Section 908
Smoke System
908 - 4 Page Date: 20. April 2002
Pilots Operating Handbook
EXTRA 300S
908.3 EMERGENCY PROCEDURES
FAILURE OF THE SMOKE-SYSTEM
1. Switch "SMOKE ARM" and "SMOKE REFILL": OFF
2. Circuit breaker PULL
FIRE IN FLIGHT
1. Switch "SMOKE ARM" OFF
If the fire (after the smoke system is shut off) will not extinguish proceed as follows:
2. Mixture IDLE CUT OFF
3. Fuel selector valve OFF (Pull & Turn)
4. Master switch OFF
5. Airspeed 100 KIAS, find your airspeed/attitude that
will keep the fire away from the cockpit
6. Land AS SOON AS POSSIBLE
7. If fire persists or aircraft is uncontrollable
and wearing a parachute BAIL OUT
SMOKE IN THE COCKPIT
1. Switch "SMOKE ARM" OFF
2. Bad weather window OPEN
3. Ventilation OPEN
4. If smoke persists in the cockpit, land AS SOON AS PRACTICAL
908.4 NORMAL PROCEDURES
The smoke system includes features for refilling the smoke oil tank and smoke generation:
A) REFILL
A separate refill hose is delivered with the smoke system which has to be used for filling the
smoke oil tank from the paraffin oil supply cansister or barrel.
1. Refill hose CONNECT hose nipple to quick
connector at the fuselage bottom;
IMMERSE the other end into the paraffin
oil in the canister/barrel
2. Switch "SMOKE REFILL" ON
The refilling should start within max. 30 sec. If this is not the case, the refill lines, fittings and filter
(if installed) have to be checked for soiling or leaks. Refilling procedure can be supported by
reducing the suction height e.g. lifting the canister. The fully filled status is sensed by the floating
device which automatically switches the refilling off.
CAUTIONCAUTION
CAUTIONCAUTION
CAUTION
NOTE
Page Date: 20. September 2006
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