sorry, I miss to post some sounds:
Whale
http://xthost.info/krusty/baleine.wma
antoher whale
http://xthost.info/krusty/baleines.wma
A trailer ship :
http://xthost.info/krusty/caboteur.wma
A civilian ship with a single 'signature' should go for heavy maintenance.
He is at 132 turn/min and at the end juste 104, the noise fade when he reduce his speed.
http://xthost.info/krusty/sonargla.wma
Very strange sound
:
http://xthost.info/krusty/bizarre.wma