QCodes

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Code Question Answer Application
QLB Will you monitor ... station and report regarding range, quality, etc.? I have monitored ... station and report (briefly) as follows ... Aeronautical Code signals
QLH Will you use simultaneous keying on ... frequency and ... frequency? I will now key simultaneously on ... frequency and ... frequency. Aeronautical Code signals
QLV Is the ... radio facility still required? The ... radio facility is still required. Aeronautical Code signals
QMH Shift to transmit and receive on ... kHz (or ... MHz.); if communication is not established within 5 minutes, revert to present frequency. Aeronautical Code signals
QMI Report the vertical distribution of cloud [at ... (position or zone)] as observed from your aircraft. The vertical distribution of cloud as observed from my aircraft at ... hours at ... (position or zone) is : lowest layer observed* ... eights (... type) with base of ... (figures and units) and tops of ... (figures and units) [*and similarly in sequence for each of the layers observed.] height above ... (datum). Aeronautical Code signals
QMU What is the surface temperature at ... (place) and what is the dew point temperature at that place? The surface temperature at ... (place) at ... hours is ... degrees and the dew point temperature at that time and place is ... degrees. Aeronautical Code signals
QMW At ... (position or zone) what is (are) the flight level(s)/altitude(s) ... of the zero Celsius isotherm(s)? At ... (position or zone) the zero Celsius isotherm(s) is (are) at flight level(s)/altitude(s) ... Aeronautical Code signals
QMZ Have you any amendments to the flight forecast in respect of section of route yet to be traversed? The following amendment(s) should be made to the flight forecast … [If no amendments, signal QMZ NIL] Aeronautical Code signals
QJH Shall I run … 1) my test tape? 2) a test sentence? Run … 1) your test tape. 2) a test sentence. Aeronautical Code signals
QNE What indication will my altimeter give on landing at ... (place) at ... hours, my sub-scale being set to 1013.2 millibars (29.92 inches)? On landing at ... (place) at ... hours, with your sub-scale being set to 1013.2 millibars (29.92 inches), your altimeter will indicate ... (figures and units). Aeronautical Code signals