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Avionics

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.

FAA-listed holder
Duncan Aviation Inc
Aircraft configurations
4
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

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.

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.

Cessna Aircraft 500A22CECessna Aircraft 550A22CECessna Aircraft S550A22CECessna Aircraft 560A22CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft 500 and Cessna Aircraft 550, and 2 more aircraft configurations model, serial range, and configuration?
  2. 02Which part numbers, software versions, interfaces, and manual changes apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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