ADVOKS GLOBAL · KENYA
The Civil Aviation (Rules of the Air) Regulations, 2018
47. Deviations from the current flight plan
Edition: 2022-12-31 · In force
47. Deviations from the current flight plan
(1)In the event that a controlled flight inadvertently deviates from its current flight plan, the following action shall be taken—(a)Deviation from track: if the aircraft is off track, action shall be taken forthwith to adjust the heading of the aircraft to regain track as soon as practicable.(b)Deviation from ATC assigned Mach number/indicated airspeed: the appropriate air traffic services unit shall be informed immediately.(c)Deviation from Mach number or true airspeed: if the sustained Mach number or true airspeed at cruising level varies by plus or minus Mach 0.02 or more, or plus or minus 19 km/h (10 kts) true airspeed or more from the current flight plan, the appropriate air traffic services unit shall be so informed.(d)Change in time estimate: except where ADS-C is activated and serviceable in airspace where ADS-C services are provided, if the time estimate for the next applicable reporting point, flight information region boundary or destination aerodrome, whichever comes first, changes in excess of 2 minutes from that previously notified to air traffic services, or such other period of time as is prescribed by the appropriate ATS authority or on the basis of regional air navigation agreements, the flight crew shall notify the appropriate air traffic services unit as soon as possible.(2)When ADS-C services are provided and ADS-C is activated, the air traffic services unit shall be informed automatically via data link whenever changes occur beyond the threshold values stipulated by the ADS event contract.(3)Requests for current flight plan changes shall include the following information—(a)Change of cruising level:(i)aircraft identification;(ii)requested new cruising level and cruising Mach number or true airspeed at this level;(iii)revised time estimates at subsequent reporting points or flight information region boundaries.(b)Change of Mach number or true airspeed—(i)aircraft identification;(ii)requested Mach number or true airspeed.