4-11. PRACTICE AUTOROTATION
WARNING
DUR ING POWER RE COV ERY FROM PRAC -
TICE AUTOROTATIONS, AIR SPEED AND AL TI -
TUDE COM BI NA TIONS THAT ARE IN SIDE THE
HEIGHT VE LOC ITY CURVE SHA LL BE
AVOIDED. HIGH RATES OF DE SCENT MAY
DE VELOP FROM WHICH RE COV ERY MAY BE
DIF FI CULT OR NOT POS SI BLE.
WARN ING
PRAC TICE AUTOROTATIONS SHALL BE CON -
DUCTED IN AN AREA WITH A SUIT ABLE
LAND ING SITE AVAIL ABLE TO MIN I MIZE HAZ -
ARDS AS SO CI ATED WITH IN AD VER TENT EN -
GINE STOP PAGE.
WARN ING
TO RE DUCE THE CHANCE OF EN GINE STOP -
PAGE WHEN INI TI AT ING PRAC TICE
AUTOROTATIONS OR SIM U LATED FORCED
LAND ING TRAIN ING THE THROT TLE SHALL
NOT BE ABRUPTLY RE TARDED TO THE IDLE
PO SI TION.
CAU TION
AT HIGH POWER SETTINGS AN OVERSPEED
MIGHT OCCUR IF THROTTLE IS NOT REDUCED
SLIGHTLY WHEN COLLECTIVE IS LOWERED.
En sure fuel boost pump is ac ti vated prior to com menc ing
auto ro ta tion train ing. Split the nee dles by re duc ing throt tle slightly
and low er ing the col lec tive. The throt tle cor re la tion will es tab lish a
high idle rpm (ap prox i mately 2500 rpm) which will aid in
pre vent ing the en gine from load ing up or stall ing dur ing re cov ery.
Con versely, for re cov ery, in crease throt tle slightly when the
col lec tive is raised, the cor re la tion is such that only mi nor throt tle
ad just ments will be re quired to per form a smooth recovery without
exceeding 3200 rpm.
If engine stops make a touchdown auto landing.
Normal Procedures
Pilot's Flight Manual
4-20
Reissued:
16 Jan 2019
This Document contains technical data subject to EAR. See WARNING and classifications on first page.
SCHWEIZER
Model 269C Helicopter
FAA Approved
CSP Book 1 CSP-C-1.indd 108
8/4/19 12:45 PM
