The process of storing aircraft in a hangar; the act of sheltering or protecting something in a large covered structure.
From hangar + -ing (gerund); refers to the action of placing aircraft into large military or civilian shelters for protection and maintenance.
Hangaring costs are a major airline expense—it's why so many planes are parked in the desert rather than expensive hangars, creating literal graveyards of commercial aircraft waiting for travel to recover.
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