You have a Helicopter Pilot who wants to Airplane Category added…what do you have to do?
61. 129 (b) 50 hours in airplane
Max Ramp WT
3816
Max TO/LD WT
3800
Max Baggage
200 lbs
How does a normally aspirated engine affect Vmc?
As altitude increases, Vmc will decrease.
Piston engines will have less dense air at higher altitude, and thrust output will be decreased. This will decrease amount of rudder a pilot needs to apply if an engine is lost.
Tell me about the props on the PA44?
Constant Speed
Variable Pitch
Hydraulically Actuated
Full Feathering
Va at 3800 lbs
Va at 2870 lbs
135 @ 3800
115 @ 2870
Max CHT
500 deg F
LOW FUEL QTY warning and caution will come on when:
Warning - L or R fuel tank is less than 5 gal
Caution - L or R fuel tank is less than 10 gal
POH 3-3/3-5
Tell my about the wing design of the semionle?
Semi-tapered
Thinner towards tips
Reduces drag because the smaller wingtip = smaller wingtip vortexes, but can cause stall at tips first.
Washout added in cuff design to change angle of incidence
Tell me about the induction system on the PA44?
Induction Air Box for CARB allows:
1. Filtered induction air in from Right side of engine (when Carb HT handle off)
2. Unfiltered Heated induction air in from Left side of engine (when Carb HT handle ON)
…filtered air always for TO
…unfiltered air bypasses filter if its blocked
What PSI is Nitrogen held under in the Prop System?
33-41 PSI
Tell me about the Un-Feathering Accumulator
Nitrogen and Oil are stored under pressure 275-300 PSI in flight.
Governor blocks passage of oil from the Accumulator.
What kind of engines does the Seminole have?
Left: O-360 (fires 1-3-2-4) Right: LO-360 (fires 1-4-2-3) - 4 cylinder - Horizontally Opposed - Air Cooled - Direct Drive - 361 cubic inches of displacement - 180hp, 2700 rpm max, compression ratio 8.5:1
How long does it take to feather the prop?
accumulator equipped: 10-17 seconds
non-accumulator equipped: 6 seconds
How long does it take to Un-Feather the prop?
8-12 seconds
Why must you feather the prop before it drops below 950 rpm?
The Anti-Feathering Pins prevent feathering below 950!!
How does the prop maintain a constant speed?
Tell me about the Landing Gear on the Seminole. How does it operate? Switches?
- Electrically powered, hydraulically operated (MIL-H-5606 hydraulic fluid) - 600 psi to extend the gear - 1800 psi to retract the gear - L/R Squat Switches - 3 Up/Down Limit Switches
What does the Left Squat Switch control? (3 things)
On takeoff, when the landing gear oleo strut drops to its full extension, the safety switch closes to complete the circuit which allows the hydraulic pump to be activated to raise the landing gear when the gear selector is moved to the UP position.
What does the Right Squat Switch control? (2 things)
2. Runs mx hobbs when gear off gorund (connects)
Name 3 things that will trigger the Gear Warning horn
What are a few limitations of the GFC 700 Autopilot (G1000)? There are 9
Cannot be used:
What turns the landing gear pump OFF when gear is Retracted?
PSI reaching 1800!