NTSB Issues Recommendation Regarding Lighter-Than-Air Airship Envelope Seams
The National Transportation Safety Board urges the Federal Aviation Administration to mandate rip-stop seam specifications in advisory circulars.
The National Transportation Safety Board has issued a formal recommendation directed at the Federal Aviation Administration concerning safety standards for lighter-than-air airships. The board advises that the agency require the design, testing, and use of rip-stop seams within these specific aircraft envelopes. Additionally, the NTSB suggests incorporating detailed specifications on rip and tear propagation limitations into the applicable advisory circular to ensure enhanced structural integrity and operational safety for this class of aviation equipment.
Original regulatory source: https://data.ntsb.gov/carol-main-public/sr-details/A-94-158