Skip to content
Safety and emergency equipment

STC ST604CH-D

FAA DRS lists ST604CH-D as Current · Reissued, held by Duncan Aviation Inc, for Cessna Aircraft 650. Recorded change: Installation oof AlliedSignal Mark VII ground proximity warning system with windshear detection system. Snapshot dated June 30, 2026.

FAA-listed holder
Duncan Aviation Inc
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation oof AlliedSignal Mark VII ground proximity warning system with windshear detection system.

ST604CH-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 650. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft 650A9NM

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft 650 model, serial range, and configuration?
  2. 02Which equipment, inspection intervals, procedures, and limitations 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?

Related safety and emergency equipment STCs