| Abbreviation | Definition |
|---|---|
| QUN | My position, TRUE course, and speed are .... |
| QUO | Please search for .... |
| QUO1 | Please search for aircraft |
| QUO2 | Please search for ship |
| QUO3 | Please search for survival craft in the vicinity of .... latitude, .... longitude |
| QUP | Will you indicate your position? |
| QUP1 | Will you indicate your position by searchlight? |
| QUP2 | Will you indicate your position by black smoke trail? |
| QUP3 | Will you indicate your position by pyrotechnic lights? |
| QUQ | Shall I train my searchlight nearly vertical on a cloud, occulting if possible and, if your aircraft is seen, deflect the beam up wind and on the water (or land) to facilitate your landing? |
| QUR1 | Have survivors received survival equipment? |
| QUR2 | Have survivors been picked up by rescue vessel? |
| QUR3 | Have survivors been been reached by ground rescue party? |
| QUS | Have you sighted survivors or wreckage? |
| QUT | Is position of incident marked? |
| QUU | Shall I home ship or aircraft to my position? |
| QUV | What is my magnetic bearing from you? |
| QUX | Will you indicate the magnetic course for me to steer towards you with no wind? |
| QUY | Is position of survival craft marked? |
| QUY1 | Position of Survival Craft is Marked By flame or smoke float. |