Supplemental Type Certificates


Installation of Elementary and Enhanced Surveillance Mode-S Transponders on Boeing MD-80 and MD-90 Series Aircraft


  • FAA STC ST02316CH
  • European Aviation Safety Agency (EASA) STC 02249 for DC-9-80 series aircraft

STC ST02316CH enables installation of enhanced Mode-S transponders in accordance with Electronic Cable Specialists (ECS) Master Data List ECS-203350.


  • Boeing DC-9-81/-82/-83/-87 series aircraft
  • Boeing MD-88 series aircraft
  • MD-90-30 series aircraft

Downloadble STC Information

 ST02316CH overview  (PDF)

More Information

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