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Other aircraft modifications

STC ST02597CH

FAA DRS lists ST02597CH as Current · Reissued, held by Stevens Aviation Inc., for Learjet 35, Learjet 35A (C-21A), and Learjet 36, and 1 more aircraft configuration. Recorded change: Installation of a Rockwell Collins TCAS 4000 Traffic Alert and Collision Avoidance System (TCAS II). Snapshot dated June 30, 2026.

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

Recorded modification

What the FAA record covers

Installation of a Rockwell Collins TCAS 4000 Traffic Alert and Collision Avoidance System (TCAS II).

ST02597CH 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 35, Learjet 35A (C-21A), and Learjet 36, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Learjet 35A10CELearjet 35A (C-21A)A10CELearjet 36A10CELearjet 36AA10CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Learjet 35 and Learjet 35A (C-21A), and 2 more aircraft configurations model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs 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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