PPRuNe Forums - View Single Post - UK Maritime Patrol Aircraft - An Urgent Requirement
Old 30th Jan 2014, 12:35
  #169 (permalink)  
Join Date: Jul 2006
Location: The back of beyond
Posts: 1,610

A jet transmits
significantly less sound into water than a
PN - not strictly true. It is dependant on engine type and numbers, height
above the water and radiation pattern. The MR2 (broadband) was far noisier than
the P3 but in a very small directed footprint. Analagous to a spotlight as
oppossed to a 60 watt bulb if that makes sense.

Oh for the days of
I read somewhere that the Tu-142 Bear MPA is so noisy it can actually be 'heard' by the submarine it's tracking. Is this true or anecdotal, and is this something that happens for other turboprop or jet MPAs?
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