Yakovlev Yak-12M — YAK_12M_checklist
NOT FOR FLIGHT — source fidelity: unreviewed | operational review: none | completeness: full
Source: Yakovlev/Yak-12M/YAK_12M_checklist.txt
Rights: licensed
Checklist hash: a8014c5a64be2cc0348f752afc44b02dcd58b9738e8ef998f99b00046934bc12
Verify against the aircraft's own approved documentation before use.
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EXTERNAL
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[ ] Kick the tyres, nothing about to fall off etc.
[ ] Oil level > 8 litres.
[ ] Fuel levels OK.
[ ] Turn engine 9 blades; watch for the oil.

INTERNAL / STARTING
-------------------
[ ] All switches off, mags off etc.
[ ] Fuel OK.
[ ] Air on.
[ ] Brakes on.
[ ] Fuel on. ......................................................... ON
[ ] Mixture rich. .................................................. RICH
[ ] Close oil cooler.
[ ] Close carb heat.
[ ] Open Gills.
[ ] Flaps up.
FOR COLD START;
[ ] If you have an assistant, 9 blades, 1 prime each.
[ ] Otherwise, 8 primes, suck in, then 2 more.
FOR WARM START,
[ ] 1 prime per 10° below 100 cylinder head temp.
[ ] Master switch on.
[ ] Generator on.
[ ] DC converter.
[ ] Starter on.
[ ] Set throttle.
[ ] Press starter, when engine turns correct way, mags on both.
[ ] When engine fires, set throttle and prime as necessary.
[ ] Set 1000 RPM. .............................................. 1000 RPM
[ ] Close Gills until cylinder head temp rises, then open as necessary.
[ ] Open oil cooler as necessary.

BEFORE TAXI
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[ ] Switches on as necessay.
[ ] Radio on and set.
[ ] Set DI to compass
[ ] Set altimeter.
[ ] Uncage artificial horizon.
[ ] Do not taxi until oil temp in green.

TAXI
----
** NOTE: Note; tail wheel unlocked when stick forward.
[ ] Check brakes and steering.
[ ] Check pneumatic pressure maintained.
[ ] Check turn and slip move correctly.
[ ] Check DI moves correctly.

ENGINE CHECKS
-------------
[ ] Oil temp in green.
[ ] Cylinder head temp in green.
[ ] Set 2000 RPM ............................................... 2000 RPM
[ ] Check mags.
[ ] Exercise prop.
[ ] Check carb heat.
[ ] Set idle; engine continues to run.
[ ] Set 1000 RPM. .............................................. 1000 RPM

PRE TAKE OFF VITAL CHECKS
-------------------------
[ ] Mags on both.
[ ] Trim set.
[ ] Flaps to 15° .................................................... 15°
[ ] Fuel on and sufficient.
[ ] Mixture fully rich.
[ ] Starter covered.
[ ] Primer locked.
[ ] Prop fully fine.
[ ] Oil temp green.
[ ] Cylinder head temp green.
[ ] Set DI to compass.
[ ] Switches on as necessary.
[ ] Controls full and free.
[ ] Hatches and harness’ secure.

TAKE OFF
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[ ] Set full power, then back to 7.5 boost.
[ ] Set prop to 2000 RPM. ...................................... 2000 RPM
[ ] Take off with tail up or 3 point.

CLIMB
-----
[ ] boost, 2000 RPM.
[ ] Flaps up above 300 feet.

CRUISE
------
[ ] boost, 1860 RPM, no flaps.

DESCENT
-------
[ ] Reduce throttle.
[ ] Flaps extend below 140kmh
[ ] Final approach 110kmh, Prop to fine
** NOTE: Note land with stick back to ensure tail wheel locked - risk of ground loops.

CLOSE DOWN
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[ ] Brakes on.
[ ] Set 1000 RPM ............................................... 1000 RPM
[ ] Check mags.
[ ] Flaps up.
[ ] Close carb heat.
[ ] Unnecessary electrics off.
[ ] Set idle.
[ ] Mags off.
[ ] Open gill flaps.
[ ] Electrics off.
[ ] Close pneumatic valve.
[ ] Stick free and brakes off for manoeuvring.
[ ] Drain water trap