Yak 18T - Page 4

Yak 18T Flight Operations Manual
Page 4 of 82
Disclaimer: This manual is to be used as a reference only, it is based on translated Yak 18T Flight Operations
Manuals and has not been approved by the Yakovlev Design Bureau or any other authority.
11.18. Special Feature of the Power Unit at low ambient temperatures ......................66
SECTION 12 - OPERATION OF SYSTEMS AND EQUIPMENT ............................................... 67
12.1 Radio Station.................................................................................................67
12.2 Radio Compass..............................................................................................67
12.2.1 General Information ....................................................................................67
12.2.2 Pre-flight radio compass switching-in, tuning and checking.............................67
12.2.3 Radio Compass Usage in Flight.....................................................................68
12.2.3.1 Compass System ...............................................................................70
12.2.3.2 Pre-Flight Compass Switching-on ........................................................70
12.2.3.3 Troubles and failures of the Gyro-magnetic Compass............................71
12.2.3.4 Magnetic Compass.............................................................................72
12.2.3.5 Gyro-horizon .....................................................................................72
12.2.4 The Heating and Ventilation System ............................................................. 77
12.2.5 Aneroid and diaphragm actuated instruments and the pitot static systems .......77
12.2.6 Operational Limitations................................................................................78
12.2.7 Light Facilities.............................................................................................79
INDEX ...................................................................................................................81