Safety procedures during starting. The
following safety procedures should be accomplished
Employ hand signals for directing
activity when engine operating noise will not permit voice
Avoid excessive fuel pressure
when starting turbine engines.
When fire occurs during engine
start, or while operating, the operator shall take necessary
action, as outlined in applicable maintenance manual, to
extinguish flame. Should this action fail, the fire guards
extinguishing agent provided. Should fire get beyond
control of operator and fire guard, all available approved
means of extinguishing an aircraft or engine fire shall be
During start, and while engines
are operating, personnel shall stand well clear of
propellers and of areas affected by turbine air intake flow
and exhaust blast.
All personnel will remain clear of
engines necessitating close inspections or adjustment, as
directed by the specific equipment manual, until operating
engine speed (rpm) has been obtained.
Do not use a quick, excessive
throttle start on rotary aircraft This kind of start could
swing the tail rapidly, with the possibility of injury to
personnel or damage to equipment from the tail rotor
Keep personnel and equipment clear of aircraft at a
distance at least equal to its length
operation. The following safety procedures should be
accomplished during engine operation.
Do not operate aircraft engine
where propeller or turbine blast would cause injury to
personnel or damage to aircraft and property.
Nonrated personnel cannot run
up rotary wing aircraft under any conditions.
engines. The following safety procedures should be
accomplished after engine operation:
Place ignition switch in OFF
position. It is imperative that the ignition switch of an
aircraft engine be in OFF position when engine is not
operating. Master battery switch shall be turned off when
no longer required.
Turn off all tank selector and
emergency fuel system valves.
adjustment to engine and rotors with engine stopped.
Turbine Engines. Turbine engine starting,
ground checks, and shutdown are covered in the following
Starting Start engines using the
following general procedures.
Remove ice or frost from engine
cowling and inlet section prior to starting.
Connect an authorized auxiliary
When specified minimum starting
rpm cannot be obtained with available auxiliary power
unit, preheat accessory section and oil reservoir to reduce
starting loads. Aircraft battery may be used as a boost to
obtain required rpm.
starting rpm increases the possibility
of engine damage due to hot starts.
according to procedures outlined in the applicable
maintenance manual, using specified jet fuel or required
When there is no oil pressure
after sufficient runup time, or if oil pressure drops below
operating range after a few minutes of ground operation,
shut down engine and determine cause