PA-44-180 Seminole General & Limitations Flashcards
Engines
2 Lycoming 0-360-A1H6, 4 cylinder, direct drive, horizontally opposed, air cooled rated to 180 hp at 2700 rpm on a standard day at sea level
Prop
2 Hartzell, max of 74”, min 72”, Constant speed, hydraulically actuated, full feathering
Fuel
110 total capacity, 108 usable (54 useable each tank), 100 Green or 100LL Blue only
Oil
8 qts per engine, do not operate less than 6 qts.
Max Weights
Max ramp: 3816
Max T.O.: 3800
Max Landing: 3800
Max weight in baggage comp: 200
Vne
202
Vno
169
Va
3800 lbs: 135
2700 lbs: 112
Vle
Landing gear extended: 140
Vlo
Landing gear extension: 140
Vlo
Landing gear retraction: 109
Vfe
111
Vyse, OEI best rate of climb
88
Vmca
Air min control speed, lowest speed at which airplane is controllable with OEI and no flaps (stalled condition): 56
Red radial line
Vne: 202
Yellow arc
Caution range: 169-202
Green arc
Normal operating range: 57-169
White arc
Flaps down: 55-111
Blue radial line
Vyse, OEI best rate of climb: 88
Inner red radial line
Vmca: 56
Vr
75 Shortfield: 3800: 70 3400: 66 3000: 62 2600: 57
Vlof
N/A
Vxse
Best angle of climb OEI: 82
Vsse
Safe, intentional OEI speed: 82
Vx
82
Vy
88
Max CHT
500 F
Max oil temp
245 F
Oil pressure
Min 25psi
Mac 115psi
Fuel pressure
Min (red line) 0.5psi
Normal (green arc) 0.5-8psi
Max (red line) 8psi
Flight Load factors
Max positive load factor
Flaps up: 3.8g
Flaps down: 2.0g
Max negative load factor
N/A: no inverted maneuvers approved
Vacuum Pump
4.8 - 5.2 inches of mercury
