After departure clearance:
Strobes
Pumps
Llights
Iinstruments
Transponder
Time
Ice check
Pitot
... ON
After taxying off the runway:
SPLIT TIP ... OFF
After take-off or missed approach:
Brakes
Undercarriage
Flaps
Power
Altimeters
Iinstruments
Nav aids
Landing light
Ice
Pump
HFD