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Other aircraft modifications

STC SA1464NM

FAA DRS lists SA1464NM as Current · Amended, held by Aero Air, LLC, for Twin Commander Aircraft 690C, Twin Commander Aircraft 690A, and Twin Commander Aircraft 690, and 1 more aircraft configuration. Recorded change: Installation of Hartzell HC-B3TN-5NL/LT propellers on TPE331-5-252K engines (installed per STC SA1024SO) and AiResearch TPE331-5-251K and TPE331-5-254K engines. Snapshot dated June 30, 2026.

FAA-listed holder
Aero Air, LLC
Aircraft configurations
4
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Installation of Hartzell HC-B3TN-5NL/LT propellers on TPE331-5-252K engines (installed per STC SA1024SO) and AiResearch TPE331-5-251K and TPE331-5-254K engines.

SA1464NM 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: Twin Commander Aircraft 690C, Twin Commander Aircraft 690A, and Twin Commander Aircraft 690, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Twin Commander Aircraft 690C2A4Twin Commander Aircraft 690A2A4Twin Commander Aircraft 6902A4Twin Commander Aircraft 690B2A4

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Twin Commander Aircraft 690C and Twin Commander Aircraft 690A, 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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