Related Clues:

• Pilot's fig.
• Keyboard button
• USAF rank
• PC panic button
• PC key that's useless when pressed alone
• Flight height, on a gauge
• Bottom-row PC key
• Upper-left PC key
• Short elevation
• Ft. above sea level, to a pilot
• Ft. above sea level
• Army VIP
• PC 'oops' key
• High no.?
• Important PC feature