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Other aircraft modifications

STC SA4158NM

FAA DRS lists SA4158NM as Current · Amended, held by American Aviation Inc, for Cessna Aircraft 340 and Cessna Aircraft 340A. Recorded change: Option 1: Installation of American Aviation, Inc., intercooled engines as modified by Supplemental Type Certificate (STC) SE4159NM in accordance with American Aviation Inc. Top Drawing List TDL 063, dated July 8, 2002, or later FAA approved revision. A copy of American Aviation Inc. Approved Flight Manual Supplement (AFMS), dated May 1, 2003, or later FAA approved revision must be carried in the modified aircraft. Option 2: This installation may be installed with cowl scoops only in accordance with American Aviation Inc. Top Drawing List TDL 063, dated July 8, 2002, or later FAA approved revision. No AFMS is necessary for this option. NOTE: This approval includes Cessna 340 series aircraft previously modified per the following STC s: SA1881SW, SA2346SW, SA4241SW, SA7365SW, SA7382SW, and SA8604SW. Snapshot dated June 30, 2026.

FAA-listed holder
American Aviation Inc
Aircraft configurations
2
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Option 1: Installation of American Aviation, Inc., intercooled engines as modified by Supplemental Type Certificate (STC) SE4159NM in accordance with American Aviation Inc. Top Drawing List TDL 063, dated July 8, 2002, or later FAA approved revision. A copy of American Aviation Inc. Approved Flight Manual Supplement (AFMS), dated May 1, 2003, or later FAA approved revision must be carried in the modified aircraft. Option 2: This installation may be installed with cowl scoops only in accordance with American Aviation Inc. Top Drawing List TDL 063, dated July 8, 2002, or later FAA approved revision. No AFMS is necessary for this option. NOTE: This approval includes Cessna 340 series aircraft previously modified per the following STC s: SA1881SW, SA2346SW, SA4241SW, SA7365SW, SA7382SW, and SA8604SW.

SA4158NM 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 340 and Cessna Aircraft 340A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft 3403A25Cessna Aircraft 340A3A25

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft 340 and Cessna Aircraft 340A 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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