NTSB · Safety Recommendation
Safety Recommendation A-71-015
Recommendation
ACCELERATE ITS EFFORTS IN DEVELOPING CERTIFICATION, PROCEDURAL, AND RULEMAKING PROCESSES INVOLVED IN IMPLEMENTING A FULL AREA NAVIGATION (RNAV) SYSTEM FOR UTILIZATION THROUGHOUT THE U. S. NATIONAL AIRSPACE SYSTEM.
Safety Issue and Context
THE NATIONAL TRANSPORTATION SAFETY BOARD, ON NOVEMBER 4, 1969, CONVENED A PUBLIC HEARING FOR THE PURPOSE OF INQUIRING INTO THE CAUSE AND PREVENTION OF MIDAIR COLLISIONS. THE BOARD, SITTING EN BANC, HEARD THE TESTIMONY OF 26 WITNESSES, INCLUDING REPRESENTATIVES OF THE UNITED STATES GOVERNMENT, THE AVIATION INDUSTRY, AND MEMBERS OF THE PUBLIC. ALSO RECEIVED INTO THE RECORD WERE WRITTEN STATEMENTS FROM 12 ORGANIZATIONS AND INDIVIDUALS.
Response History
March 25, 1971 · Recipient Response · FAA
11. FAR PART 71 AND 75 HAVE NOW BEEN REVISED FOR THE DESIGNATION OF AREA LOW AND AREA HIGH ROUTES. APPROXIMATELY 150 AREA HIGH ROUTES HAVE BEEN DEVELOPED. FOUR TRANSCONTINENTAL ROUTES, RNAV, HAVE BEEN DESIGNATED. AN ADDITIONAL 115 HIGH-ALTITUDE AREA NAVIGATION ROUTES ARE PROPOSED. FAA REGIONS ARE DEVELOPING LOW ALTITUDE AREA NAVIGATION ROUTE SYSTEMS. THIRTY-TWO RNAV INSTRUMENT APPROACH PROCEDURES HAVE BEEN APPROVED AND ANOTHER 13 ARE IN THE PROCESS OF PUBLICATION.