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Title DCS - Ka-50 Black Shark
Publisher DCS
Version  Stand Alone   
Media  CD-R Boxed

"DCS: Black Shark" is a PC game of the Russian Ka-50 attack helicopter and is the first title in a new Eagle Dynamics and The Fighter Collection simulation series: "Digital Combat Simulator" (DCS). Following Eagle Dynamics' tradition of excellence, "DCS: Black Shark" will bring an even more realistic simulation experience than its predecessor "Flaming Cliffs". "DCS: Black Shark" will offer an unprecedented level of realism in regards to flight dynamics, instruments modeling, avionics systems, and weapon systems. The artificial Intelligence of ground vehicles and helicopters has been improved dramatically as well as weapon modeling. A new Mission Editor includes a powerful electronic mapping system that allows user to easily create missions and campaigns. A new campaign system allows the front line of the battlefield to move back and fourth according to your mission success or failure. Due to the increased flexibility of the DCS system, additional fixed-wing aircraft and helicopter add-ons will follow shortly.

Ka-50 systems modeling

The Ka-50 flight and systems model has been implemented using the following methodologies.

Helicopter Dynamics Modeling

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Forces and moments
Rigid body dynamics equations have been used to calculate the helicopter’s flight trajectory. In essence, this means that all external forces and force momentums are used to calculate a body’s position and rotation in 3-D space.

The Ka-50 airframe aerodynamic properties are derived from its sub-element parameters: fuselage, wings, tail, and landing gear. Each of these has its own position and orientation within the airframe local-coordinate system and each has their own aerodynamic characteristics. Each sub-element is calculated by independent lift-drag coefficients diagrams, damage degree influencing the lift properties, and center of gravity (CG) position and inertial characteristics. Aerodynamic forces acting on each sub-element of the airframe are calculated separately in their own coordinate system taking into account local airspeed of the sub-element.

Contacts with the ground and external objects are modeled based on rigid contact points system.

Landing Gear

Landing gear is modeled as separate gear arms, each consisting of a wheel and an asymmetric shock absorber. The nose wheel is self-orienting, based on acting external forces. Such a model allows for modeling of realistic behavior including the development of shimmy effects at high speeds. Retracting and lowering the landing gear can lead to CG repositioning. When modeling landing gear operations their kinematic properties, external and hydraulic forces are all taken into account. The result is very realistic behavior in all conditions.
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Ka-50 damages in the game

Damage model

The damage model is based on aerodynamic and rigid contact forces where applicable. Damages to airframe components, landing gear, wheels, sensors and devices are all taken into account. Any damage will affect the helicopter’s physical and functional properties and reposition the CG.

Rotor model

The Ka-50 Black Shark’s rotor model is revolutionary among helicopter simulators. It is based on a joint model of each blade with its own complex motion relative to rotor axis and flapping (horizontal) and hunting (vertical) hinges. Each blade is separated into multiple segments, each having its own air velocity vector based on its orientation, twist, and induced velocity at current rotor section. Induced velocity is calculated by solving the equations based on simultaneously application of motion quantity theorem and blade element method. All this produces natural helicopter dynamics such as conical rotor inclination in forward flight (oscillations in hover with fixed stick, cyclic stick input increasing accordingly to the airspeed), power excess after transition from hover to forward flight, ground effect (over inclined surface or close to ground objects), “vortex ring” phenomena, airflow stall from the blades, blades intersection (collision). In the case of individual blade damage, corresponding dynamics are naturally modeled as part of overall rotor model.


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Engines and power train
The Ka-50 powerplant consists of a gearbox with free-wheel clutches, two TV3-117VMA turbo-shaft engines with electronic engine governors, an auxiliary power unit and turbo-gear.

For the first time in flight simulation history, the engine model is based on detailed physics model of turbo-shaft engine as a system of separate components of the engine gas-dynamics system: engine inlet, compressor, combustion chamber, high-pressure turbine and power-turbine with engine exhaust.

The model corresponds to the real engine in all modes of operation in terms of output power, acceleration, compressor RPM, exhaust gas temperature (EGT) and fuel consumption, in relation to the ambient air temperature and pressure. Operation of bleed air valves is modeled for the compressor anti-stall system, engine’s deicing system and the dust cyclone. By reducing the airflow through the engine, these devices increase the EGT and lower the take-off power of the engine. Engine components parameters degradation is implemented in the model within the service life or in case of exceeded operation limitations of take-off and emergency power modes or power loss with EGT over-limit.

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TV3-117 engine
Compressor choking caused by intake icing is modeled so that it leads to power loss, EGT increase, compressor stall and engine flame-out. Flame-out is modeled using air-fuel ratio calculation in the combustion chamber. The engine control system, as in real life, consists of turbo-compressor (gas-generator- GG) RPM governor, power-turbine RPM governor, automatic engine start-up and acceleration devices, electronic engine governor (EEG) that limits the max EGT and monitors/limits the power-turbine RPM. Except for direct engine control, the control system incorporates start-up cycle of the APU, main engines and turbo-gear, engine and engine controls test equipment like engine false start, engine vent (crank), EEG test, rotor (power-turbine) RPM governor readjustment and many more.

The hydraulic system

The hydraulic system incorporates all of the servo boosters, accumulators, tanks, and boost pumps. As in the real system, it is subdivided into Main and Common systems, each having its own lines, pumps and consumers. In the servo booster model, the displacement of the output power rod as a function of the fluid pressure (and selector valve position) is taken into account along with external factors such as hinge moments, support reactions etc. The system pressure is determined by the charge in the accumulators as a function of the pumps delivery and loads consumption and also damage leaks.

Fuel system

Helicopter’s fuel system includes fuel tanks, fuel lines, boost pumps and valves. Fuel usage leads to change in the center of mass position within allowed operating limits. Fuel system is fully controlled from the cockpit by the pilot.
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Fuel System diagram

Electrical System

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Electrical system
The electrical system includes:
  • Main alternating current (AC) distribution system
  • Emergency alternating current (AC) distribution system
  • Direct current (DC) distribution system
  • External electrical power sources for alternating and direct current supply
The Ka-50 electrical power generation system provides AC and DC power to the primary and emergency buses and distribution assemblies. This power supply is used to run avionics systems, internal and external lighting, hydraulic, fuel systems control and monitoring, engines, and auxiliary power unit start up systems. When on the ground, an external power cart can be used as an alternate power source. In addition to onboard power generation capability, the Ka-50 also includes batteries that electrical power can be drawn from.

The Alternating Current System

The primary electrical system is fed by alternating current (AC) 115/200 V, 400 Hz generators. This supply is further divided into left and right systems on independent channels to provide system redundancy. Generator operation is dependent upon the left and right engines being active as each engine contains a gearbox that runs a generator. The left channel systems can be powered by the right generator and the right channel systems are powered by the left generator. In the event of both generators becoming inoperative, a back-up, static DC to AC inverter can take over power to the most important systems and direct current will trigger the in-flight warning system.

The Direct Current System

Systems requiring direct current (DC) power are supplied at 27V by use of AC to DC transformer-rectifiers. Transformer-rectifiers are active while the generators are in operation. If one of the transformer-rectifiers is switched off though, systems will be switched to the operating transformer-rectifier. If both transformer-rectifiers and/or generators are off-line, the most important avionics systems will be switched to emergency DC power.

Damage to the electrical generation system is also manifested in the visual damage model of the Ka-50. An event-oriented approach is implemented such that a loss in electrical power to systems will have a cascade effect. This specifically means that the loss of one electrical system will have repercussions affecting linked elements of the electrical system.

Ka-50 Avionics Systems Overview

Although a highly detailed flight manual will be provided with DCS: Black Shark, the following provides you with a small sampling of the avionics systems modeled in our simulation of the Ka-50. Piloting, navigation, targeting and defensive systems and included in this overview.

Cockpit Instruments

The Ka-50 cockpit instruments are generally traditional electro-mechanical gauges that are mounted on the front dash and side / back panels. These instruments are divided into three general groups: flight control, engine control/monitoring and systems control. Other cockpit interfaces include traditional switches, dials and multiple-position switches. Additionally, the Ka-50 has multiple banks of warnings lights and cockpit illumination controls.

Ka-50 cockpit overview
Ka-50 cockpit overview
AMMS ABRIS display
AMMS ABRIS display

Advanced Moving Map System AMMS (ABRIS)

The ABRIS panel is a multi-function display that allows the pilot to perform the following tasks:
  • Programming, editing and saving of waypoints, runways, radio beacons, target locations and the ability to study terrain along the flight route, etc.;
  • Ability to alter flight plan during mission;
  • Real-time determination of helicopter position coordinates by using of built in navigational satellite system sensor (GPS/GLONASS); display of the helicopter position on the electronic moving map display; ability to cycle map scale; check cross-track error and the other necessary navigation information;
  • Display of aeronautical information and flight plan required for the navigation during all stages of a mission;
  • Reception of information from the autonomous pressure altitude sensors and necessary processing of pressure altitude for the needs of the built-in satellite navigation system sensor;
  • Reception and processing of information from the other avionics systems such as the “Rubicon” targeting-navigation system and data-link equipment.
  • Indicating the position of wingmen using data-link as well as targeting line of sight vector from “Shkval” targeting system.
  • Annotate moving map with text and symbols.

“Rubicon” Targeting-Navigation System

The targeting-navigation system is designed to integrate combat, navigation and flight tasks by processing both digital and analog information. “Rubicon” is integrated with the “Shkval” targeting system, airborne information display system and weapon control system.
Data entry panel of Rubicon
Data entry panel of Rubicon

“Radian” Navigation System

“Radian” is a sub-system of “Rubicon” that helps automate flight navigation. “Radian” can store information in its memory such as coordinates for two airfields, six waypoints of a flight plan, ten operative targets, and four reference points.

I-251 “Shkval” System

The “Shkval” system consists of a television camera combined with a laser range-finder and laser illumination designator to guide the anti-tank missile system.

The “Shkval” system can be ground-stabilizing and is capable of auto-tracking a designated target. There are two Fields Of View (FOV) levels: Wide FOV with a 6x magnification and narrow FOV with a 22x magnification. FOV gimbal suspension limits are: ±35° in azimuth and +15° to -80° in elevation.

The video picture is shown as a gray-scale image on the IT-23VM TV monitor.

The “Shkval” can be set to scan for targets automatically and the angular rate of scan can be manually be set by the pilot while in the cockpit.

To slew the “Shkval” camera, the pilot uses a small mini-stick on the helicopter cyclic.
Targeting complex “Shkval”
Targeting complex “Shkval”
The IT-23 video indicator of “Shkval” system
The IT-23 video indicator of “Shkval” system

“Ranet” Information Display System

The “Ranet” information display system is designed for processing and displaying flight, navigation and targeting information on the heads-up display and the IT-23 video indicator.

Head-up display (HUD) ILS-31

The head-up display (HUD) is modeled as a collimator optical device with focus set to infinity. This allows the pilot to look outside the cockpit through the HUD while still being able to read the symbols displayed on it.

Flight, navigation and targeting information is displayed on the HUD which is received from the “Ranet” information display system.
HUD and IT-23 with the “Ranet” information of display system
HUD and IT-23 with the “Ranet” information of display system

Helmet-Mounted Sight (HMS)

The HMS system is designed to hand-off targeting information to the “Shkval” system. The angular coordinates from the HMS, as determined by the pilot’s line of sight, are transmitting to the “Shkval” targeting system for cueing.

The field of view limits are ±60° in azimuth and from -20° to +45° in elevation.

HMS pointer
HMS pointer

OVN-1 Night Vision Goggles

Night vision goggles (NVG) are included to allow the pilot to navigate in dark / low-light conditions.

Outside cockpit view through night vision goggles
Outside cockpit view through night vision goggles


The autopilot system is integrated with the targeting and navigation systems and it produces control input for automatic flight system for deviation of the helicopter from the assigned attitude and altitude.
Autopilot control panel
Autopilot control panel

Inertial Navigation System

The Ts-061 inertial navigation system includes a gyro-platform and three accelerometers, designed for the determination of the flight direction and the attitude of the helicopter. The system also measures accelerations to calculate inertial speed and position of the helicopter.

Air Data System

The air data system is designed to receive input from various instruments, process these inputs and then present them to the pilot.

Doppler Navigation System

The doppler navigation system is used to determine the speed and angle of drift of the helicopter.

Data-link Equipment

The data-link system allows exchange of up to 16 targets and reference points between helicopters. The automatic exchange of ownship coordinates is updated between the four aircraft of a flight. This data-link information is displayed on the ABRIS.

Data-link control panel
Data-link control panel

L-140 “Otklik” Laser Warning Receiver

The laser warning receiver detects combat range-finders and laser designators. If the helicopter is lased, an indication of the type of laser is provided and the location quadrant that the laser is being detected from.

Laser warning indicator
Laser warning indicator

Countermeasures Equipment

The countermeasures dispensers are located on the wing tips.

For the programming of countermeasure dispensers, the UV-26 control panel is used. Depending on the type of threat, the pilot can set the appropriate dispenser program for expending chaff and/or flares. The pilot can determine the number of flares to dispense in the volley, the time between each flare, and the time between volleys. Using the control panel it is possible to select with dispenser to use (left or right) and when to start or stop the dispensing program.
Original appearance of countermeasure dispensers
Original appearance of countermeasure dispensers
UV-26 dispensers control panel
UV-26 dispensers control panel

UHF Radio R-800

The R-800 UHF radio allows the pilot to communicate with the control tower and other aircraft. The R-800 is also used to send and receive encrypted data link information.
R-800 panel (in center)
R-800 panel (in center)

Automatic Direction Finder (ADF) ARK-22

The ADF provides navigation using NDB (non directional beacon) or broadcasting radio stations. It can also monitor ground radio stations in the MW band.
ADF panel (in center)
ADF panel (in center)

Artificial Intelligence (AI) Aircraft

The primary innovation regarding AI aircraft in “Black Shark” is the inclusion of a new and improved Flight Model (FM) system. In previous Eagle Dynamics products such as Lock On, the AI-aircraft FM did not reach a high-level of realism. For example: animations were sometimes used to supplement flight dynamics equations; this would in turn lead to unrealistic flight behavior in certain situations like high angles of attack and departures. This absence of detailed angle of attack modeling and the influence of cross wind led to problems when AI aircraft attempting to land in a cross-wind.

C-130 cross-wind landing
C-130 cross-wind landing
For “Black Shark”, the same Standard Flight Model (SFM) will be used for AI-controlled aircraft that was used for player-controlled aircraft in “Lock On”. This improved FM will provide much more realistic AI flight performance. Only the Advanced Flight Model (AFM) featured in the Su-25T of “Lock On: Flaming Cliffs” game ( is superior.

When using the SFM, the equations to derive aircraft motion take into account the unique inertial and aerodynamic characteristics of the aircraft. The engine model uses the factors of thrust and fuel-burn rate to further determine aircraft speed and altitude. These calculations allow the SFM to model realistic flight characteristics of aircraft (acceleration, rate of climb, maximum altitude, maximum and minimum speed, turn radius, instantaneous and sustained turn rates, range and flight duration). When converting the “Black Shark” AI aircraft to the SFM standard, it was necessary to modify more than 50 aircraft!

With this advancement in AI aircraft flight dynamics, it is now possible for the AI to conduct more advanced flight maneuvers and combat tactics:
  • The AI can now initiate climbs and descents at optimum airspeed by using automatic calculations
  • Improvements to the level of mechanical control input in relation to airspeed
  • AI aircraft are now able to perform cross-wind landings and takeoffs from runways and aircraft carriers
  • AI aircraft now stay in formation in a more realistic manner
  • AI aircraft now use more realistic means to jink and maneuver against threats
  • Realistic speed limitations have been implemented
  • AI aircraft now return to base in a more realistic manner when low on fuel
  • Maneuvering in within visual range combat has been improved
  • AI aircraft have better avoidance skills when attached from behind
  • AI aircraft have improved accuracy when attacking with cannon and rockets
These improvements also lead to more realistic combat between the player and AI aircraft.

Ground Vehicles, Ships and Weapons

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SA-6 missile
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Ground vehicles, ships and weapons such as bombs, rockets, missiles and cannons have been significantly improved in “Black Shark”. Improvements include:
  • The stable of active ground vehicles available from the mission editor has been greatly expanded. These new models include new vehicle types as well as substantial improvements to existing vehicles from “Flaming Cliffs”. The level or 3D object detail, textures and animations have been radically improved in comparison with “Flaming Cliffs”.
  • Each ground vehicle can now use multiple types of weapons simultaneously. For example: a tank can now engage other ground vehicles with its main gun while at the same time engaging aircraft and infantry with heavy and light machine guns. This results in a much more realistic engagement process for ground vehicles.
  • The ballistic algorithms for cannons and guns have been radically improved to include full physics modeling. Flight of such projectiles is now very realistic.
  • Groups or ground vehicles now use much more advanced algorithms to determine how the group will distribute its fire power, alter its movement, and change its formation to best react to a target/threat. This has led to much more realistic ground battles in which units behave with intelligence.
  • The simulation algorithms of ground vehicles, ships and weapons had been improved to provide a significant system performance improvement. This allows users to place many detailed units in a mission without a large system performance penalty.
  • All vehicles now include several Level Of Detail (LOD) and also help assist in system performance.
  • Leg infantry units are now included.

AI Helicopters Flight Model

The flight dynamic model of AI helicopters (hereinafter referred to as the “AI model”) in “DCS : Black Shark” is a simplified version of the “advanced model”, used for human-controlled helicopters. However, it is still based on the same equations of calculating realistic motion. The standard model provides realistic trajectories of motion and effects of control inputs during maneuvers.

The primary feature of AI model is an approximation of forces that are applied to the rigid body of a helicopter. With the AI model, aerodynamics forces on the chassis and forces from the rotors are calculated by using the same algorithms as in the advanced model with some simplifications to reduce unnecessary calculations. For example: the standard model rotor model calculates the inductive speed and the thrust in same manner as the advanced model but with a reduced number of calculated segments taken into account. The flap motion of blades and lift vector of the rotor are calculated using current flight parameters and control inputs.

The aerodynamic portion of the AI model includes a dynamic calculation of the fuselage as a source of aerodynamic drag and as an empennage that provides the flight stability. Every AI helicopter in the DCS series has its own unique set of empennages and fuselage air flow properties.

AI Helicopter AH-64A in action
AI Helicopter AH-64A in action
The AI model includes a power plant that is composed of engine(s) and a system that automatically maintains constant engine RPM. A fuel governor controls the engine power in relation to collective input and the difference between most efficient and current-setting rotor rpm. Maximum available power at any given air pressure, altitude and temperature is calculated by stored tables derived from the advanced engine model or from available manufacturers’ data. The engine dynamic properties are modeled with engine power lag. The gas generator rotor RPM is set according to actual engine power.

As in the advanced model, the AI helicopters can use tricycle landing gear that is composed of wheels, a compression strut and a nonsymmetrical shock absorber.

The modeling of a unique fuselage and empennages that comprise an AI helicopter provide realistic flight properties when a helicopter is damaged. This is done by removing destroyed aircraft elements from the aerodynamic calculations. Tail rotor, stub-wings, parts of the main rotor (rotors), etc can be lost.

Even though controlled by the computer, the AI must still control the helicopter by inputs to the rudder pedals, cyclic and collective. The AI control algorithms take into account the flight limitations for each type of helicopter.

Black Shark World

“DCS: Black Shark” operations will be based in the western Caucus region and will include portions of Russia, Georgia and a small part of Turkey. With Russia, special attention is paid to the Krasnodarskiy, Karachayrvo-Cherkesiya, Kabardino-Balkariya and Stavropol’skey regions. Some of this area will be recognizable from “Flaming Cliffs”, but “DCS: Black Shark” has added a considerable new amount of terrain, particularly much of Georgia. The “DCS: Black Shark” map is approximately 330,000 sq. km of ground and sea area.

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Blue dots represent new airbases

The map includes a wide array of topography that includes plains, agriculture fields, forests, hills, mountains, streams, rivers, lakes and seas.

The detail of the terrain height map has been increased in “DCS: Black Shark” in order to provide a more realistic height field to fly over in a helicopter at low altitude. Given the nature of attack helicopter operations, having a detailed height map was a must-have. Large portions of the “DCS: Black Shark” terrain height elevation matrix contain twice the number of triangles that were used to create the “Flaming Cliffs” terrain.

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Two examples of increased terrain mesh detail. To the left is the area between Tuapse and Sochi and to the right is an example of the Batumi region.

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The terrain elevation matrix is particularly detailed in the Mineralnye Vody area of the map. The left image above shows the elevation matrix from the same height as the previous images. The right image above shows the center of the area but at twice the scale (zoomed in). Note that the mesh is still looking very detailed.

In addition to a finer terrain height mesh, we have also increased the resolution of the terrain textures for population centers, agricultural fields, and airbases. The other texture areas have been modified to more accurately conform to the terrain height matrix. The below images compare the same region in “Flaming Cliffs” and “DCS: Black Shark”. The combination of the more detailed height map and the high-resolution ground textures provide for a much more detailed terrain environment to fly and fight over.

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Examples of normal terrain mesh and textures on left and improved terrain mesh and improved textures on the right

With the expanded terrain, we have also added numerous towns, cities, roads, rail lines, power lines, forests, rivers, streams and many other features to populate the world. In regards to both the new and existing terrain from “Flaming Cliffs”, we have increased the detail and object / road density. Many of the buildings will also receive a face-lift with upgraded detail.

To support air operations in the new areas, “DCS: Black Shark” has added six new airfields, two in Russian and four in Georgia. These new air bases are represented by the light-blue dots in the image at the beginning of this section.

To give the small streams a more natural look, “DCS: Black Shark” will include animation to the water texture. The below images compare streams in “Flaming Cliffs” and “DCS: Black Shark”.

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Static example of river on at the top and animated river below

Radio Navigation and Physics Modeling

DCS: Black Shark features an authentic model of radio navigation equipment. The DCS world includes various radio navigation aids available in the theater of operations modeled in the simulation, including:
  • Non-Directional Beacon (NDB)
  • Airfield Outer Locator NDB
  • Airfield Inner Locator NDB
  • NDB Marker
  • Broadcasting station
Although not used by the Ka-50, the simulation code supports various other types of radio navaids for future flyable aircraft, theatres of operation and campaign scenarios, including:
  • RSBN
  • VOR
  • DME
  • ILS
  • ILS Marker

The DCS Ka-50 model includes the following radio equipment:
  • ARK-22 Automatic Direction Finder (ADF)
  • Beacon ID Receiver
  • R-800L1 UHF radio
  • R-828 UHF radio
  • SPU-9 intercom
  • ABRIS Advanced Moving Map System (AMMS)
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Outer Locator NDB
In general, airfields are equipped with outer and inner NDB locator beacons for each end of every runway at 4000 m. and 1300 m. respectively. Some airfields are configured differently according to local conditions, such as sea or mountain proximity. Each beacon in the simulation is assigned its realistic frequency in the 150-1750 kHz range and Morse code ID. Additionally, each NDB locator beacon includes a co-located marker beacon operating at 75 mHz. The map also includes realistically placed independent NDBs with individual frequencies and IDs.

To conduct radio navigation, the Ka-50 pilot can use the ARK-22 ADF and the ABRIS AMMS.

The ARK-22 ADF controls the Radio Magnetic Indicator (RMI) needle on the Horizontal Situation Indicator (HSI), pointing it in the direction of the transmitting signal. Using the ADF, the pilot can select one of eight preset channels, each of which stores two radio frequencies. Upon reaching the transmitter of the currently selected frequency, the ADF automatically begins homing on the second and vice versa. Alternatively, the pilot can manually select which of the two frequencies on the selected channel to home on. For example, the first frequency in a given ADF channel may be set to home on the airfield outer locator beacon and the second on the inner locator beacon, etc. The pilot can verify selection of the correct beacon by configuring the ADF to provide an audio transmission of the beacon’s ID. While in real life the frequencies for each ADF channel are set by ground personnel, the DCS player can edit these in the ADF configuration files outside the simulation.
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The ARK-22 ADF can also be slaved to the R-800L1 UHF radio. In this case, the RMI needle on the HSI is directed toward the transmitter on the frequency currently selected for the R-800L1 radio. For example, the flight leader can maintain bearing to his wingman when the wingman is transmitting a radio call. The R-800L1 radio can also be used to tune the ADF to any broadcasting station, such as the commercial “Radio Mayak” in Maykop city. The DCS player can load audio files into specially assigned folders to be played when he tunes the radio to the frequency and modulation setting of the broadcasting station.

Using the ABRIS AMMS, the pilot can select any radio station in the database to guide to or obtain more information on, including its code and ID. Using the ABRIS Options page, the player can assign the ABRIS RMI 1 and/or 2 needles on the ARC and HSI pages to display the radio beacon azimuth.

The SPU-9 intercom system provides audio and microphone transmission for the pilot. It can be set to UHF1 (R-828), UHF2 (R-800L1), KV (ADF and Marker Beacon), and NOP (ground link).

The R-828 radio is used for communication with combat ground units and is not part of the navigation equipment.

DCS: Black Shark features an expanded ground personnel and airfield tower radio communications menu. Having provided power to and properly configured the radios, the player can communicate with the ground crew to request payload changes, fuel loads, sighting devices (HMS or NVG), electric power to the aircraft, etc. The player can communicate with the tower to request permission for engine start, taxi, test hover, etc.
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The DCS radio physics model calculates every transmission in real time and determines the local signal strength according to numerous variables, including time of day (ionosphere effect), surface type (rough terrain, paved surface, water, etc.), distance to transmitter, transmitter power, etc. Because radio traffic is carried “live,” reception can be interrupted at any point by either natural or artificial interference, such as terrain topology or radio configuration. For example, if the player changes his radio frequency, reception will cease, but can resume at its actual point upon reconfiguring the radio back to the transmitter’s frequency. AI units react to radio calls only if transmission is successful.

The frequency configuration files allow the DCS player to configure the various frequencies used by in-game units, including own flight, tower, AWACS, etc.


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The Ka-50 hydraulic system is used to provide hydraulic power to various helicopter systems. This consists of two subsystems:

  • The main hydraulic system supplies the flight control servo actuators for pitch, bank, yaw and collective. In case of a common system failure, it also ensures emergency landing gear extension.
  • The common system supplies the landing gear extend/retract system, the main wheels brakes and cannon steering. In case of a main system failure, it supplies the flight control servo actuators.

Each system consists of a hydraulic pump, a hydraulic fluid tank, filters, valves, pipes and control elements. The pressure source for both systems is provided by variable displacement pumps. The main system’s pump is mounted on the left accessory gearbox of the main gearbox, and it operates when the rotors are driven by the engines and also when in autorotation. The common sy

This product was added to our catalog on Tuesday 31 March, 2009.
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