Aerospace Acronyms: Q
| Acronym | Definition |
|---|---|
| QHI | Qualified Helicopter Instructor. |
| Quadrantal Rule | System of cruising altitudes used in UK uncontrolled airspace below FL250. |
| Q-code | Code used when air-to-ground communication was via wireless telegraphy, enabling many routine phrases and questions to be reduced to three letters. Now largely redundant, except these:- |
| QDM | Magnetic bearing to a direction-finding station. |
| QDR | Magnetic bearing from the station. |
| QFE | Atmospheric pressure at aerodrome elevation. With its sub-scale set to the aerodrome QFE an altimeter will indicate height above that airfield. |
| QFU | Magnetic orientation of runway in use. |
| QNE | Reading in feet on an altimeter set to 1013.2 millibars (standard pressure) when the aircraft is at aerodrome elevation. |
| QNH | Altitude above mean sea level based on local station pressure. |
| QTE | True line of position from a direction-finding station. |
| QUJ | True bearing |
