Related Clues:

• Eagles do it
• Hang-glide, e.g.
• Really zoom
• Do some high flying
• Go by air
• Part of a cardboard box
• Rise to great heights
• Fly like a hawk
• Entrance at a bivouac, perhaps
• Ply the sky
• Go sky-high
• Skim the clouds
• Rise sharply
• Plane-wing part
• Bothersome insect