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Engine and powerplant

STC ST01855CH-D

FAA DRS lists ST01855CH-D as Current · Reissued, held by Honeywell International Inc, for Gulfstream Aerospace LP 1125 Westwind Astra, Israel Aircraft Industries 1124, and Israel Aircraft Industries 1124A. Recorded change: Installation of Honeywell N1 Digital Electronic Engine Controls (DEEC). Snapshot dated June 30, 2026.

FAA-listed holder
Honeywell International Inc
Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Honeywell N1 Digital Electronic Engine Controls (DEEC).

ST01855CH-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: Gulfstream Aerospace LP 1125 Westwind Astra, Israel Aircraft Industries 1124, and Israel Aircraft Industries 1124A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Gulfstream Aerospace LP 1125 Westwind AstraA16NMIsrael Aircraft Industries 1124A2SWIsrael Aircraft Industries 1124AA2SW

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Gulfstream Aerospace LP 1125 Westwind Astra and Israel Aircraft Industries 1124, and 1 more aircraft configuration model, serial range, and configuration?
  2. 02Which powerplant configuration, limits, instruments, and maintenance data 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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