FLIGHT MANUAL
DYNALI HELICOPTER COMPANY
Edition N°3
DYNALI H2S January 2012
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50
5.8.
NOISE LEVEL
Noise levels, determined under conditions set by article 6 of the decree of 19 /02/ 1987
(chapter 8 and appendix 4 of the second part of appendix 16), are as follows :
Recording conditions:
(unobstructed zone, free, no background noise)
REFERENCE MEASUREMENT
POINTS
NOISE LEVELS
( EPNDB)
NOISE LIMITS
( EPNDB )
Takeoff
71
82
Approach
73
82
Overflight
69
82