Knotmeter impeller eliminator system
Leeway angle indicator
Lever-operated dynamic fluid flow sensing system
Loading probe for testing an acoustic transducer
Low cost self aligning strapdown attitude and heading reference
Magnetic heading reference
Magnetic heading reference
Magnetic suspension and pointing system
Maneuver margin presenting
Map information displaying apparatus, navigation apparatus and p
Marine instrument
Marine instrument
Marine instrument
Marine instrument
Marine instrument
Marine instrument
Marine pitot tube
Marine propulsion unit with water speed measurement means
Marine sensor mounting mechanism
Marine speed log