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A trainee ground control informed “ROMEO VICTOR ROMEO SIX HUNDRED”. What was his/her mistake?

  • A

    RVR constituent letters

  • B

    RUNWAY VISUAL RANGE and SIX ZERO ZERO

  • C

    RUNWAY VISUAL RANGE

  • D
    SIX ZERO ZERO

Refer to figures.
ICAO Annex 10, Volume II

5.2.1.4.1 Transmission of numbers
5.2.1.4.1.1 All numbers, except as prescribed in 5.2.1.4.1.2, shall be transmitted by pronouncing each digit separately.

runway visual range transmitted as
600 RVR six hundred
1 700 RVR one thousand seven hundred

ICAO states: "When radiotelephony is used, the abbreviations and terms are transmitted using the individual letters in non-phonetic form." The following abbreviations and terms refer to this statement:

ACC, ADF, ADS-B, ADS-C, AFTN, ATA, ATC, ATD, CPDLC, DME, ETA, ETD, FIR, FMS, GCA, GLS, GNSS, GPS, GPWS, HF, IFR, ILS, IMC, MLS, NDB, NOZ, NTZ, PAR, PDC, PSR, QDM, QFE, QNH, RCP, RNP, RPI, RVR, RVSM, SSR, TMA, UHF, UIR, UTC, VFR, VHF, VIP, VMC, VOR.

Note: This question should be under subject 090 - Communications, however it has been reported under Air Law. We would kindly ask anyone who comes across this question in their Air Law exam to let us know. Thanks in advance.

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