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QBG
|
Are you flying above cloud? |
I am flying above cloud and at flight level/altitude …
Maintain a vertical distance of ... (figures and units) above clouds, smoke, haze or fog levels. |
Aeronautical Code signals |
|
QBH
|
Are you flying below cloud? |
I am flying below cloud and at flight level/altitude …
Maintain a vertical distance of ... (figures and units) below cloud. |
Aeronautical Code signals |
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QBI
|
Is flight under IFR compulsory at ... (place) [or from ... to ... (place)]? |
Flight under IFR is compulsory at ... (place) [or from ... to ... (place)]. |
Aeronautical Code signals |
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QBJ
|
What is the amount, type and height above ... (datum) of the top of the cloud [at ... (position or zone)]? |
At ... hours at ... (position or zone) the top of the cloud is:
amount ... eights (... type) at ... (figures and units) height above ... (datum). |
Aeronautical Code signals |
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QBK
|
Are you flying with no cloud in your vicinity? |
I am flying with no cloud in my vicinity and at flight level/altitude ... |
Aeronautical Code signals |
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QBM
|
Has ... sent any messages for me? |
Here is the message sent by ... at ... hours. |
Aeronautical Code signals |
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QBN
|
Are you flying between two layers of cloud? |
I am flying between two layers of cloud and at flight level/altitude ... |
Aeronautical Code signals |
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QBO
|
What is the nearest aerodrome at which flight under VFR is permissible and which would be suitable for my landing? |
Flying under VFR is permissible at ... (place) which would be suitable for your landing. |
Aeronautical Code signals |
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QBP
|
Are you flying in and out of cloud? |
I am flying in and out of cloud and at flight level/altitude ... |
Aeronautical Code signals |
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QBS
|
|
Ascend (or descend) to ... (figures and units) height above ... (datum) before encountering instrument meteorological conditions or if visibility falls below ... (distance figures and units) and advise. |
Aeronautical Code signals |
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QBT
|
What is the runway visual range at ... (place)? |
The runway visual range at ... (place) at ... hours is ... (distance figures and units). |
Aeronautical Code signals |
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QBV
|
Have you reached flight level/altitude ... [or ... (area or place)]? |
I have reached ... flight level/altitude ... [or ... (area or place)].
Report reaching flight level/altitude ... [or ... (area or place)]. |
Aeronautical Code signals |
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QBX
|
Have you left ... flight level/altitude ... [or ... (area or place)]? |
I have left ... flight level/altitude ... [or ... (area or place)].
Report leaving flight level/altitude ... [or ... (area or place)]. |
Aeronautical Code signals |
|
QBZ
|
Report your flying conditions in relation to clouds. |
The reply to QBZ ? is given by the appropriate answer form of signals QBF, QBG, QBH, QBK, QBN and QBP. |
Aeronautical Code signals |
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QCA
|
May I change my flight level/altitude from ... to ... ? |
You may change your flight level/altitude from ... to …
I am changing my flight level/altitude from ... to … |
Aeronautical Code signals |
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QCB
|
|
Delay is being caused by …
1) your transmitting out of turn.
2) your slowness in answering.
3) lack of your reply to my … |
Aeronautical Code signals |
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QCE
|
When may I expect approach clearance? |
Expect approach clearance at ... hours.
No delay expected. |
Aeronautical Code signals |
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QCF
|
|
Delay indefinite. Expect approach clearance not later than ... hours. |
Aeronautical Code signals |
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QCH
|
May I taxi to ... (place)? |
Cleared to taxi to ... (place). |
Aeronautical Code signals |
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QCI
|
|
Make a 360-degree turn immediately (turning to the ...).
I am making a 360-degree turn immediately (turning to the ...). |
Aeronautical Code signals |
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QCS
|
|
My reception on ... frequency has broken down. |
Aeronautical Code signals |
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QCX
|
What is your full call sign? |
My full call sign is …
Use your full call sign until further notice. |
Aeronautical Code signals |
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QCY
|
|
I am working on a trailing aerial.
Work on a trailing aerial. |
Aeronautical Code signals |
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QDB
|
Have you sent message ... to ... ? |
I have sent message ... to ... |
Aeronautical Code signals |
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QDF
|
What is your D-Value at ... (position)?
What is the D-Value at ... (place or position) (at ... hours) for the ... millibar level? |
My D-Value at ... (position) at ... (figures and units) height above the 1013.2 millibars datum is ... (D-Value figures and units) ... (specify plus or minus).
The D-Value at ... (place or position) at ... hours for the ... millibar level is (D-Value figures and units) ... (specify plus or minus).
Note.- When the true altitude (radio altitude) is greater than the pressure altitude PS (Plus) is used and when it is less MS (Minus) is used. |
Aeronautical Code signals |