QCodes

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Code Question Answer Application
QJI Will you transmit a continuous … 1) mark? 2) space? I am transmitting a continuous… 1) mark. 2) space. Aeronautical Code signals
QJG Shall I revert to automatic relay? Revert to automatic relay. Aeronautical Code signals
QEB May I turn at the intersection? Taxi as follows at the intersection … (straight ahead DRT turn left LEFT turn right RITE). Aeronautical Code signals
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
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
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
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
QDV Are you flying in a flight visibility of less than ... (figures and units)? I am flying in a flight visibility of less than ... (figures and units) at flight level/altitude ... 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