PPRuNe Forums - View Single Post - Helicopter Noise signature

7th July 2003 | 20:13

#1 (permalink)

Aladdinsane

Joined: Jul 2002

Posts: 29

Likes: 0

From: Australia

Helicopter Noise signature

Can anyone inform me or send me in the right direction to find about published helicopter dB levels, in particular BK117's??

Thanks

Aladdin