Normal Operating
Procedures
DV 20 E AFM
Page 4 - 16 Rev. 2 22-Mar-2022
EASA
approved
Doc. No. 4.01.25-E
4.3.7 BEFORE TAKE-OFF
1. Toe brakes .......................... hold
2. Safety belts .......................... fastened
3. Canopy ............................. closed and locked
4. CANOPY unlock warning light............ check off
5. Fuel pressure ........................ check 2.8 to 3.2 bar
6. Fuel quantity indicator .................. check
7. Engine and electric instruments .......... within green range
8. Trim................................ NEUTRAL
9. Wing flaps ........................... T/O
10.Controls............................. free
11. Propeller speed lever .................. full forward (max. RPM)
12.Throttle ............................. 4000 RPM
13. Propeller speed lever .................. cycle 3 times
(Approx. RPM drop: 1000 RPM)
NOTE
During the lane check not all sensor values are displayed
on the engine instrument.
14.LANE SELECTOR switch ............... AUTO
15.LANE SELECTOR switch ............... LANE A , LANE B FAIL light ON
(Max. RPM drop: 180 RPM)
16.LANE SELECTOR switch ............... AUTO for 5 seconds
CONTINUED
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