Aural Warning; Warning-Caution-Advisory Panel - Eurocopter AS 350 83 Flight Manual

FLIGHT MANUAL
SECTION 3.3
.WARNING-CAUTION-ADVISORY PANEL AND AURAL WARNING
1 AURAL WARNING
Aural warnings are operative only if the "HORN" push-button is pushed in. R
When this push-button is out, the HORN light of the warning caution R
advisory panel is ON. R
1.1 .(!:Q!).g
The gong sounds each time a red warning light illuminates. R
1.2 Continuous tone R
.
Two continuous tone can be heard: R
-when NR is below 360 rpm (310 Hz tone), R
-when maximum take-off limitations are exceeded for more than 1.5 R
seconds (285 Hz tone). R
1.2.1 Reduce collective pitch to maintain NR in green arc or power within R
limitations. R
1.2.2 Check engine parameters. R
When the fuel flow control lever is in the "Flight" gate low NR can R
logically only occur following an engine failure. Apply collective R
pitch very gradually. R
1.3 Intermittent tone R
An intermittent tone (310 Hz) is heard when NR is above 410 rpm. R
Slightly increase collective pitch in order to avoid exceeding 430 rpm. R
.
.
DGAC Approved: 35083 :3.:3
[;ill:I]).Q l£J 98-36 Page 1
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