R44 Flashcards
1
Q
Power plant limitations
Engine
A
Engine:
- One Lycoming Model IO-540-AE1A5
2
Q
POWERPLANT LIMITATIONS
Operating limitations
A
- engine maximum speed: 2718 RPM (102%)
- cylinder head max temp: 500 degrees F 260C
- oil maximum temp: 245 degrees F 118C
Oil pressure: - minimum during idle 25 psi
- minimum during flight 55 psi
- maximum during flight 95 psi
- maximum during start & warm up 115 psi
Oil quantity: - minimum for take off 7 qt
3
Q
Weight limits
A
- maximum gross weight 2500 lbs
- minimum gross weight 1600 lbs
- max per seat 300 lbs including baggage
- maximum in any baggage compartment 50 lbs
- minimum solo pilot plus forward baggage weight with all doors is 150 lbs unless weight and balance computation shows CG is within limits
4
Q
Flight and maneuver limitations
A
- maximum operating density altitude 14,000ft
- maximum operating altitude 9000ft AGL to allow landing within 5 minutes incase of Fire
- alternator, RPM governor, low rotor RPM warning system, OAT gauge, and hydraulic control system must be operational for dispatch
- solo from right seat only
- doors off operation up to 100 KIAS approved with any or all doors removed
5
Q
Fuel capacity
A
Bladders
- main tank: 30.5 gallons 29.5 usable gallons
- aux tank: 17.2 gallons 17.0 usable gallons
- combined capacity: 47.7 gallons 46.5 usable
Without bladders
- main: 31.6g 30.6 usable
- aux: 18.5g 18.3 usable
- combined: 50.1g 48.9 usable
6
Q
Air speeds for safe operation
A
- takeoff & climbs 60 KIAS
- maximum rate of climb 55 KIAS
- maximum range 100 KIAS
- landing approach 60 KIAS
- autorotation 70 KIAS
7
Q
ROTOR SPEED LIMITS
Power on max and minimum
Power off max and minimum
A
Power on - maximum: 102% actual RPM 408 - minimum: 101% actual RPM 404 Power off - maximum: 108% actual RPM 432 - minimum: 90% actual RPM 360
8
Q
Airspeed limits
A
VNE
- 2200lbs TOGW and below: 130 kias
- over 2200 TOGW: 120 KIAS
- autorotation: 100 KIAS
