Deicing

3 clues
Windshield heater's job
Cold weather wing maintenance
Preparing for takeoff, in a way
Similar answers:
Abidein
Acing
Adddeicer
Advancing
Agewhenlemonadeismade
Agnusdei
Allembracing
Apprenticing
Arcing
Autoracing
Autotradeins
Backspacing
Balancing
Balancingact
Balddancing
Ballroomdancing
Basicingredient
Bladeii
Boatracing
Bodeill