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C-MASAD-82-14 1 (1982-02-26)

handle is hein.gao/gaobabdcf0001 and id is 1 raw text is: I i NJ %..' .4 This is an unclassified digest furnished in lieu of a report containing classified security information. REPORT BY THE COMPTROLLER GENERAL OF THE UNITED STATES ISSUES CONCERNING THE NAVY'S EXPENDABLE RELIABLE ACOUSTIC PATH SONOBUOY AND ADVANCED SIGNAL PROCESSOR DIGEST An effective airborne antisubmarine warfare system includes the capability to detect, classify, localize, and destroy the enemy. This capability includes multimillion dollar weapon systems, such as the land-based P-3 patrol aircraft, the carrier-based S-3 aircraft, and the Light Airborne Multipurpose System helicopter. Sonobuoys and their related signal processors are the keys to the effective use of these air- craft in combating enemy submarines. Sonobuoys are acoustic sensors which when dropped from aircraft into the water are designed to detect the presence of submarines. Signal processors are computers on board aircraft and ships which analyze sonobuoy data to enhance submarine detection, classification, and localization. The effectiveness of about $40 billion worth of antisubmarine warfare platforms depends on how well sonobuoys and signal processors per- form. History has shown that the significance of these complex and interrelated programs has not been fully recognized or understood. This report presents GAO's views on the major unre- solved issues in developing and procuring the expendable reliable acoustic path sonobuoy (ERAPS) and the advanced signal processor. THE ERAPS PROGRAM NEEDS CRITICAL REVALIDATION 118039 The ERAPS development program is encumbered with many technical problems which are costly and complex. Cumulative development costs through fiscal year 1981 are $30 million and the Navy plans to spend at least $28 million more to complete its development by about 1985. Pro- duction costs are not known at this time. The Navy has established a unit cost goal of $5,000 in production quantities of 10,000, but at this stage, the Navy's confidence in the accuracy of these figures is low. (See p. 11.) C-MASAD-82-14 FEBRUARY 26,1982

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