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DHC6 Twin Otter Limitations



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Approved landing flap settings (normal ops)?
Flaps 20 to 37
Manouvering Design flight load factors
+3.17g (flaps retracted) or +2.0g (flaps extended) to -1.5g.
Va?
132 KIAS
Max. T5 temp for takeoff?
790
Max Torque PSI in acceleration?
68.4 PSI, but max for 2 minutes
Minimum Oil pressure after startup?
40 PSI
Maximum Ramp Mass (MRM)?
12600lbs (5715kg)
Max. T5 Temp for max climb?
765
Max. T5 temp for takeoff?
790
Max Loading in aft baggage compartment?
500 lbs (227kg), INCLUDING 150lbs (68kg) limit on extension shelf
Oil temp for IDLE?
-40 to 99
Vfe Limits - Flaps 10 til 37?
93 KIAS
Maximum Takeoff weight ( MTOW)?
12500 lbs (5670kg)
Va?
132 KIAS
Max Demonstrated crosswind?
25 knots (27 kts POST MOD 6/2434)
Starter duty time limits ?
25s on, 1 min off. 25s on, 1 min off. 25s on, 30 min off.
Approved Takeoff flap setting?
Flaps 10
Maximum Zero Fuel weight (MZFW)?
12300 lbs (5580kg)
Vx Flaps 0?
87 KIAS
Maximum floor loading in fwd/aft baggage compartments?
100 lbs / sqft (488kg/m2)
Max. T5 temp for Max Reverse?
790 (reverse power is limited to 1 minute)
Vfe limits - Flaps 0 til 10?
103 KIAS
Oil temp for max climb?
0 to 99

Starter duty time limits ?

25s on, 1 min off.

25s on, 1 min off.

25s on, 30 min off.

Max Demonstrated crosswind?
25 knots (27 kts POST MOD 6/2434)
Max. T5 Temp for max continuous?
790
Oil temp for Max cruise
0 to 99
Oil temp for Max cruise
0 to 99
Max loading in fwd baggage compartment?
285 lbs (130kg)
Vne - 15.000ft?
141 KIAS
Maximum floor loading in cabin?
200 lbs/sqft (977kg/m2)
Vne - 20.000ft?
126 KIAS
Maximum Landing weight (MLW)?
12300 lbs (5580kg)
Max. T5 Temp for Starting?
1090
Vmcg m. Flaps 10?
50 KIAS
Max. T5 Temp for Starting?
1090
Max Torque PSI, except in acceleration?
50 PSI
Vne - Sea level til 6700ft?
166 KIAS
Vmca (red line) m. Flaps 10?
64 KIAS
Approved Landing flap setting (during/after flight in ice)
Flaps 10
Maximum Takeoff weight ( MTOW)?
12500 lbs (5670kg)
Oil temp for takeoff?
10 to 99
Max Torque PSI, except in acceleration?
50 PSI
Maximum Zero Fuel weight (MZFW)?
12300 lbs (5580kg)
Max. T5 Temp for max cruise?
740
Oil temp for Max continuos?
10 to 99
Maximum Ramp Mass (MRM)?
12600lbs (5715kg)
Oil temp for starting?
minimum -40
Vne - Sea level til 6700ft?
166 KIAS
Vyse (blue line) Flaps 10?
80 KIAS
Oil temp for IDLE?
-40 to 99
Vne - 25.000ft?
112 KIAS
Oil temp for max climb?
0 to 99
Approved landing flap settings (normal ops)?
Flaps 20 to 37
Approved Landing flap setting (during/after flight in ice)
Flaps 10
Max. T5 temp for acceleration?
850
Vne - 25.000ft?
112 KIAS
Max. T5 Temp for max cruise?
740
Oil temp for takeoff?
10 to 99
Approved Takeoff flap setting?
Flaps 10
Oil temp for Max continuos?
10 to 99
Max. T5 temp for acceleration?
850
Vne - 10.000ft?
156 KIAS
Max. T5 Temp for max continuous?
790
Normal Oil pressure range?
85-105 PSI
Vfe Limits - Flaps 10 til 37?
93 KIAS
Vne - 10.000ft?
156 KIAS
Max Loading in aft baggage compartment?
500 lbs (227kg), INCLUDING 150lbs (68kg) limit on extension shelf
Vne - 15.000ft?
141 KIAS
Normal Oil pressure range?
85-105 PSI
Max. T5 temp for Max Reverse?
790 (reverse power is limited to 1 minute)
Maximum Landing weight (MLW)?
12300 lbs (5580kg)
Max loading in fwd baggage compartment?
285 lbs (130kg)
Oil temp for starting?
minimum -40
Max. T5 Temp for IDLE?
685
Maximum floor loading in cabin?
200 lbs/sqft (977kg/m2)
Maximum floor loading in fwd/aft baggage compartments?
100 lbs / sqft (488kg/m2)
Max. T5 Temp for IDLE?
685
Minimum Oil pressure after startup?
40 PSI
Vfe limits - Flaps 0 til 10?
103 KIAS
Vmcg m. Flaps 10?
50 KIAS
Vne - 20.000ft?
126 KIAS
Vx Flaps 0?
87 KIAS
Vyse (blue line) Flaps 10?
80 KIAS
Max. T5 Temp for max climb?
765
Manouvering Design flight load factors
+3.17g (flaps retracted) or +2.0g (flaps extended) to -1.5g.
Vmca (red line) m. Flaps 10?
64 KIAS
Max Torque PSI in acceleration?
68.4 PSI, but max for 2 minutes
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