21-25A - Approval of Modified Seats and Berths
- Date Issued
- June 03, 1997
- Responsible Office
- AIR-120, Aviation Safety - Aircraft Certification Service, Aircraft Engineering Division
- Provides information on approvals required for modifications to TSO’d seating systems. This revision incorporates guidance regarding TSO-C127 seating systems and additional information on marking and flammability testing requirements.
- AC21-25A.pdf (PDF, 365 KB)