a. Preparation for Flight. Check the position
of the aircraft in relation to other aircraft. Propeller
sand blast can damage closely parked aircraft. Check
that the landing gear shock struts are free of dust and
sand. Check the instrument panel and general interior
for dust and sand accumulation. Open main entrance
door and cockpit vent storm windows to ventilate the
N1 speeds of 70% or higher may be
required to keep oil temperatures within
b. Engine Starting. Use normal procedures in
Section II. Engine starting under conditions of high
ambient temperatures may produce a higher than
normal ITT/TGT during the start. The ITT/TGT should
be closely monitored when the condition lever is
moved to the LOW IDLE position. If over temperature
tendencies are encountered, the condition lever should
be moved to IDLE CUTOFF position periodically
during acceleration of gas generator RPM (N1). Be
prepared to abort the start before temperature
limitations are exceeded.
c. Before Taxi and Engine Runup. Use
normal procedures in Section II. To minimize the
dusty/sandy conditions, activate ice vanes. When the
engine runup areas are slippery, the crew may not be
able to safely accomplish the runup procedures
without causing the aircraft to begin sliding. Under
those conditions, the pilot on the controls must use his
judgment to determine which runup procedures will be
Section II. When practical, avoid taxiing over sandy
terrain to minimize propeller damage and engine
deterioration that results from impingement of sand
and gravel. During hot weather operation, use
minimum braking action to prevent brake overheating.
Section II. Avoid taking off in the wake of another
aircraft if the runway surface is sandy or dusty.
During Flight. Use normal procedures in
g. Descent. Use normal procedures in
h. Landing. Use normal procedures in
Engine Shutdown. Use normal procedures
in Section II.
During hot weather, if fuel tanks are
completely filled, fuel expansion may
cause overflow, thereby creating a fire
Before Leaving Aircraft. Use normal
procedures in Section II. Take extreme care to
prevent sand or dust from entering the fuel and oil
system during servicing. During hot weather, release
the brakes immediately after installing wheel chocks to
prevent brake disc warpage.
Due to the comparatively light
loading, control in severe turbulence and
thunderstorms is critical. Since turbulence
imposes heavy loads on the aircraft
structure, make all necessary changes in
aircraft attitude with the least amount of
control pressures to avoid excessive loads
on the aircraft structure.
Thunderstorms and areas of severe turbulence
should be avoided. If such areas are to be penetrated,
it will be necessary to counter rapid changes in attitude
Penetration should be at an altitude that provides
adequate maneuvering margins as a loss or gain of
several thousand feet of altitude may be expected.
The recommended penetration speed in severe
turbulence is 170 KIAS. Pitch attitude and constant
power settings are vital to proper flight technique.
Establish recommended penetration speed and proper
attitude prior to entering turbulent air to minimize most
difficulties. False indications by the pressure
instruments due to barometric pressure variations
within the storm make the instruments unreliable.
Maintaining a pre-established attitude will result in a
fairly constant airspeed. Turn cockpit and cabin lights
on to minimize the blinding effects of lightning and do
not use autopilot altitude hold. Maintain constant
power settings and pitch attitude regardless of
airspeed or altitude indications. Concentrate on
maintaining a level attitude by reference to the
FD/attitude indicator. Maintain original heading and
don't make ant turns, unless absolutely necessary.