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En-route to the destination, the pilot has calculated his/her landing distance required including all performance factors to be 1300 m. The operator does NOT approve landings on runways with poor braking action. The braking action for the destination runways are as below, can the pilot land at the destination?

RWY 03L - 2100 m (POOR/MEDIUM/MEDIUM)
RWY 21R - 2100 m (MEDIUM/MEDIUM/POOR)

  • A

    YES, RWY 21R, as there is enough space to land before poor braking action.

  • B

    YES, RWY 03L, as there is enough space to land after the poor braking action.

  • C

    NO, the pilot must divert to the alternate aerodrome.

  • D
    YES, it is commander’s discretion as per regulation.

Learning Objective 071.02.13.02.02: State the runway condition codes for good braking action, and when a special air report is required.

Braking action on each third of the runway is stated as a 2 figure number to indicate measured coefficient, or an one figure number to indicate braking action.

RWY 03L and 21R are 2100 m long.
Each third equals:

  • 2100 ÷ 3 = 700 m

For RWY 21R - 2100 m the first two thirds (1400 m) are classified as MEDIUM braking action. The calculated factored landing distance required equals 1 300 m. This means that, if the aircraft lands on RWY 21R, it will stop before poor braking action.

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