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RCM Knowledge Base > AW139 Specifications & ESC > Flashcards

AW139 Specifications & ESC Flashcards

1
Q

What is the MTOW of the AW139?

A

6800kg

14991 lbs

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2
Q

What is the max range of the AW139?

A

1250km

776nm

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3
Q

What is the max speed of the AW139?

A

167 KIAS

310km/h

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4
Q

What is the rotor diameter of the AW139?

A

13.8m

45.27ft

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5
Q

What is the fuel capacity of the AW139?

A

4586lbs (4600lbs)

2080L

1650kg

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6
Q

What is the max load on the cargo hook of the AW139?

A

2200kg

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7
Q

What is the endurance of the AW139?

A

5hrs, 56min

(6hrs)

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8
Q

What is the intensity of the NightSun installed on AW139 RQZ?

A

30 Million Candela

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9
Q

What is the overall length of the AW139?

A

16.62m

54.55ft

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10
Q

What is the overall height of the AW139?

A

4.98m

16.36 ft

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11
Q

What is the cabin length of the AW139?

A

2.7m

8.86ft

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12
Q

What is the cabin height of the AW139?

A

3.5m

11.48ft

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13
Q

What is the cabin width of the AW139?

A

1.42m

4.66ft

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14
Q

What is the cabin door height of the AW139?

A

1.35m

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15
Q

What is the cabin door width of the AW139?

A

1.68m

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16
Q

What is the engine(s) of the AW139?

A

Twin Turbo Pratt & Whitney PT6c-67c Turboshaft Engines w/ 1679 SHP

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17
Q

What is the max airspeed landing gear can operate at on the AW139?

A

150 KIAS

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18
Q

What is the max airspeed for rotor brake application on the AW139?

A

40 Kts

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19
Q

What is the max ground speed for taxi of the AW139 on a paved surface?

A

60 kts

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20
Q

What is the max ground speed for taxi of the AW139 on a paved surface?

A

60 kts

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21
Q

What is the max ground speed for taxi of the AW139 on a grassed surface?

A

40 kts

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22
Q

What is the max load height permissible in the cargo compartment (boot) of the AW139?

A

600mm

Or

350mm in RQ models due to auxiliary fuel tank

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23
Q

What is the maximum angle and the maximum time period an AW139 can be parked on a slope?

A

Max AoB - 10 degrees

Max time of 1hr

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24
Q

What is the normal operating range for RRPM on the AW139?

A

98 - 101%

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25
Q

What is the voltage of the Main & Essential Bus during normal operation on the AW139?

A

22V

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26
Q

What is the maximum continuous Inter-Turbine Temp (ITT) (AEO) permissible on the AW139?

A

735 degrees C

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27
Q

What is the normal operating range for the Main Gearbox temp for the AW139?

A

1 - 110 degrees C

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28
Q

How long does the Emergency Lighting System last for in continuous operation after a full charge?

A

15 minutes

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29
Q

How long does it take to charge the Emergency Lighting System?

A

4 hours

30
Q

Can the aircraft fly if the Emergency Lighting System is faulty?

A

No

31
Q

How is the Emergency Lighting System operated/ activated?

A

Controlled via switch on Cabin Light Control Panel or via switch on LHS cabin wall. Cabin Switch ON = emergency lights ON regardless of cockpit switch position

32
Q

How many fire extinguishers are located on the AW139, what type are they?

A

2 x BCF Halogen fire extinguishers, one located behind PIC seat (or in pedestal hold), and one located next to far left pax seat.

33
Q

Should the aircraft be ventilated after use of the fire extinguishers, and if so, why?

A

BCF Halogen is toxic in a confined space as it depletes oxygen from the atmopshere. The aircraft should be ventilated immediately AFTER use.

34
Q

What is the transponder squak code for a hijacking?

A

7500

35
Q

What is the squak code for an emergency situation/ mayday/ distress?

A

7700

36
Q

What is the transponder squak code for radio failure?

A

7600

37
Q

What are the international emergency frequencies?

A

121.5 MHz

243 MHZ

406.025 MHz

Marine Channel 16 (156.8MHz)

38
Q

What is a distress call and what information should it include?

A

Notify ATC and traffic that aircraft and occupants are in imminent danger

MAYDAY x 3,
Aircraft Callsign x 3,
Aircraft type,
Position and time,
Heading, airspeed, altitude,
No# occupants
Nature of distress,
PIC intentions,

39
Q

What are the parameters for use of immersion suits?

A

Ambient Air Temp < 10C
Water Temp < 15C
Combined Temp < 31C

Wind chill should be taken into account

40
Q

What life-rafts are equipped on the AW139, what is their capacity, and how are they deployed?

A

2 x RFD life-rafts fitted in the forward portion of each sponson.

11 pax w/ 17 pax overflow

Can be manually deployed by pulling one of the two handles.

The primary handle for each life-raft is located on the forward cockpit door frame on either pilot side.

The secondary handle is located on the forward end of each sponson.

Each life-raft takes 30sec to inflate and be ready for boarding.

Each life-raft consists of a 1.7m short- and long-painter line. The short painter should be cut immediately after boarding.

Reversible.

Can be erected with canopy.

Sea-anchor, 2 x boarding ramps, water-activated lights.

May have a Jotron 9Ghz SART on board.

41
Q

Name at least 6 items found inside the Survival pack of each life-raft

A

1 x Immediate action card
1 x survival flip card
1 x water pack (50ml rations)
3 x leak stoppers (various sizes)
1 x drinking cup
1 x 6 pint baler
1 x sponge
1 x first aid kit
1 x sea sickness tablets
1 x torch and batteries
1 x heliograph
1 x mini flare MK8
1 x hand warmer pack
1 x body warmer pack
2 x survival bags (Ascotherm)
2 x cyalume sticks
4 x day/night flares
1 x Techtest PLB
2 x whistle
1 x sea marker dye
1 x rescue line and quoit
1 x reverse osmosis pump

42
Q

Name at least 6 items found inside the first aid kit of each life-raft

A

1 x first aid guide
1 x large wound dressing
1 x medium wound dressing
2 x triangular bandages
3 x gauze
1 x packet bandaids
1 x scissors

43
Q

What PLB is the life-raft equipped with and how does it operate?

A

Techtest 500-12Y PLB which transmits on 121.5 MHz, 243 MHz and 406.025 MHz.

The 406.025 MHz transmission includes the beacon unique Cospas-Sarsat ID code lasting 24hrs, and transmits a signal every 52.5 seconds from activation.

121.5 MHz and 243 MHz signal last for 48hrs.

To turn on, slide the ON-OFF-TEST switch to “ON”, deploy and extend the telescopic antenna.

The PLB has transceiver capability with a push-to-talk function.

43
Q

Are the cockpit and cabin doors jettisonable?

A

No

44
Q

Are the cockpit and cabin windows jettisonable?

A

Yes - Type 4

45
Q

What is the process for jettisoning the cockpit windows?

A

Pull down on the red strap bolted to the lower front edge of the perspex window. Continue pulling around the edge of the entire window to remove the seal. The window will detach and fall inwards. Eject the window through the opening.

46
Q

What is the process for jettisoning the cabin windows?

A

Pull on red tab to remove sealing cord and then push window out at bottom corners.

47
Q

What flotation system is the AW139 fitted with?

A

Comprised of 4 x helium-filled flotation bags, two x mounted on either side of lower nose section and 2 x mounted on either side of the lower aft central section (behind sponsons).

The floats provide landing capability and buoyancy up to sea state 6.

Floats are automatically deployed upon ditching via water sensors so long as at least 2/4 sensors are activated.

Alternatively, floats can be manually activated via either pilot collective guarded switch.

For either automatic or manual activation, the switch on the float control panel on the centre console must be set to ‘“ARMED”.

48
Q

What is the Helicopter Emergency Exit Lighting (HEELS) System?

A

The HEELS System assists passengers and crew to locate their nearest emergency exit in the event of a helicopter ditching.

The HEELS System is an independently powered, automatically operated lighting system consisting of five luminescent strips bordering each jettisonable cockpit and cabin window.

The HEELS System is activated via water sensors.

49
Q

What type(s) of ELT(s) is the AW139 equipped with?

A

Fixed Artex C406 ELT - located in tailboom of aircraft

Jotron 9 GHz SAR Transponder (SART) (located in life-rafts)

Techtest 503 Crash Position Indicator (CPI) - located inside a round orange housing mounted to port side of tail boom

50
Q

How does the Fixed Artex C406 ELT operate?

A

Unit located in tail boom of aircraft.

Transmits on 121.5 MHz, 243 MHz and 406.025 MHz (Cospas-Sarsat Compatible format with GPS location and aircraft ID).

Normally activated via 12g six-axis g-switch.

Manual activation via cockpit ELT switch.

51
Q

How does the automatically-deployable Techtest 503 CPI operate?

A

Transmits a continuous signal on 121.5 MHz for 48hrs and on 406.025 MHz for 24hrs in the Cospas-Sarsat capatible format with aircraft ID and GPS location.

CPI activated and deployed automatically via a G-switch (accelerometer) and hydrostatic switch (water activation sensors).

CPI activated and deployed manually from cockpit control panel - Transmit, TEST/RESET, Deploy.

52
Q

At a minimum, what should a passenger safety briefing consist of?

A

Aircraft hazards - main & tail rotor blades, pitot tubes, skids, steps, engine intakes, engine exhausts, rotor downwash
Location and operation of seat belts
Location of first aid kit(s)
Location of fire extinguishers
Location of ELTs
Main door operation
Location and operation of emergency exits
Location and operation of life-jackets
Location and operation of life-rafts
Location of survival equipment
Brace position before impact
Methods of egress in an event of a rollover
Safest direction to evacuate
Restrictions on smoking
Use of personal electronic equipment
Stowage of loose articles
Radio silence during pilot ATC/ ext comms

53
Q

With regards to winching operations. what hand signal should the RCM perform if they want to be returned to the aircraft?

A

Both arms move across the body in a horizontal sweeping fashion

54
Q

With regards to winching operations, what hand signal should the RCM perform to abort the task?

A

A cross formed by the forearms

55
Q

Whats it the process for evacuation onto land following a forced landing?

A
  1. Perform emergency shutdown,
  2. Activate and deploy ELT/CPI,
  3. Evacuate via emergency exits or utilise cockpit and cabin doors where safe to do suo. If fire is present, evacuate to opposite side of aircraft,
  4. Take first aid kits and survival equipment (where safe to do so),
  5. Muster crew and pax upwind of aircraft,
  6. Establish comms and ensure PLBs/ EPIRBs are transmitting,
  7. Perform headcount and treat any injuries
56
Q

What is the process for evacuation onto water following ditching without life-rafts?

A
  1. Brace position,
  2. Identify emergency exits (HEELS LIGHTING should be activated),
  3. Remain in seats until all violent motion has ceased unless the aircraft capsizes - immediately evacuate via emergency exits (cockpit and cabin windows),
  4. Take first aid kit and survival equipment (where safe to do so),
  5. Evacuate aircraft via emergency exits,
  6. Inflate life-jackets,
  7. Connect buddy lines,
  8. Perform head count,
  9. Establish comms with radio, activate PLBs/EPIRBs
57
Q

What are the priorities for survival?

A
  1. Protect self from exposure to the elements - locate and/or construct shelter,
  2. Location and Communication - deploy PLB/ EPIRB/ CPI, Heliograph, reflective devices, laser pointers, torches, flares, distress signals, SOS techniques,
  3. Water - locate and ration water, utilise water-making equipment,
  4. Food - locate and ration food,
  5. Morale
58
Q

What are the features and contents of the Switlick X-Back Life-Jacket?

A

Features:
- 2 x red-beaded deployment handles,
- 2 x CO2 cylinders,
- 2 x inflation chambers,
- 1 x manual inflation mouthpiece
- 1 x salt-water activated light,
- 2 x pockets,
- 1 x CA-EBS O2 bottle and mouthpiece

Contents:
- Heliograph,
- Whistle,
- GME Accusat MT410 PLB,
- Pains Wessex Day/Night Flare,
- Pains Wessex MK9 MiniFlare,
- ICOM Marine Radio Adapter (RCM)

59
Q

What does HFIRES refer to?

A

H - Height (low)
F - Fouled Hook
I - Intercom Failure
R - Cable Runaway
E - Major or Minor Emergencies
S - Hoist Stoppage, Stretcher Spin/Swing/Snag

60
Q

What actions can the rear crew take during a ditching/ forced landing to assist the pilot(s)?

A

A. ensure equipment is stowed and pax are restrained and secure,
B. Assist with transmission of a distress call,
C. Assist pilot with identifying location of a suitable landing area,
D. Prepare for brace position,
E. Prepare for activation/ deployment of ELTs/ CPI,
F. identify emergency exits, and ensure clear egress for evacuation,
G. Prepare for utlisation of life-rafts,
H. Prepare for swift retreival of first aid and survival equipment,

61
Q

What is the process for evacuation onto water after ditching?

A
  1. Brace position,
  2. Identify emergency exits,
  3. Remain in seats until all violent motion has ceased, unless the aircraft capsizes - immediately evacuate via emergency exits (jettison cockpit and cabin windows),
  4. Swift retrieval of first kit and survival equipment (where safe to do so),
  5. Activate and deploy ELTs/ CPI (where safe to do so and where failing automatic initiation)
  6. Evacuate via emergency exits (jettison cockpit and cabin windows),
  7. Inflate life-jackets,
  8. Inflate and board life-rafts
  9. Cut short mooring line,
  10. Deploy sea anchor,
  11. Head count,
  12. Erect canopy as required,
  13. Establish comms with radio, activate PLB/ EPIRBs,
  14. Administer sea sickness tablets
62
Q

What is the emergency shutdown procedure for the AW139?

A
  1. Isolate Power Systems - Push Gang Bar to upper position to immediately shut down Gen 1 & 2 and Master Battery,
  2. Isolate Engines - Turn Engine 1 & 2 mode switches from “FLT” to “OFF”

or…..

63
Q

What the airspeed limitation for opening and closing cabin doors?

A

80 KIAS for opening and closing and (both open)

100 KIAS for RHS side door ONLY open

64
Q

What is the maximum loading permissible for the cabin floor?

A

1000kg / 300kgm2

65
Q

How do you operate the portable fire extinguishers?

A
  1. Remove BCF Halon Fire Extinguishers from brace mount,
  2. Slide red lever upward to remove safety catch,
  3. Hold extinguisher upright by handgrip and aim nozzle at base of fire,
  4. Depress trigger,
  5. Ventilate cabin immediately after use - BCF halon displaces O2 from atmosphere
66
Q

What actions should be taken if a pilot becomes incapicitated?

A
  1. Pull pilot back into their seat,
  2. Rest hands on their lap,
  3. Push down on the Inertia Reel Lock located on bottom LHS of seat.
  4. Facilitate maintaining patent airway where possible
67
Q

What is the approximate fuel burn of the AW139 per hour in the cruise?

A

420kg/hr or 440kg/hr - with Goodrich Hoist installed

68
Q

What is the maximum permissible loading of the tailboom cargo compartment?

A

300kg

69
Q

What call will the pilot shout if a forced landing/ ditching is imminent?

A

“Brace, Brace, Brace”

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