Single Engine Operations Single engine operations 1 Engine

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Single Engine Operations Single engine operations 1

Single Engine Operations Single engine operations 1

Engine Failure • Standard Strategy • Obstacle Strategy Single engine operations 2

Engine Failure • Standard Strategy • Obstacle Strategy Single engine operations 2

Standard Strategy • In case of engine failure and if no constraining obstacle is

Standard Strategy • In case of engine failure and if no constraining obstacle is found on the route, the AIRBUS ‘Standard strategy’ will be adopted. • It ensures MAX range at the expense of rate of descent and descent ceiling Single engine operations 3

Single engine operations 4

Single engine operations 4

In case of engine failure the progress page of FMS presents the LRC ceiling

In case of engine failure the progress page of FMS presents the LRC ceiling as the REC MAX altitude FL 165 Single engine operations 5

FL 166 Single engine operations 6

FL 166 Single engine operations 6

Single engine operations 7

Single engine operations 7

Ex: Descent from FL 330 to FL 160 MCT Thrust GW 68 t Result:

Ex: Descent from FL 330 to FL 160 MCT Thrust GW 68 t Result: Fuel 1347 -433=914 Kg Time 38 -12=26 min Dist 253 -72=181 Nm Single engine operations 8

Single engine operations 9

Single engine operations 9

Single engine operations 10

Single engine operations 10

Obstacle Strategy • If constraining obstacles are met on the route after an engine

Obstacle Strategy • If constraining obstacles are met on the route after an engine failure, the ‘AIRBUS Obstacle strategy’ (Drift down) will be adopted in order to maintain the highest possible level. • It ensures min rate of descent and max E/O descent ceiling at the expense of range. Single engine operations 11

Single engine operations 12

Single engine operations 12

359 234 66. 5 21. 7 22000 Single engine operations 13

359 234 66. 5 21. 7 22000 Single engine operations 13

359 234 66. 5 21. 7 22000 Single engine operations 14

359 234 66. 5 21. 7 22000 Single engine operations 14

Single engine operations 15

Single engine operations 15

Example • Determination of LRC ceiling • Determination of Drift Down Ceiling • Conclusion

Example • Determination of LRC ceiling • Determination of Drift Down Ceiling • Conclusion Single engine operations 16

Example • DATA – SAT: -36ºC – GW 68 000 kg – FL 330

Example • DATA – SAT: -36ºC – GW 68 000 kg – FL 330 – MORA : 18 300 ft Single engine operations 17

• DATA – – SAT: -36 GW 68 000 kg FL 330 MORA

• DATA – – SAT: -36 GW 68 000 kg FL 330 MORA 18300 ft DISA=+15 LRC Ceiling 16600 ft As LRC ceiling is below the MORA, the Standard strategy can not be adopted. Single engine operations 18

• DATA – SAT: -36 – GW 68 000 kg – FL 330

• DATA – SAT: -36 – GW 68 000 kg – FL 330 – MORA 18300 ft DISA=+15 LRC Ceiling 16600 ft As the Drift Down ceiling (19 800 ft) is above the MORA, the Drift Down Procedure is adopted. 409 234 75. 5 25. 2 19800 Single engine operations 19

Procedure • Set MCT on the remaining engine • Decelerate to green dot speed:

Procedure • Set MCT on the remaining engine • Decelerate to green dot speed: 234 kt Then Descend to level off • Set, on FCU green dot speed and pull • A/THR : OFF • Set on FCU Drift Down Ceiling and pull. Single engine operations 20

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