STC ST01508CH-D
FAA DRS lists ST01508CH-D as Current · Reissued, held by Duncan Aviation Inc, for Cessna Aircraft 500, Cessna Aircraft 550, and Cessna Aircraft S550, and 1 more aircraft configuration. Recorded change: Installation of Honeywell MK VIII Enhanced Ground Proximity Warning System (EGPWS) with optional terrain display. Approved for all serial numbers for models 500, 550 and S550. Approved for serial numbers 0001 through 0538 for model 560. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST01508CH-D 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: Cessna Aircraft 500, Cessna Aircraft 550, and Cessna Aircraft S550, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
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Related avionics STCs
Installation of a Free Flight Model 2101 I/O Approach Plus Global Positioning System (GPS), Universal Model MFD 640 Multi-function Display (MFD), and Provisions for an Aviation Communication & Surveillance Systems (ACSS) Terrain & Traffic Collision Avoidance System (TTCAS).
FAA holder: Woven Electronics, LLC
Installation of the Mid-Continent Instruments & Avionics MD23 FLEX Custom Function Display (CFD).
FAA holder: Mid-Continent Instruments and Avionics