posted on Oct, 25 2012 @ 02:11 AM
Applicability: All SB Lim-1, SB Lim-2 and MiG 15 series aeroplanes.
Requirement: 1. If not already carried out, establish and record time in service for all time-lifed
components and ensure compliance with approved life limits. Refer data approved
pursuant to CAA letter "Operation of MiG 15 Type aeroplanes and Derivatives"
dated 10 August 1993.
2. (a) Carry out an idle speed engine run.
(b) Remove the aircraft tail section and inspect as indicated below to ensure that
there are no unsafe conditions present, with particular reference to flammable
fluids and ignition sources.
(i) the rear fuel tank installation including the fuel transfer pump and
(ii) the exhaust section heat blanket.
(iii) the tail pipe and jet nozzle.
(iv) all exposed flexible hoses.
(v) sealing of refuelling port surroundings and filler cap.
(vi) the upper and lower fuel pumps including the lower pump solenoid
valve (isolation valve)
(vii) the Barometric Pressure Control (BPC) including the vent gauze for
(viii) the jet (exhaust) pipe
(ix) measure the turbine blade tip clearance for minimum acceptable
dimension and record the results
(c) Reinstall the aircraft tail section
(d) In accordance with data approved pursuant to CAA letter "Operation of MiG
15 Type Aeroplanes and Derivatives" dated 10 August 1993, mark cockpit
EGT indicators with a "red radial" line at the maximum permissible
temperature for take-off relevant to the rating for the installed engine and
carry out a calibration check of the EGT indicating system, and the engine
RPM indicating system.
3. Carry out an engine ground run and check for:
(a) correct set up for upper and lower engine fuel pumps,
(b) isolation valve operation, and
(c) correct maximum RPM setting.
4. Remove appropriate aircraft fuselage access panels and inspect the engine and rear
fuel tank installation for condition and evidence of flammable fluid leakage.
Reinstall access panels after inspection and any required rectification.
Compliance: Requirements 1, 2 and 3
(a) before further flight for aircraft already issued with a "Permit to Fly for Historical
and Ex-Military Aircraft", and
(b) before being issued with a "Permit to Fly for Historical and Ex-Military Aircraft"
for other aircraft.
Requirements 2 (a), (b), (c) and 3
at intervals of 50 hours time in service
Requirement 2 (b) (ix)
before the first flight of the day
at intervals of 10 hours in service