Maneuvering Limits; Environmental Restrictions - Beechcraft C-12C Operator And Technical Reference Manual

TM 1-1510-218-10
5-22. MAXIMUM ALLOWABLE AIRSPEED.
The maximum
260 KIAS/0.52 Mach.
5-23. LANDING GEAR
SPEED.
The airspeed limit for extending the landing gear
and for flight with the landing gear extended is
181 KIAS.
5-24. LANDING GEAR RETRACTION SPEED.
The airspeed limit for retracting the landing gear
is 163 KIAS.
5-25. WING FLAP EXTENSION SPEEDS.
The airspeed limit for APPROACH extension,
40% of the wing flaps is 199 KIAS. The airspeed limit
for full DOWN extension, 100% of the wing flaps is
5-28. MANEUVERS.
a. The following maneuvers are prohibited.
(1) Spins.
(2) Aerobatics of any kind.
(3) Abrupt maneuvers above 181 KIAS at
12,500 pounds.
(4) Any maneuver which results in a positive
load factor of 3.17 G's or a negative load factor of
5-30. ALTITUDE LIMITATIONS.
The maximum altitude that the aircraft may be
operated at is 31,000 feet
When operating with inoperative yaw damp, the
altitude limit is 17,000 feet if the aircraft is not
equipped with dual aft body strakes.
5-31. TEMPERATURE LIMITS.
a. The aircraft shall not be operated when the
ambient temperatures are warmer than International
Standard Atmosphere (ISA) +37 °C at SL to 25,000
feet or ISA +31 °C above 25,000 feet.
5-14
allowable airspeed
EXTENSION/EXTENDED
Section VI. MANEUVERING LIMITS
Section VII. ENVIRONMENTAL RESTRICTIONS
C D T1 , 35,000 feet
143 KIAS C 154 KIAS
are extended above these speeds, the flaps or their
operating mechanisms may be damaged.
is
5-26. MINIMUM
AIRSPEED (V
mc
Single engine stall speed may be higher
than V .
mc
The minimum single engine control airspeed
(V ) at sea level standard conditions is 86 KIAS.
mc
5-27. MAXIMUM DESIGN MANEUVERING SPEED.
The maximum design maneuvering speed for
flaps retracted is 181 KIAS and 111 KIAS for flaps fully
extended at 12,500 pounds.
1.27 G's with wing flaps up, or a positive load factor of
2.0 G's or a negative 1.27 G's with wing flaps down at
12,500 pounds.
b. Recommended
airspeed is 170 KIAS.
5-29. BANK AND PITCH LIMITS.
a. Bank limits are 60° left or right.
b. Pitch limits are 30° above or below the
horizon.
b. Engine ice vanes shall be retracted at +15 °C
and above for flight operations.
T2 . 5-32. FLIGHT UNDER INSTRUMENT METEORO–
LOGICAL CONDITIONS (IMC).
This aircraft is qualified for operation in
instrument meteorological conditions.
D 157 KIAS T
SINGLE ENGINE
).
NOTE
turbulent air
. If wing flaps
CONTROL
penetration