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Seminole > PA 44 - 180 - Seminole > Flashcards

PA 44 - 180 - Seminole Flashcards

1
Q

Wingspan

A

38’ 6.6”

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2
Q

Length

A

27’ 7.2”

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3
Q

Turn Radius

A

33’

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4
Q

Ramp Weight

A

3816 lbs

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5
Q

MTOW

A

3800 lbs

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6
Q

MLW

A

3800 lbs

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7
Q

Airframe Materials

A

Aluminium alloy with steel engine mounts plus fibreglass nosecone, cowling, wingtips, rudder, fin and stabilator.

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8
Q

Airframe Structure

A

Semi monocoque

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9
Q

Wing design

A

Semi tapered (main spar 40% chord)

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10
Q

Purpose of rear spar

A

Takes torque and drag and provide mounts for flaps and ailerons.

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11
Q

Engine specs

A 
Lycoming (L) 0-360 A1H6
180 bhp @ 2700 rpm
8.5:1 comp ratio
Direct drive
Horizontally opposed
4 cylinder
Air cooled
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12
Q

Propellor specs

A 
Hartzell
74" maximum diameter / 72" minimum diameter
Constant speed
Full feather
Counter rotating
Engine 1 = Clockwise
Engine 2 = Anticlockwise
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13
Q

How is propellor pitch controlled?

A

Nitrogen and Oil pressure.

Increase in oil px = High RPM and Unfeather position / fine pitch.

Increase in nitrogen px = Low RPM and feather position coarse pitch.

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14
Q

Purpose of large spring in the variable pitch propellor?

A

To prevent overspeed of propellor.

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15
Q

Above what rpm does the feather lock prevent feathering?

A

950 rpm

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16
Q

Type of motor that powers landing gear?

A

Electric hydraulic motor.

(N.B: gear should not be change up/down or vice versa if gear is in transit).

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17
Q

MFD landing gear annunciators (lights).

A

Gear down = Solid green circle
Gear up = hollow white circle
Transit = crosshatched square
Abnormal = red circle.

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18
Q

Landing gear direction of retraction?

A 
Nosewheel = retracts aft
Mains = inwards
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19
Q

How can gear position be verified?

A

Mirror on side of nacelle / MFD annunciator.

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20
Q

When do you get gear unsafe warning? (3 items)

A
  1. Gear not down / unlocked and MAP less that 14 inHg.
  2. Gear selector in up position on the ground.
  3. Gear is not down and locked and flaps extended greater that 25 degrees.
21
Q

What prevents gear retraction on the ground?

A

WoW / Squat switch on right main.

22
Q

What angle is nose wheel steerable?

A

30 degrees either side of the centre.

23
Q

What is the type of main gear strut design?

A

Air / Oil design.

24
Q

Type of brake system?

A

Disc brakes on each main wheel with hydraulic lines separate from gear retraction.

25
Q

Electric fuel pump voltage?

A

14 V

26
Q

Do the fuel pump systems need to be on to prime the engines?

A

Yes

27
Q

Which cylinders have fuel primed into them?

A

1,2 and 4. (number 3 has manifold px probe instead of a primer injector).

28
Q

Position of fuel selectors during single engine ops?

A

Live engine to be set to X-FEED and dead engine to be set to OFF position.

29
Q

What is the primary electrical source, including system voltage / amperage / voltage of over volt protection?

A

2 belt driven alternators / 28V / 80 Amp in flight and 60 Amp on ground with over volt protection at >32V

30
Q

Main battery specs and where kept?

A

13.6 A/h
24V
Stored in nose

31
Q

What equipment is available without the battery master on?

A

Clock, Engine / heater hobbs and Tach.

32
Q

Where is the combustion heater located?

A

Nose.

33
Q

Where / how much fuel does combustion heater draw?

A

Left wing and 0.5 USG/hr

34
Q

Where are stall warners and when is each one used?

A

Left wing
Inboard = Flaps 25 / 40
Outboard = Flaps 0 / 10

35
Q

ELT Transmission

A

406 MHz on 121.5 (for first 24 hours transmits once every 50 seconds lasting 440ms)

36
Q

When must ELT battery be replaced? (5 items)

A
  1. When exceeding the battery replacement date marked.
  2. When used in an emergency situation.
  3. When accumulated test time is greater than 1 hour.
  4. When inadvertently activated for an unknown time.
  5. Leakage of any cell.
37
Q

How much fuel can a Seminole hold?

A

110 USG total (2 unusable / 1 per wing)

38
Q

Max load factors

A

3.8 Clean
2.0 Flaps
-1.5 Negative
Not approved for inverted flight

39
Q

How many placards?

A

14

40
Q

How long does the feathering process take?

A

6 seconds

41
Q

What type of ailerons is the Seminole fitted with?

A

Frise Ailerons

42
Q

What type of servo tab is used on the Stabilator and Rudder?

A

Anti Servo Tab

43
Q

Where is the hydraulic pump located?

A

Behind the rear firewall

44
Q

How much pressure (psi) does the hydraulic pump deliver in the Extension cycle?

A

400-800 psi

45
Q

How much pressure (psi) does the hydraulic pump deliver in the Retraction cycle?

A

1800 psi

46
Q

Tyres on nose gear (ply and inflation pressure)?

A

6 ply tyre - inflated to 50 psi

47
Q

Tyres on main gear (ply and inflation pressure)?

A

8 ply tyre - inflated to 55 psi

48
Q

Where is brake fluid reservoir located?

A

In the nose section

Seminole (4 decks)

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