B1900Limitations Flashcards
Engine Limits: Oil Temperature Starting Idle Take-off Max Continuous Transient
Starting -40 C(min)
Idle -40 C to 110C
Take-off 10 C to 110C
Max Continuous 10 C to 105C
Transient -40 C to 110C
Engine Limits: Oil Pressure Starting Idle Take-off Max Continuous Transient
Starting 0 to 200 PSI
Idle 60 PSI (min)
Take-off 90 to 135 PSI
Max Continuous 90 to 135 PSI
Transient 40 to 200 PSI
Engine Limits: Prop RPM (N2) Idle Take-off Max Continuous Transient
Idle 950 RPM
Take-off 1700 RPM
Max Continuous 1700 RPM
Transient 1870 RPM for 20 sec
Engine Limits: Max ITT (C) Starting Idle Take-off Max Continuous Transient
Starting 1000 C for 5 sec
Idle 750 C
Take-off 800 C
Max Continuous 780 C
Transient 870 C for 20 sec
Prop Speed Limits: Transient not exceeding 20 sec Transient not exceeding 5 min Reverse Min Idle Speed Red arc ground ops prohibited ranges All other conditions
1870 RPM 1735 RPM 1650 RPM 950 RPM 400-950 RPM and 1250-1395 RPM 1700 RPM
Gen Limits: Min N1 vs Electrical Load Requirement
0-75%
75-100%
65 % N1
72 % N1
Limits on the use of AVGAS
Ops limited to 150hrs
Ops prohibited if either standby pumps inop
Ops prohibited above 18000ft
Standby pumps must be ON for t/o and ldg
Engine Limits: Torque FT-LBS
Take-off
Max Continuous
Transient
Take-off 3950 ft/lbs
Max Continuous 3750 ft/lbs
Transient 5000 ft/lbs for 20 sec
Max speed for effective windshield anti-ice
223 kts
Min temp for ops of de-icing boots
-40 C
Min airspeed in icing conditions
160 kts
Icing Limits:
Sustained flap extended flight prohibited except on t/o and ldg.
Engine anti-ice on in temps of +5 C or below and visible moisture.
Prop de-ice limited to 1 cycle in temps above 10 C.
Prop Rotational Overspeed Limits
Max 1870 RPM for 20 Sec
More than 1700 RPM continuous = failure of primary governor.
1802 RPM allowed at max 3538ft/lbs TQ
More than 1802 RPM = failure of primary and secondary governor
Engine Limits: Gas Gen RPM (% N1) Idle Take-off Max Continuous Transient
Idle 65 % (min)
Take-off 104 %
Max Continuous 104 %
Transient 104 %
Engine Exhaust Heating of Cabin Windows and Airframe
No props in feather except start and feather check, except in temps of +5 C for max of 3 min.
No static ops in gnd fine with OAT exceeding 38 C.
No backing of a/c with reverse for more than 10 sec.
Cargo Limitations
All cargo need to be secured by an approved cargo net.
Cargo shall be so place to keep the front right emergency exit clear.
Landing Gear Cycle Limits
1 - 2min - 1 - 2min - 1 - 5min
Max Ramp Weight
17230lbs (7815kg)
Max Take-off Weight
17120lbs (7765kg)
Max Landing Weight
16765lbs (7604kg)
Max Zero Fuel Weight
15165lbs (6878kg)
7121kg (due certification changes)