Yak 18T - 11.16 Pilot;Crew Actions in case of a Emergency Bailout

Yak 18T Flight Operations Manual
Page 64 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.
11.14. Pilot Actions in case of Converter Failure
If the converter fails, the radio compass and radio altimeter are switched off simultaneously.
On having detected that the converter is damaged via an illumination of the red light
FAILURE on the annunciator panel, perform the following procedures –
• SWITCH OFF the flight and navigation instruments
• CUT-OUT the circuit breakers, flight and navigation instruments
• DELIVER a radio message to ATC about the failure of the converter
Perform visual and instrument (electric turn indicator) flying, approach the airfield by radio
compass and magnetic compass, and if necessary request a radio direction finder heading
from ATC
11.15. Pilot Actions in case of Speed Indicator Failure
1. In case of a speed indicator failure, proceed as follows –
• inform ATC and fly towards your airfield to stop fulfilment of the flying task in an
appropriate fashion,
• keep the flying regime using indications from alternate instruments and via the
variometer and engine power settings (boost and rpm)
11.16. Pilot/Crew Actions in case of a Emergency Bailout
In the initial training version, for elementary and advanced pilot training, the emergency
bailout can be performed by a crewmember with the co-pilot or another pilot remaining in the
aircraft. Preliminary parachutes must be fitted whilst on the ground for all pilots.
1. A forced abandonment of the aircraft by parachute is carried out –
• in cases where there is an uncontrollable fire in the aircraft
• in cases where recovery from a spin is impossible above 1000m
• if it is impossible to restore aircraft controllability
• in all cases, when the forced landing does not guarantee life safety for the crew
members
Safe bailout during straight-line level flight and at glide conditions is provided up to an
indicated = 220km/h. The minimum altitude during the straight-line horizontal flight where a
safe escape can be made is 150m (500ft!)
2. Execution of the procedure. The aircraft commander (who is training the pilots) gives a
command “Be ready for bail-out” and the command to be executed “Abandon the
aircraft”. The crewmembers will escape from the aircraft in the following sequence –
• cadet (being trained)
• commander (trainer)
In the case of escape from an uncontrollable aircraft, only one command is given –
“Abandon the aircraft”. During parachute separation, the latter is put into action with an
automatic parachute release unit or manually with the help of a suspension ring. The
release is set to 3 seconds and to the altitude of 1000m (3,300ft)
3. Actions of the crew while abandoning the aircraft (with a controllable aircraft). Prior to
escape from the controllable aircraft, achieve a straight and level flying regime and, if
necessary, decrease the indicated airspeed to 220km/h. When bailing-out from the left
seat from the command “Be ready to bailout”, proceed as follows –