PA 44 - 180 - Seminole

Question 1

Wingspan

Answer 1

38’ 6.6”

Question 2

Length

Answer 2

27’ 7.2”

Question 3

Turn Radius

Answer 3

33’

Question 4

Ramp Weight

Answer 4

3816 lbs

Question 5

MTOW

Answer 5

3800 lbs

Question 6

MLW

Answer 6

3800 lbs

Question 7

Airframe Materials

Answer 7

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

Question 8

Airframe Structure

Answer 8

Semi monocoque

Question 9

Wing design

Answer 9

Semi tapered (main spar 40% chord)

Question 10

Purpose of rear spar

Answer 10

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

Question 11

Engine specs

Answer 11

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

Question 12

Propellor specs

Answer 12

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

Question 13

How is propellor pitch controlled?

Answer 13

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.

Question 14

Purpose of large spring in the variable pitch propellor?

Answer 14

To prevent overspeed of propellor.

Question 15

Above what rpm does the feather lock prevent feathering?

Answer 15

950 rpm

Question 16

Type of motor that powers landing gear?

Answer 16

Electric hydraulic motor.

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

Question 17

MFD landing gear annunciators (lights).

Answer 17

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

Question 18

Landing gear direction of retraction?

Answer 18

Nosewheel = retracts aft
Mains = inwards

Question 19

How can gear position be verified?

Answer 19

Mirror on side of nacelle / MFD annunciator.

Question 20

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

Answer 20

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.

Question 21

What prevents gear retraction on the ground?

Answer 21

WoW / Squat switch on right main.

Question 22

What angle is nose wheel steerable?

Answer 22

30 degrees either side of the centre.

Question 23

What is the type of main gear strut design?

Answer 23

Air / Oil design.

Question 24

Type of brake system?

Answer 24

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

Question 25

Electric fuel pump voltage?

Answer 25

14 V

Question 26

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

Answer 26

Yes

Question 27

Which cylinders have fuel primed into them?

Answer 27

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

Question 28

Position of fuel selectors during single engine ops?

Answer 28

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

Question 29

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

Answer 29

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

Question 30

Main battery specs and where kept?

Answer 30

13.6 A/h 24V Stored in nose

Question 31

What equipment is available without the battery master on?

Answer 31

Clock, Engine / heater hobbs and Tach.

Question 32

Where is the combustion heater located?

Answer 32

Nose.

Question 33

Where / how much fuel does combustion heater draw?

Answer 33

Left wing and 0.5 USG/hr

Question 34

Where are stall warners and when is each one used?

Answer 34

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

Question 35

ELT Transmission

Answer 35

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

Question 36

When must ELT battery be replaced? (5 items)

Answer 36

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.

Question 37

How much fuel can a Seminole hold?

Answer 37

110 USG total (2 unusable / 1 per wing)

Question 38

Max load factors

Answer 38

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

Question 39

How many placards?

Answer 39

14

Question 40

How long does the feathering process take?

Answer 40

6 seconds

Question 41

What type of ailerons is the Seminole fitted with?

Answer 41

Frise Ailerons

Question 42

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

Answer 42

Anti Servo Tab

Question 43

Where is the hydraulic pump located?

Answer 43

Behind the rear firewall

Question 44

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

Answer 44

400-800 psi

Question 45

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

Answer 45

1800 psi

Question 46

Tyres on nose gear (ply and inflation pressure)?

Answer 46

6 ply tyre - inflated to 50 psi

Question 47

Tyres on main gear (ply and inflation pressure)?

Answer 47

8 ply tyre - inflated to 55 psi

Question 48

Where is brake fluid reservoir located?

Answer 48

In the nose section