| Abbreviation | Definition |
|---|---|
| QFH | May I descend below the clouds? |
| QFI | Are the aerodrome lights lit? |
| QFL | Will you send up pyrotechnical Lights? |
| QFM | What height above (datum) should I maintain? |
| QFO | May I land immediately? |
| QFQ | Are the approach and runway lights lit? |
| QFR | Does my landing gear appear damaged? |
| QFR | Quiet Flight Rules |
| QFS | Is the radio facility at ... in operation? |
| QFS | Qasim Freight Station |
| QFT | Between what height above ... has ice formation been observed at (position or zone)? |
| QFU | What is the magnetic direction (or number) of the runway to be used? |
| QFV | Are the floodlights switched on? |
| QFW | What is the length of the runway in use in (units)? |
| QFX | I am working on a fixed aerial. |
| QFY | Please report the present meteorological landing conditions at (place). |
| QFZ | What is the aerodrome meteorological forecast for (place) for the period ... hours until ... hours? |
| QGC | There are obstructions to the ... of ... runway |
| QGD | Are there on my track any obstructions whose elevation equals or exceeds my altitude? |
| QGE | What is my distance to your station? |