TM 55-1510-215-10
CHAPTER 9
EMERGENCY PROCEDURES
Section I. AIRCRAFT SYSTEMS
9-1. Aircraft Systems.
the cockpit emergency entrance/exit hatch are used for
emergency exit only. The main cabin entrance door, the
This section describes the aircraft systems
cabin emergency exit hatch (removable window), and
emergencies that may reasonably be expected to occur
the cockpit emergency entrance/exit hatch provide
and presents the procedures to be followed. Emergency
emergency escape routes from the aircraft either on the
procedures are given in checklist form when applicable.
ground or when ditching.
A condensed version of these procedures is contained in
the
condensed
checklist
TM
55-1510-215-CL.
9-5. Emergency Entrance.
Emergency operations of avionics equipment are
covered when appropriate in chapter 3, Avionics.
In the event that entry to the aircraft through the
main entrance door is impossible or impractical, entry
9-2. Immediate Action Emergency Checks.
may be made through the alternate emergency exits
which are the cabin window emergency exit hatch (fig.
Those checks that must be performed immediately
in an emergency procedure are underlined.
These
order to open the cabin window emergency exit hatch,
immediate action emergency checks must be committed
either the right rear window must be broken through or
to memory.
the fuselage cut open along the dotted line stenciled
CUT HERE FOR EMERGENCY RESCUE. The cockpit
NOTE
emergency entrance/exit hatch (fig. 9-1) may be
removed either externally or from inside the cockpit by
The urgency of certain emergencies
actuating either the external or the inside latch handle.
requires immediate and instinctive
action by the pilot.
The most
9-6. Engine.
important single consideration is
aircraft control. All procedures are
a. Flight Characteristics Under Partial Power
subordinate to this requirement.
Conditions . Single-engine operations, due to an engine
malfunction, are sometimes preceded by symptoms
9-3. Definition of Landing Terms.
which will enable you to take preventative action.
Complete engine failure most often occurs due to fuel
The term LAND IMMEDIATELY is defined as
starvation. This type of emergency situation is seldom
executing a landing without delay.
(The primary
due to mechanical causes, however, failure due to
consideration is to assure the survival of occupants.)
carelessness or improper operating techniques is not
The term LAND AS SOON AS POSSIBLE is defined as
uncommon. This may be avoided by constant attention
executing a landing to the nearest suitable landing area
to engine torque, turbine temperatures, and fuel and oil
without delay.
The term LAND AS SOON AS
pressure and temperatures. These operating limitations
PRACTICABLE is defined as executing a landing to the
are established and discussed in chapter 5. If an engine
nearest suitable airfield.
malfunction is indicated, land as soon as practical. It is
essential to have a thorough understanding of the
9-4. Emergency Exits and Equipment
principles affecting single-engine performance and the
limitations resulting from the unbalance of power. Two
The main cabin entrance door is used for normal or
principal factors govern flight safety on one engine:
emergency exit. A removable window (cabin emergency
AIRSPEED and POWER; directional control being in
exit hatch) on the right side of the fuselage (fig. 9-1), and
proportion to airspeed. There are no unusual flight
9-1
