Eurocopter AS 350 83 Flight Manual page 144

FLIGHT MANUAL
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The text of page 2 is replaced with the following1ext :
3 EMERGENCY PROCEDURES
All the emergency procedures specified in the basic Flight Manual remain
applicable.
If the "P2" air valve fails to open (the "P2" message does not appear on the R
VEMD and the light, if fitted, remains off), avoid flying the helicopter in R
sand-laden atmosphere to prevent premature damage to the engine.
Should the valve fail to close (the "P2" message does not disappear and R
the light, if fitted, remains on) flight can be continued without adverse R
consequence.
.4 NORMAL PROCEDURES
The normal procedures laid down in the basic Flight Manual remain applicable
but are completed by the following procedures.
EXTERNAL CHECKS
-Engine air intake:
.Remove ice or snow from the air intake grid.
Open the engine cowling.
.Check for snow, ice or water in the air intake, and particularly under the filter.
CHECKS BEFORE STARTING THE ENGINE
-Check the "P2" indication on the VEMD and the illumination of the indicator R
light (if fitted) by momentanily switching on the "SAND FIL T' push-button. R
-ENGINE POWER CHECK
When checking the engine, make sure that the sand filter push-button is set to "off'.
.
When the sand filter is fitted. use the power assurance check chart on the next
page (Figure 1).
The procedures for checks on ground and in flight, given in SECTION 4, remain
applicable
FLYING IN SAND-LADEN ATMOSPHERE:
-Switch off the heating and de-misting systems
-Depress the SAND FIL T push-button.
-Make sure that the "P2" message appears on the VEMD and that the indicator R
light (if fitted) comes on. R
~ : Operating the sand filter causes t4 temperature to rise by approximately
10 .C
.DGAC Approved: 350 B3 5 U P .14
IAI ICIDI IFIGI 00-07 Page 2
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