night collision avoidance

Red nav light on Right implies target is Returning (closing) Red, Right, Returning

pre-final

Missed (procedure), Altitude (limit), Radios (set), Time (limit), Heading (final), Airspeed (descent) MARTHA

pre-high-altitude

Flow (enabled), Lights (test), Oxygen (charged), Water (humidity), Electricity (on), Radio (check) FLOWER

pre-landing

Gas, Undercarriage, Mixture, Propeller, Speed. GUMPS

radio loss Instrument course

Cleared, else Direct to last fix, else as directed to Expect, else as flight plan Filed CDEF

spin recovery

Power (off), Opposite (full rudder), Klean (flaps, ...), Elevator (briskly forward), Recover (from dive) POKER