BA Flashcards
Engine starter oil and secondary
Mobile jet 254
Secondary:
Mil-l-23699
Apu oil, secondary, and capacity
Mobile jet 254 Secondary: Mil-l-23699 Capacity: 3 qts
IGB oil and capacity
Dod-l-85734
2.75 pints
TGB oil and capacity
Dod-l-85734
2.75 pints
MGB oil and capacity
Dod-l-85734
7.5 gallons
Hydraulics oil, gpm, and pressure
Mil-h-83282
6gpm
3000psi
Rescue Hoist oil
Mil-l-23699
How long do you wait after shutdown to check engine oil?
What are the limits?
20 minutes after shut down
If oil level is less than 1/2 way between full and add line, service to approx 1 inch below full line
What do you service Garret engine starters to?
Filled to flat machined ur face inside fill port
How long do you wait after shutdown to check the apu?
What are the limits on oil servicing?
1 hour after shutdown
Oil should be between add line and 1/8” above add line
What should the APU accumulator pressure be?
2700-3000
How long do you wait after shutdown to check the MGB for hot?
How long for cold?
30-120 minutes for hot side of dipstick
More than 2 hours for cold side
Preferably wait 6 hrs with no movement
IGB Oil servicing
Within bulls eye
Do not check with pylon folded
If requires more than 300ml after flight to bring oil level to the top of the circle, replace IGB
TGB oil servicing
Within bulls eye
Do not check with pylon folded
If requires more than 400ml after flight to bring oil level to the top of the circle, replace IGB
Viscous damper servicing
Fluid:VV-D-1078
Bubble under 1”: no service
Bubble 1”-2”: service
Bubble > 2”: replace
Rescue hoist sight glass
View through rear fan screen
ECS oil servicing
Mobile jet 254
Oil should be visible in sight glass
What are the servicing limits on the hydraulic pumps?
Servicing piston should be wishing the green sticker.
3/8” or more into black/blue is over serviced-bleed out
Leave servicing Valve in “4” when done servicing
What are the primary fuels?
Jp4/f40
Jp5/f44
Jet A/f24
Jp8/f34
What are the secondary fuels?
Jet A1/f35
Jet B
What is the auto fill sequence?
Both mains LO LI RI Requires AC power
Max pressure at the nozzle for refueling?
55psi
Stop refueling if main tank pressure gauge reaches…?
2psi
What is the anti microbial and icing inhibitor for fuel?
Mil-L-27686 (prist)
Main tire pressure and cut limits/bald limits
95-100 psi
Cut limit on sidewall
No bald spots that expose fabric or exceed 12” continuous
Tail wheel tires pressure and servicing
78-83 psi
Cut limit on sidewall
Check for tire slippage
Rotor break limits
Minimum 450 psi
Wear indicators 3/16” minimum
Rotor blades max deflection
12”
Engine wash Tgt: Max NG prior to inducing wash: Min NGfor wash: Dry engines
TGT below 80*C
Max NG of 24%
Min NG of 16%
Dry for 5 minutes. Secure anti ice then dry for additional minute.
Engine oil, secondary, and capacity
Mobile Jet 254 Sub: Mil-l-23699 Mil-l-7808 Capacity 7.3 qts
Engine run TGT: Motor to: Ground idle in: Starter drop out: NG: Oil pressure: NG match with:
TGT: 80*C Motor to 14% Light off and oil pressure within 30 seconds Starter drops out 52-65% NG limit: 67 +/- 1 Oil press: 22 min 55 max psi Ng's match within 3%
Engine start EP:
Starter drops out before 52% NG
No not re energize starter until after abort start is completed
Engine start EP
Engine abort start
Engine pcl- off
Ignition switch- off
Starter button press and motor affected engine for 30 seconds
Disengage starter
Engine start EP
Engine starter does not drop out
Appropriate pcl-off
Starter circuit breaker-pull
Remove air source by securing APU
Engine start EP
Rotor break slip
Engine PCLs (both)- off Rotor break- maintain position Do not restart the engines until break slippage cause has been remedied
APU EP
APU compartment fire
Confirm fire with for guard APU t handle- pull Fire extinguisher switch - reserve Portable fire extinguisher- as required Fuel pump switch - off APU control switch - off
APU EP
APU oil temp high, advisory illuminated
Shut down APU immediately Allow to cool for 60 minutes Check oil level -if within limits, restart and continue -if out of limits, troubleshoot APU
Engine run EP
Internal engine fire
-851 on start up 540 on shutdown- ENG PCLs (both)-off Ignition switch- off Starter button(affected engine)- press (motor until temp drops below 300*)
Engine run EP
External engine fire
Confirm fire with fire guard
Engine PCLs (both) - off
Engine fire ‘T’ handle - pull
Fire ext switch - main (reserve if required or if ac power is off)
Portable fire extinguishers - as required
Mk25 burn time
13.5-18.5 minutes
Mk58 burn time
40-60 minutes
DMB frequencies:
240.6, 242.65, 156.75
(ACR) gps PLB workings
Activated by pushing on/off switch followed by an audible beep
Red LED 406 signal only
Green LED GPS and 406 signal activated
Continuous use battery life
What are the 6 filters for the trakka beam?
White IR semi covert IR very covert IR extremely covert Amber White
Light energy from the trakka beam can atart a fire within ______
10 ft
Do not use the white filter of the trakka beam at ______ over land or water to prevent temporary blindness.
50ft
Do not expose bystanders to the search light beam on any filter within ______
250 ft
Laser range finder on the EOIR is what type of laser?
Class 1, eye safe
The laser illuminator is what type of laser? And can cause eye damage at what assisted and unassisted distances?
Class 4 laser
Eye damage at 67 yards in-aided and 918 yards with 12x binoculars
When should you preform an Auto Null on the EOIR?
Before aircraft movement.
What is the emergency frequency for VHF-FM?
156.8MHz (ch 16)
What is the emergency frequency for VHF-AM
121.5MHz
What is the emergency frequency for UHF?
243.0MHz
What is the emergency frequency for HF ALE?
All
What is the emergency frequency for HF?
2182 KHz (no longer monitored by the coast guard)
Fuel dump EP
1) crew - Alert
2) comms - set all audio control panels to ICS. Time permitting, tx intentions and advise radio silence
3) HF operation mode- manual
4) ECS- off
5) fuel dump switch- fuel dump
6) monitor fuel
7) fuel dump switch - off
Smoke and fumes elimination procedure:
1) airspeed - under 70 KIAS
2) cabin door- open
3) windows and vents - open
4) yaw aircraft to vent smoke and fumes
Emergency landing procedure
Before landing: cargo doors and windows -open or jettison unless auto rotation - seat full up and aft facing fwd - shoulder harness locked - legs fwd, out from under chair - brace for impact After landing: If time permits, assemble and deploy raft and or survival equipment Egress helicopter when rotor stops
Egress
Reference point- locate and remain calm
Seas bottle- employ as required
Emergency exits - locate release handles, push/pull and jettison
ICS cord - disconnect
reference point - relocate and hold
Seatbelt/harness - release
Egress - holding reference points exit at right angles
Lifevest - inflate as required when clear of aircraft
Mayday
Mayday x 3 Aircraft number x 3 Position POB Nature of distress Aircraft description Intentions
Cabin fire
Alert crew Designate member to fight fire Windows and vents closed Cabin door closed ECS off If fire appears out: land as soon as practicable If fire persist: land immediately
Electrical fire
Alert crew
Designate member to fight fire
Affected Equipment and associated CB’s - off/pull
Windows and vents closed
Cabin door closed
ECS off
If fire appears out: land as soon as practicable
If fire persists: generators, converters, and or other logical equipment - off
Land immediately
