Skip to content
Engine and powerplant

STC ST02005CH-D

FAA DRS lists ST02005CH-D as Current · Reissued, held by Honeywell International Inc, for Learjet 55, Learjet 55B, and Learjet 55C. 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).

ST02005CH-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: Learjet 55, Learjet 55B, and Learjet 55C. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Learjet 55A10CELearjet 55BA10CELearjet 55CA10CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Learjet 55 and Learjet 55B, 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?

Related engine and powerplant STCs