STC ST01240CH
FAA DRS lists ST01240CH as Current · Issued, held by Mayday Avionics Inc, for Boeing 727 Series. Recorded change: Installation of an AlliedSignal Mark VII Ground Proximity Warning System. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST01240CH identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.
Applicability
Aircraft named in FAA DRS
Named aircraft: Boeing 727 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
Related safety and emergency equipment STCs
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Installation of stall warning system.
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