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PA44 Seminole Limitations

Terms in this set (70)

Category
Normal
Kinds of operations
Non icing, day/night VFR/IFR (when appropriately equipped)
maneuvers
No aerobatic/abrupt maneuvers, or stalls with INOP engine
Minimum intentional shutdown altitude
3,000 ft AGL
Maximum Crosswind Component
17 KIAS
Minimum autopilot altitude (Approach)
200' AGL
Minimum autopilot altitude (T/O &Climb)
400' AGL
Minimum autopilot altitude (Cruise)
1,000' AGL
Positive Load Factor (Maximum w/ flaps up)
3.8 G
Positive Load Factor (Maximum w/ flaps extended)
2.0 G
Negative Load Factor (Maximum)
-1.5 G
Are inverted maneuvers allowed in the Seminole?
No
Maximum Ramp Weight
3816 Ibs
Maximum T/O Weight
3800 Ibs
Maximum LDG Weight
3800 Ibs
Maximum Baggage Weight
200 Ibs
Specific Fuel Weight
6 Ibs/gal
Total Usable Fuel Per Tank
54 U.S. gal
Unusable Fuel Per Tank
1 U.S. gal
Approved Fuels
100 or 100LL
Max Fuel Imbalance (During autopilot operation)
10 gal
What is the height of the aircraft?
8' 6"
What is the wingspan of the aircraft?
38' 6.6"
What is the length of the aircraft?
27' 7.2"
What is the wheel track of the aircraft?
10' 6.5"
What is the wheel base of the aircraft?
8' 4.8"
What are the engines on the aircraft?
Lycoming IO/LIO-360-B1G6
Fuel Injected, Direct Drive, Four Cylinder, Horizontally Opposed, Air Cooled
Rated Max Horsepower (2700 rpm @ SL)?
180
Rated Max Speed or RPM?
2700 rpm
Compression Ratio
8.5:1
Engine Oil Temperature (Normal Range)
75 degrees Celsius-245 degrees Fahrenheit
Engine Oil Temperature (Max)
245 degrees Fahrenheit
Engine Oil Pressure (Min)
25 psi
Engine Oil Pressure (Max)
115 psi
Engine Oil Pressure (Normal Range)
55-95 psi
Engine Oil Pressure (Caution Range (Idle))
25-55 psi
Engine Oil Pressure (Caution Range (Warm Up, Taxi, T/O))
95-115 psi
Engine Oil Quantity (Min)
4 quarts
Engine Oil Quantity (Max)
8 quarts
Engine Oil Specification
20W5 or 15W50 (See AFM)
Cylinder Head Temperature (Normal Range)
200-500 degrees Fahrenheit
Cylinder Head Temperature (Cruise Max)
435 degrees Fahrenheit
Cylinder Head Temperature (Max)
500 degrees Fahrenheit
Fuel Flow (Normal Range)
3-25 GPH
What type of propeller is on the aircraft?
Hartzell, 2-Bladed, Constant Speed, Hydraulically Actuated, Full Feathering
What is the maximum RPM of the propeller?
2700 rpm
What is the feather lock RPM?
950 RPM
What is the diameter of the propeller?
72-74"
Alternator Rating
28V / 65 A
Alternator Max Load (Ground)
60 Amps
Alternator Max Load (Flight)
65 Amps
Main Battery Rating
24 V / 13.6 A-hr
Battery Voltage (Min)
25 V
Battery Voltage (Max)
32 V
Emergency Battery Voltage (Min)
20 V
Emergency Battery Voltage (Min for IFR)
23.3 V
Emergency Battery Voltage (Max)
32 V
Nose Gear Strut Extension (Min)
2.7 +/- 0.25
Nose Gear Tire Pressure
50 psi
Main Gear Strut Extension (Min)
2.6 +/- 0.25
Main Gear Tire Pressure
55 psi
Starter Operation
max 10 sec. then 20 sec. rest

(max 6 attempts then 30 min. rest)
Starting @ Temp < -12 degrees Celsius (10 degrees Fahrenheit)
use cold wx engine start check
Starting @ Temp <= -7 degrees Celsius (20 degrees Fahrenheit)
run on 1 engine 1000-1500 RPM w/ ALT on for 5 min before 2nd engine start
Pitot Heat Max Ground Operation Time
3 min
Cabin Heater Fuel Burn Rate (from left tank)
0.5 gph
What is the approximate climb performance penalties when you extend the landing gear/flaps up during single engine operations?
-250 ft./min.
What is the climb performance penalty when you have flaps extended 25°/gear down during single engine operations?
-490 ft./min.
What is the climb performance penalties that results when flaps are fully extended/ gear down during single engine operations?
-525 ft./min.
What climb performance can be expected when the INOP engine propeller is windmilling and the gear and flaps are up during single engine operations?
-200 ft./min.
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