R44 - POH Flashcards
What is the R44 rotor diameter?
33’
What is the main rotor tip speed?
705 FPS
What is the tail rotor tip speed?
614 FPS
What engine is in the Raven II?
IO-540-AE1A5
What is the displacement of the Raven II
541.5 CID
What’s the engine RPM at Flight idle?
2718 RPM
What is the MCP HP (Raven II)?
205 HP
What is the 5 minute TO HP (Raven II)
245 HP
What is the critical altitude?
Altitude at which full throttle produced maximum allowable power
What is the reference datum?
Vertical plane from which horizontal distances are measured.
100” forward of main rotor shaft
What is section 1?
General
What is section 2?
Limitations
What does red mean on an instrument?
Operating limit. Should not enter any part of the red.
What’s the Red Cross hatch mean on an instrument?
Power off VNE
What’s the VNE when over 2200 lbs TOGW?
120 KIAS
What’s the VNE when under 2200 lbs TOGW?
130 KIAS
What limits impose a 100 KIAS VNE?
Autorotation
Power above MCP
Doors off
What are the rotor limits?
Power on max - 102%
Power on min - 101% *
Power off max - 108%
Power off min - 90%
- transient operation below 101 permitted for training
What’s the oil maximum temp?
245*F
What’s the oil pressure limits?
25 PSI - min idle
55 PSI - min flight
95 PSI - max flight
115 PSI - max start
What’s the minimum oil for takeoff?
7 qts
What’s the max gross weight?
2500 lbs
What’s the min gross weight?
1600 lbs
What’s the max seat weight?
300 lbs
What’s the max in baggage weight?
50 lbs (including seat weight)
What’s the minimum solo pilot weight?
150 lbs
How do you recover from low g?
Gentle aft cyclic before correcting right roll
Can you fly with governor off?
Only for training or in flight failure
What’s the maximum DA?
14000’
Whats the max operating altitude?
9000’ AGL
What’s the required equipment per the POH?
Alternator, Governor, Low rotor RPM, OAT, Hydraulic control system
Does the front left seat belt need to be buckled?
Yes
When are all seat belts required to be buckled?
Doors off flight
What lighting needs to be functional for night flight?
Landing, navigational, instrument and anti-collision lights.
What are the approved fuel grades?
100 (Green)
100LL (Blue)
100VLL (Blue)
B95/130 (Amber)
What’s the (usable) fuel capacity?
- 5 - main
- 0 - aux
- 5 - max
When are you able to exceed 110 KIAS?
Smooth Air
What does the full throttle section mean on MAP Limits?
No MAP limit, pull until you droop.
What’s section 3?
Emergency Procedures
What’s land immediately mean?
Land at the nearest clear area where a safe landing can be performed.
What does land as soon as practical?
Landing site is at the pilots discretion based on nature of the problem. Flight beyond nearest airport is not recommended.
Which way does the nose yaw in a power failure?
Left
What way does the nose yaw in a driveline failure?
Left or right
What is the appropriate autorotation speed?
70 KIAS unless max glide/min descent?
What is the maximum glide profile?
90 KIAS / 90% RRPM
What is min descent profile?
55 KIAS / 90% RRPM
What’s the best glide ratio?
4.7:1 - 1 NM per 1300’ AGL
What’s the air restart procedure?
Mixture off
Throttle closed
Starter engage
Mixture slowly enriched
What’s the process for loss of tail rotor thrust?
Immediately enter autorotation
Maintain 70 KIAS
Throttle off into detent before auto landing
What’s the procedure for fire on the ground?
If cranking, continue to suck flames out. If engine starts, run at 60-70% Fuel mixture - Off Fuel valve - Off Battery - Off Exit Helicopter
What’s the procedure for engine fire in Flight?
Enter autorotation
Cabin heat off
Cabin vent on
If engine running, Normal landing then cut mixture/fuel valve
If engine stops, fuel valve off, auto landing
Battery switch off
Exit Helicopters
What’s the procedure for electrical fire in Flight?
Battery and alternator switches - off Open cabin vents Land immediately Mixture/fuel valve - Off Exit helicopter
What’s the procedure for tach failure?
Use the still working tachometer or trust governor.
What’s the procedure for hydraulic system failure?
Verify HYD switch on
If still failed, switch off.
Adjust airspeed/flight condition for comfortable control.
Land as soon as practical.
what’s the procedure for governor failure?
Firmly grip throttle, switch off Governor.
What do you do when the oil pressure light comes on?
Confirm oil pressure.
If not, land immediately.
If so, land as soon as practical.
What’s the procedure for gearbox temp or chip light?
If light is accompanied by any indication of a problem, land immediately. Otherwise, as soon as practical.
What’s the procedure for aux fuel pump light?
If no indication of a problem, land as soon as practical. Otherwise, land immediately.
What’s the procedure for fuel filter light coming on?
If no indication of a problem, land as soon as practical. Otherwise, land immediately.
What’s the procedure for clutch light coming on or flickering?
If light illuminates or flickers for more than 10 seconds, pull clutch breaker and land as soon as practical. Be prepared to enter auto.
What’s the procedure for the ALT light coming on?
Turn off nonessential equipment and switch alt off for 1 second to reset then back on. If light stays on, land as soon as practical not to exceed 20 mins or loss of tachs is imminent.
How do you recover from low rotor rpm?
Immediately roll throttle on, lower collective and possibly aft cyclic.
What is section 4?
Normal procedures
What’s the max rate of climb air speed?
55 KIAS
What’s the max range airspeed?
100 KIAS
What’s the max cruise speed?
110 KIAS
What speed should you limit to in significant turbulence?
60-70 KIAS
What’s the cranking procedure?
3-5 seconds of cranking, no more than 3 times before allowing 10 mins to cool down.
When does blade slap occur?
Airspeeds below 100 KIAS and descent rates under 1000 FPM
What’s section 5?
Performance
What’s the significance of the dotted line in the IGE/OGE charts?
Performance was only tested to this point.
What’s section 6?
Weight and balance
Which way does CG move as fuel burns?
Forward
What’s section 7?
System descriptions
How much pressure does the hyd pump produce?
450-500 PSI
What’s the lowest the stinger can be?
30”
What documents are required in the aircraft?
Airworthiness Certificafe
Registration
Operators Handbook (POH)
Weight and Balance
What inspections are required?
Service Bulltins Airworthiness Directives Life limited parts TBO Transponder Annual Pitot-static 100 hr
What preventive maintenance can pilots perform?
Replace defective safety wire/cotter pins
Replace bulbs, reflectors and lenses of position/landing lights
Replace, clean or gap spark plugs
Replace engine air filter
Clean/Refinish exterior of aircraft
Replace skid shoes
Service/replace battery
Change engine oil/filter
Inspect chip detectors and add oil to tail rotor gearbox
Remove/replace any cowling/inspection panel
Remove/replace gascolator bowl
Replenish Hydraulic fluid
What’s section 8?
Handling and maintenance
What’s section 9?
Supplements