| QDM | Magnetic heading |
| QDR | Magnetic bearing |
| QFE | Atmospheric pressure at aerodrome elevation |
| QFI | Qualified flight instructor (originally RAF) |
| QNE | Altimeter reading at airfield when subscale is set to 1013.25 millibars |
| QNH | Equivalent MSL pressure when altimeter is set to airport elevation |
| QRA | Quick-reaction alert |
| QTY | Quantity |
| QUJ | True bearing inbound |
| # - A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z |
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Glossary |