DV 20 E AFM
Emergency
Procedures
Doc. No. 4.01.25-E Rev. 2 22-Mar-2022
EASA
approved
Page 3 - 1
CHAPTER 3
EMERGENCY PROCEDURES
Page
3.1 INTRODUCTION .......................................3-3
3.1.1 GENERAL........................................3-3
3.1.2 CERTAIN AIRSPEEDS IN EMERGENCIES ..............3-4
3.1.3 SELECTING EMERGENCY FREQUENCY ..............3-4
3.2 ENGINE FAILURES .....................................3-5
3.2.1 ENGINE FAILURE ON GROUND .....................3-5
3.2.2 ENGINE FAILURE DURING TAKE-OFF GROUND ROLL . . 3-6
3.2.3 ENGINE FAILURE AFTER LIFT-OFF ..................3-6
3.2.4 ENGINE FAILURE IN FLIGHT........................3-7
3.2.5 WARNING FLASHING ON THE EMU DISPLAY .........3-11
3.3 ENGINE RESTART IN FLIGHT ...........................3-12
3.3.1 RESTARTING THE ENGINE WITH WINDMILLING PROPELLER
...............................................3-12
3.3.2 RESTARTING THE ENGINE WITH STATIONARY PROPELLER
...............................................3-14
3.4 GLIDING.............................................3-16
3.5 EMERGENCY LANDINGS ...............................3-17
3.5.1 EMERGENCY LANDING WITH ENGINE OFF ..........3-17
3.5.2 PRECAUTIONARY LANDING WITH ENGINE POWER AVAILABLE
...............................................3-18
3.6 ENGINE MANAGEMENT SYSTEM FAILURES ...............3-20
3.6.1 ERRONEOUS INDICATION OR FAILURE OF ENGINE DISPLAYS
...............................................3-20
3.6.2 ECU MALFUNCTIONS ............................3-21
3.6.3 EMU CAUTION LIGHT ILLUMINATED ................3-22