PA-44-180 Seminole General & Limitations

Question 1

Engines

Answer 1

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

Question 2

Prop

Answer 2

2 Hartzell, max of 74”, min 72”, Constant speed, hydraulically actuated, full feathering

Question 3

Fuel

Answer 3

110 total capacity, 108 usable (54 useable each tank), 100 Green or 100LL Blue only

Question 4

Oil

Answer 4

8 qts per engine, do not operate less than 6 qts.

Question 5

Max Weights

Answer 5

Max ramp: 3816
Max T.O.: 3800
Max Landing: 3800
Max weight in baggage comp: 200

Question 6

Vne

Answer 6

202

Question 7

Vno

Answer 7

169

Question 8

Va

Answer 8

3800 lbs: 135

2700 lbs: 112

Question 9

Vle

Answer 9

Landing gear extended: 140

Question 10

Vlo

Answer 10

Landing gear extension: 140

Question 11

Vlo

Answer 11

Landing gear retraction: 109

Question 12

Vfe

Answer 12

111

Question 13

Vyse, OEI best rate of climb

Answer 13

88

Question 14

Vmca

Answer 14

Air min control speed, lowest speed at which airplane is controllable with OEI and no flaps (stalled condition): 56

Question 15

Red radial line

Answer 15

Vne: 202

Question 16

Yellow arc

Answer 16

Caution range: 169-202

Question 17

Green arc

Answer 17

Normal operating range: 57-169

Question 18

White arc

Answer 18

Flaps down: 55-111

Question 19

Blue radial line

Answer 19

Vyse, OEI best rate of climb: 88

Question 20

Inner red radial line

Answer 20

Vmca: 56

Question 21

Vr

Answer 21

75
Shortfield:
 3800: 70
  3400: 66
  3000: 62
  2600: 57

Question 22

Vlof

Answer 22

N/A

Question 23

Vxse

Answer 23

Best angle of climb OEI: 82

Question 24

Vsse

Answer 24

Safe, intentional OEI speed: 82

Question 25

Vx

Answer 25

82

Question 26

Vy

Answer 26

88

Question 27

Max CHT

Answer 27

500 F

Question 28

Max oil temp

Answer 28

245 F

Question 29

Oil pressure

Answer 29

Min 25psi

Mac 115psi

Question 30

Fuel pressure

Answer 30

Min (red line) 0.5psi
Normal (green arc) 0.5-8psi
Max (red line) 8psi

Question 31

Flight Load factors

Answer 31

Max positive load factor
Flaps up: 3.8g
Flaps down: 2.0g

Max negative load factor
N/A: no inverted maneuvers approved

Question 32

Vacuum Pump

Answer 32

4.8 - 5.2 inches of mercury