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Engine and powerplant

STC SA02183AK

FAA DRS lists SA02183AK as Current · Amended, held by Power Flow Systems Inc., for Piper Aircraft PA-18, Piper Aircraft PA-18-105 (Special), and Piper Aircraft PA-18-125 (Army L-21A), and 15 more aircraft configurations. Recorded change: Fabrication of replacement engine exhaust system assembly (P/N PA18ESA). Snapshot dated June 30, 2026.

FAA-listed holder
Power Flow Systems Inc.
Aircraft configurations
18
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Fabrication of replacement engine exhaust system assembly (P/N PA18ESA).

SA02183AK 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: Piper Aircraft PA-18, Piper Aircraft PA-18-105 (Special), and Piper Aircraft PA-18-125 (Army L-21A), and 15 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Piper Aircraft PA-181A2Piper Aircraft PA-18-105 (Special)1A2Piper Aircraft PA-18-125 (Army L-21A)1A2
Piper Aircraft PA-18-135 (Army L-21B)1A2
Piper Aircraft PA-18-1501A2Piper Aircraft PA-18A1A2Piper Aircraft PA-18A-1351A2Piper Aircraft PA-18A-1501A2Piper Aircraft PA-18AS-1251A2Piper Aircraft PA-18AS-1351A2Piper Aircraft PA-18AS-1501A2Piper Aircraft PA-18S1A2Piper Aircraft PA-18S-105 (Special)1A2Piper Aircraft PA-18S-1251A2Piper Aircraft PA-18S-1351A2Piper Aircraft PA-18S-1501A2Piper Aircraft PA-19 (Army L-18C)1A2Piper Aircraft PA-19S1A2

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Piper Aircraft PA-18 and Piper Aircraft PA-18-105 (Special), and 16 more aircraft configurations 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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