Yak 18T Flight Operations Manual
Page 41 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.
Section 8 – Aerobatic Flight Manoeuvres
The Yak 18T with M-14P can perform the following aerobatic and elementary flight
manoeuvres. The crew will determine the flight plan and altitude for aerobatics in each
specific case.
• Aircraft weight for aerobatics should not exceed 1,500kg, the number of
crewmembers must not be more than 2 persons.
• While piloting, manoeuvre recovery must be terminated at a level not lower than
1000m. While performing aerobatics the g-load should not purposely exceed +3.5g
to +4g.
• Prior to performing any elementary and advanced flying, trim the aircraft to an IAS of
180km/h and SET the engine crankshaft speed of 70%, i.e. Nominal II engine
regime
• Perform a FULL CHECK of the engine instruments
• To PREVENT against the engine intolerable spin-up while performing elementary
and advanced flying, do not exceed the speed over 300km/h (see aircraft flying
limitations)
• It is PROHIBITED
to perform any aerobatic manoeuvre without the appropriate
type-training
This aircraft is cleared to perform the following aerobatic manoeuvres –
• Steep turns: 45° and 60° of bank
• Figure Eight
• Combat Turn
• Diving
• Steep Climb/Zoom
• Spiral
• Slipping
• Barrel/Slow Roll
• Flick/Snap Roll
• Normal 360° loop
• Half-loop
• Half-roll
• Spins
8.1 Steep Turn: 45° of bank
• BEFORE entry into this manoeuvre, study the surrounding airspace to make sure that no
other aircraft are flying in proximity of your aircraft, that you will remain clear of cloud,
congested areas and that sufficient altitude is available should the manoeuvre is not
successful. Select the necessary ground reference points for completing the manoeuvre
• Prior to entry into the 45° banked turn, SET the engine conditions to 70% and an IAS of
180km/h
• Then by a SMOOTH combined moving of the yoke and rudder pedals, put the aircraft
into the banked turn. The angle of bank is specified by the nose-over position and the
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