Place chocks fore and aft of main landing
gear wheels. Do not use parking brakes as
substitutes for chocks. Use steel chocks for
snow or ice operating only. Use sandbags on
steel matting. Use wooden chocks for all
other operations. Set brakes only after they
Do not set brakes of aircraft in a
hangar or outside during subzero
Service aircraft systems as required by
applicable maintenance manual. Exercise
care during servicing to prevent moisture from
entering systems being serviced.
Avoid parking aircraft in wet or slushy areas
saturated with fuel or oil.
Install pitot tube covers and wheel covers.
Move controls to neutral position and lock by
either internal or external means.
storage, or during adverse weather, set
ground handling wheels (when applicable)
in retracted position.
Rotate or fold main rotor blades (when
applicable) in accordance with instructions
contained in applicable maintenance manual.
Preparation of Aircraft for Storms. The following
general precautions are to be observed when storms are
Install all protective covers and shields to
protect aircraft from accumulation of snow,
frost, or ice.
If wings are wet or a freezing rain is
expected, cover aircraft with a coat
of anticing and deicing-defrosting
fluid, MIL-A-8243, before installing
Refer to the applicable aircraft maintenance
manual for the use of spoilers if severe wind
Ensure aircraft is chocked and tied down in
manual storm procedures.
In case of emergency, tie down aircraft using
trees or arctic-type (dead-man) mooring
Flightline Equipment. All flightline equipment
should be inspected and functionally checked to ensure
safety prior to use.
Cleanliness. Inspect equipment internally
and externally for cleanliness. Equipment will be dry
and free of mud or other debris.
Serviceability. Perform serviceability
inspection of all new equipment.
Lubrication. Lubrication will conform to
the applicable maintenance manual.
Oil seals. Inspect oil seals for leakage.
Oil seals that are wet and show only a slight drip, after
operation or standing, are considered as seeping and
are acceptable. Seals that show definite leakage will be
Performance. Ensure that ground support
equipment is in such condition that its performance will
approximately equal new equipment and meet all
general safety requirements.
procedures explain functional checks for flightline
shutters, etc ,to ensure proper operation.
Check all meters and gauges for proper
operation and adjustment.