ADVOKS GLOBAL · KENYA
The Civil Aviation (Air Traffic Services) Regulations
63. VHF operational flight information service broadcasts
Edition: 2022-12-31 · In force
63. VHF operational flight information service broadcasts
(1)Very High Frequency operational flight information service broadcasts shall be provided as determined by regional air flight information navigation agreements.(2)Whenever Very High Frequency operational flight information service broadcasts are provided—(a)the aerodromes for which reports and forecasts are to be included shall be as determined by regional air navigation agreements;(b)each aerodrome message shall be identified by the name of the aerodrome to which the information applies;(c)when information has not been received in time for a broadcast, the latest available information shall be included together with the time of that observation(d)the broadcasts shall be continuous and repetitive;(e)the Very High Frequency Operational Flight Information Service broadcast message shall take into consideration human performance;(f)the broadcast message shall, whenever practicable, not exceed five minutes, care being taken that the readability is not impaired by the speed of the transmission;(g)the broadcast message shall be updated on a scheduled basis as determined by regional air navigation agreements and shall be updated immediately a significant change occurs; and(h)the Very High Frequency Operational Flight Information Service message shall be prepared and disseminated by the most appropriate unit as designated by the Authority.(3)Very High Frequency operational flight information service broadcast messages shall contain the following information in the sequence indicated—(d)significant runway surface conditions and, if appropriate, braking action;(e)changes in the operational state of the radio navigation services, if appropriate;(f)holding delay, if appropriate;(g)surface wind direction and speed; if appropriate, maximum wind speed;(h)visibility and, when applicable, runway visual range;(j)cloud below 1 500 m (5 000 ft) or below the highest minimum sector altitude, whichever is greater; cumulonimbus; if the sky is obscured, vertical visibility, when available;(l)dew point temperature;(m)QNH altimeter setting;(n)Supplementary information on recent weather of operational significance and, where necessary, wind shear;(o)trend forecast, when available; andnotice of current Significant Meteorological Information messages.