TK605 was performed as a flight IST-ZNZ-DAR.
Airspace classes "A", "D" and "G" are used within Dar-Es Salaam FIR. In class "G" airspace, continuous two-way communication is required for all flights.
Position reports additional to those required by the general position reporting procedures shall be made when entering or leaving controlled or advisory airspace.
The last position report before passing from one FIR to an adjacent FIR shall be made to the ATS unit serving the airspace about to be entered.
Pilots operating procedures
All aircraft transiting through DAR FIR shall strictly comply with the following:
a) Maintain contact with Entebbe ACC or Nairobi ACC according to the contingency plan.
b) Operate along or as close as possible to the centreline of the assigned contingency air traffic route.
c) Reach the flight level assigned by adjacent ACC for the transit of DAR FIR at least ten (10) minutes before entering DAR FIR
d) Maintain the flight level assigned by the last adjacent ACC while operating within DAR FIR, unless an emergency or flight safety reason exists.
e) Maintain a continuous listening watch on the VHF frequency 126.9 MHz, and transmit blind in English on 126.9 MHz position reports five (5) minutes before and overhead each compulsory reporting point established along the respective air traffic route.
f) Include in the last position report to the adjacent ACC, the estimated time of arrival over the entry and exit points of DAR FIR.
g) Whenever emergencies and/or flight safety reasons make it impossible to maintain the flight level assigned for the transit of DAR FIR, climb or descend well to the right of the centerline of the air traffic route being flown but remaining within DAR FIR, and immediately inform, by blind broadcast on the VHF frequency 126.9 MHz, all other aircraft likely to be affected by transmitting a relevant emergency level change message (comprising the aircraft call-sign, the aircraft position, the flight levels being left and crossed, etc.).
h) Contact the adjacent ACC as soon as possible and at least ten (10) minutes before the estimated time of arrival over the relevant exit point of DAR FIR to obtain clearance for entering the adjacent airspace concerned.
i) Display navigation and anti-collision lights always during the transit of contingency airspace.
j) The application of SLOP is strongly encouraged. A maximum of 2NM offset is approved.
k) Transponders should be set on a discrete code assigned by ATC or select code A2000 if ATC has not assigned a code
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