Transport i infrastruktura · 21.10.1994
Advisory Circular: Equipment, Systems, and Installations in Part 23 Airplanes
This notice announces the availability and request for comments on proposed AC 23.1309-1B, which cancels AC 23.1309-1A, dated June 3, 1992, and Change 1 to AC 23.1309-1A, dated August 5, 1992. The proposed AC provides information and guidance addressing the National Transportation Safety Board Recommendation (NTSB) A-92-89, and to update the policy for environmental and atmospheric conditions, and software assessment.