REAR AUXILIARY PANEL

This panel is located on the back wall of the cockpit, to the pilot's right side. Like the onboard equipment control panel, this panel also has a wide assortment of controls.

2-62: Rear auxiliary panel

1. Deicing control panel.

2. Engine indicators control panel.

3. Ejection system BIT panel.

4. “АВСК” Intercommunication and Radio Commutation system BIT panel.

5. Voice message unit system ("Betty") BIT.

6. EKRAN warning system Built-In Test (BIT) controls.

7. Hydraulic temperature and pressure indicators.

8. PPK-800 systems preparation and check panel.

9. L-410 laser warning system, weapon system, and UV-26 countermeasure system controls.

10. Electrical system control panel.

11. Equipment bays lighting switch.

12. Lighting brightness control panel.

Ice Defrosting Control Panel

2-63: Ice defrosting control panel

1. Heating system BIT button. No function.

2. Heating system intact indicator.

3. Ice detected.

Engines Control Instruments Panel

2-64: Engines’ control instruments panel

1. "РТ-12-6 ЛЕВ" left EGT governor button. [G + RALT + RSHIFT]

2. "РТ-12-6 ПРАВ" right EGT governor button. [G + RCTRL + RSHIFT]

3. "ИВ" engines vibrations monitoring system control button. No function. [V + RALT + RCTRL + RSHIFT]

“РТ-12-6 ЛЕВ” and “РТ-12-6 ПРАВ” buttons decrease the control threshold of the EGT governors to check the serviceability of the EEG. When either of these buttons are pressed, the GG contour of the EEG disengages. If the EGT is no less than 850°С and

GG RPM is no less than 87%, then the EGT decreases by 30°С or more and the GG RPM decreases to 84% of the maximum value.

Automatic Ejection System BIT Panel

2-65: Automatic ejection system BIT panel

1. Ejecting system check lamp.

2. Circuit test button. This is a circuit test of the egress system. Perform this test after the three egress switches on the wall panel have been armed. You may further set the egress mode dial to each position and press the circuit test (with the exception of the ИСХОД position. [E + RCTRL + RSHIFT]

3. ИСХОД – ПИТАНИЕ – ОТДЕЛЕНИЕ ЛОПАСТЕЙ – egress mode: manual, assisted, or full ejection with rotor blade separation.

Intercom Check Panel

Intercom check panel serves for conducting pre-flight intercom SPU-9 and video tape recorder checks.

2-66: Intercom check panel

1. Tape recorder on/off indicator. No function.

2. Tape recorder ground check switch. No function.

EKRAN and Voice Warning System Control

2-67: EKRAN Warning System and ALMAZ Voice Message Unit ("Betty") BIT controls

1. “ПРОВЕРКА РЕЧЬ” (ALMAZ Voice message ("Betty") system BIT) button. Pressing this button will run a built in test (BIT) of the EKRAN system. If the test passes, you will receive an affirmative voice message. [V + RALT + RCTRL]

2. EKRAN ground control button. No function.

3. EKRAN revert to flight control button. No function.

4. Equipment bays lighting switch. No function.

Hydraulic Temperature and Pressure Indicators

2-68: Hydraulic Temperature and Pressure Indicators

This set of indicators monitor the hydraulic pressure to the aircraft‟s sub-systems and the state of the hydraulic systems.

1. “КЛАПАН I ГИДРО” (Hydraulic valve #1) lamp. When the main hydraulic switch on the right console is set to on, the right hydraulic valve will open and this lamp will light.

2. “КЛАПАН II ГИДРО” (Hydraulic valve #2) lamp. When the main hydraulic switch on the right console is set to on, the right hydraulic valve will open and this lamp will light.

3. “ДАВЛЕНИЕ ОБЩ” (Common pressure) hydraulic pressure indicator.

4. “ДАВЛЕНИЕ ОСН” (Main pressure) hydraulic pressure indicator.

5. “ДАВЛЕНИЕ АКК” (Accumulators pressure) hydraulic pressure indicator.

6. “ДАВЛЕНИЕ ТОРМОЗ КОЛЕС” (Wheel brakes pressure) hydraulic pressure indicator.

7. “ТЕМПЕР ОБЩ” (Common temperature) common hydraulic temperature indicator.

8. “ТЕМПЕР ОСН” (Main temperature) main hydraulic temperature indicator. Please refer to the hydraulics section of this manual for greater detail.

PPK-800 Systems Preparation and Check Panel

2-69: System preparation and check panel

Located mid-way down the back right panel, the PPK-800 panel provides additional weapon and navigation controls. These include:

1. Computer malfunction lights. There are five lights that illuminate in regards to a computer malfunction:

o “ЦВМ-Б” (combat computer)

o “ЦВМ-Н” (navigation computer)

o “ЦВМ-И” (indication computer)

o “ЦВМ-Ц” (data link computer)

o “УВВ” (input-output device). No function.

2. “ББ/ТЗ” selector. Outside temperature setting for anti-tank guided missile (ATGM) flight control system pre-launch adjustments. No function.

3. “НР/АКС” selector. Unguided rocket and gun pods ballistics data settings.

o 0 – S-8KOM rockets with anti-tank/antipersonnel warhead

o 1 – S-8TsM rockets with smoke warhead

o 2 – S-13 rockets

o 3 – S-24 heavy rockets. Not used

o 4 – S-25 heavy rockets. Not used

o 5 – UPK-23 gun pods, twin 23mm

The ballistic data is used for impact point calculation. The selector position must match the selected weapon; if not, the impact point will not be calculated correctly. At the start of a mission, the rocket selector switch will be automatically set to comply with selected rockets from the mission planner. If more than one rocket type is selected, the selector will set first rockets by hard point number (outer on the left wing is #1 and outer on the right wing is #4). Before a second rocket type is used, you must select the dial position manually for the rocket type of gun pod. The same operation must be done after rearming the helicopter during a mission.

4. “РНП” selector. Weapon control BIT mode selector. No function.

5. “К-ЦВМ – ОТКЛ” switch. Computer BIT. No function.

6. “ИКВ – ОТКЛ” (INU – OFF) switch. Inertial Navigation Unit (INU) power. INU starts alignment procedure automatically upon power on [I + RCTRL + RALT].

7. “ОБОГРЕВ ИКВ – ОТКЛ” (INU heater – OFF) switch. This switch is turned on prior to Inertial Navigation Unit (INU) alignment and must be enabled during INU operation [I + RSHIFT + RALT].

8. “АКС” button. Weapon control system BIT. No function.

9. “Вн.К – ОТКЛ” switch. No function.

10. “ТРОС – ОТКЛ” (Stabilization of sling load suspension cable - Off) switch. No function.

11. “ФКП – ОТКЛ” (HUD video recorder – Off). No function.

LWS, WS and CMS Power and Test Panel

2-70: Laser warning system

L-140, weapon system and UV-26 countermeasures system control equipment panel This panel is the power and test panel for the laser warning system (LWS), weapon system (WS), and counter measures system (CMS).

1. “Л-140 – ОТКЛ” (LWS power – OFF) switch. Setting this switch to the up position provides power to the LWS system. Once power is provided, you may perform a self-test and use the LWR panel. [N + LCTRL]

2. “Л-140 ИСПР” (LWS operation) lamp. After the LWS has been provided power and the system has fully powered up after approximately 30 seconds, this green indicator lamp will come on. If you perform an LWS self-test, the lamp will shut off for approximately 30 seconds while the test is performed.

3. “Л-140 КОНТР” (LWS self-test) button. Pressing this button while the LWS is powered will initiate a 30 second self-test. During this time, the operation lamp will be off to indicate that the LSW is offline. [N + LALT + LCTRL].

4. “ВСК-СУО” (Weapon system built-in test) indicator. No function.

5. “ВСК-СУО – ОТКЛ” (Weapon system built-in test) switch. No function.

6. “УВ-26 ВКЛ – ОТКЛ” (Countermeasures system power) switch [C + LCTRL + LSHIFT] and cover. [C + LALT + LSHIFT] Placing this switch in the up position will provide power to the UV-26 system and the control panel over the front dash will be operational.

7. “УВ-26 КОНТР – ОТКЛ” (Countermeasures system self-test) switch [C + LALT + LCTRL] and cover. [C + LALT + LCTRL + LSHIFT] Setting this switch to on will place the UV-26 in a self test mode as long as the switch is in the up position. If the system is operating normally, the UV-26 will display a “990” status code.

Electrical System Control Panel

2-71: Electrical System Control panel

1. Amp meter. No function.

2. Volt meter. No function.

3. DC volt meter electric distribution assembly selection. No function.

4. Alternate current ammeter phase selector. No function.

5. AC voltmeter electric distribution assembly selection. No function.

6. Rear panel lighting brightness knob. By rotating this knob, you can control the brightness of the rear panel illumination. Increase [U + LSHIFT + LCTRL + LALT] and decrease [U + LSHIFT + LCTRL + RALT].

7. “ПОДСВЕТ ПУЛЬТ КОНТРОЛЯ – ОТКЛ” (Panel lighting – Off) switch. Place this switch in the up position to turn on rear panel switch and indicator illumination. [L + RALT + RShift]

8. “ВМГ ГИДРО ЭКРАН – ОТКЛ” (Hydraulics/transmission group and EKRAN power supply) switch [N + LCTRL + LSHIFT] and cover. [N + LALT + LCTRL + LSHIFT] Provides power to EKRAN Warning System, hydraulics, and transmission group control sensors.

9. Circuit breakers. No function.

Lighting Brightness Control Panel

2-72: Lighting brightness control panel

1. "ПРИБОРЫ" Blue cockpit lighting brightness for night operations. Rotating this knob allows you to adjust the brightness level of the blue cockpit lighting. Increase [K + LCTRL + LALT] and decrease [K + LSHIFT + LCTRL].

2. "ПУЛЬТЫ АГР ПКП" SAI/ADI brightness regulator. Increase [J + LCTRL + LALT] and decrease [J + LSHIFT + LCTRL].

3. "ПУЛЬТЫ ЛЕВ. ПРАВ" Left/right panels brightness regulator. Increase [L + LCTRL + LALT] and decrease [L + LSHIFT + LCTRL].