SUPPLEMENTARY
PROCEDURES
ENVIRONMENTAL
AIRPLANE
O
PERATIONS
MANUAL
1-02-79
Page
2
Code
01
REVISION 41
Copyright © by Embraer. Refer to cover page for details.
All Protective Covers.....................................................REMOVE
Remove covers from engine air inlet/outlet, APU air outlet, pitot
tubes, TAT probes and wheels.
Fuselage, Wing, Tail and Control
Surfaces .....................................................................FREE OF
FROST, ICE
OR SNOW
Check that the fuselage, wing upper and lower surfaces, tail and
control surfaces are free of frost, ice or snow. Inspect control
surfaces, gaps and hinges for signs of residual fluid or gel.
A thin layer of hoarfrost is permitted on the fuselage provided the
layer is thin enough to distinguish surface features underneath,
such as painting and markings. Frost is not permitted on the
lower/upper surface of the horizontal stabilizer or the upper surface
of the wing.
Pitot Tubes, TAT, Static Ports
and AOA Vanes ..........................................................CLEAR OF ICE
Engine/APU Air Inlet .....................................................CLEAR OF ICE
OR SNOW
Check that the engine inlet and the APU air inlet is clear of ice or
snow. Fluid applied close to the APU inlet area may be ingested
and cause a flameout and result in APU internal parts damage.
Preferably, all soft snow should be mechanically removed by
blowing cold air across the airplane surface, using brooms or soft
hand scrappers.
Landing Gear ................................................................ CLEAR OF ICE,
UNOBSTRUCTED
Check that doors, gear locks and mechanisms are unobstructed
and clear of ice and snow. Check that no leakage exists.
Air Conditioning Inlets and Outlets ............................... CLEAR OF ICE
Fuel Tank Vents............................................................CLEAR OF ICE
OR SNOW
Batteries........................................................................INSTALLED
Certain temperatures require batteries removal to prevent cold
soaking. Verify that batteries have been re-installed.
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