The MK 39 Ring Laser Gyro Navigator Story
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| Elmer Sperry patented the first gyrocompass designed expressly for the marine environment in 1910. This "spinning wheel" gyro was a significant improvement over the traditional magnetic compass of the day and changed the course of naval history. The first Sperry gyrocompass was tested at-sea aboard the USS Delaware in 1911 and established Sperry as a world leader in the manufacture of military gyrocompasses for the next 80 years. |
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| Sperry Marine introduced Ring Laser Gyro (RLG) technology to the world of ships and submarines in 1990 and in just a few short years the RLG replaced the "spinning wheel" for all precision navigation applications worldwide. Today the Sperry Marine MK49 is the standard RLG Ship's Inertial Navigation system for NATO ships and submarines, the AN/WSN-7 RLGN is the next generation navigator for all U.S. Navy submarines, aircraft carriers and other surface ships, and the MK39 RLG system has been selected by more than two dozen international navies, the U.S. Military Sealift Command, and the U.S. Coast Guard for application to many different surface ship platforms. More than 80% of all RLG navigation systems operational in navies today carry the Sperry Marine name. |
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| Sperry Marine is now producing our third generation Ring Laser Gyro Inertial Navigation System - the MK39 MOD 3A. The MK39 MOD 3A provides both high accuracy geographic position information, with or without GPS, and precise attitude and heading data needed for fire control stabilization and weapons initialization. The MK39 MOD 3A occupies 36% less deck space than our previous models, utilizes enhanced Digital Ring Laser Gyro technology, and is certified for submarine applications due to its extremely low noise signature. |
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| The MK39 MOD 3A, like all previous Sperry Marine gyrocompass and navigation systems, is designed and built with the experience and integrity that is only found in a company with over 90 years of dedication to the marine ship and submarine market. The MK39 MOD 3A stands ready to take your navy well into the next millennium, today. |
