STC SA01222SE
FAA DRS lists SA01222SE as Current · Amended, held by Merlyn Products Inc., for Twin Commander Aircraft 500-A, Twin Commander Aircraft 500-B, and Twin Commander Aircraft 500-S, and 1 more aircraft configuration. Recorded change: Modification of the existing fuel system to increase its capacity. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Modification of the existing fuel system to increase its capacity.
SA01222SE 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 500-A, Twin Commander Aircraft 500-B, and Twin Commander Aircraft 500-S, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Twin Commander Aircraft 500-A and Twin Commander Aircraft 500-B, and 2 more aircraft configurations model, serial range, and configuration?
- 02Which tanks, plumbing, usable-fuel assumptions, and inspections apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related fuel systems STCs
Installation of standard range 62 gallon capacity or long range 77 gallon capacity fiberglass fuel tanks in place of original bladder fuel tanks.
FAA holder: Hartwig Aircraft Fuel Cell Repair
Installation of standard range 56 or 62 gallon capacity or long range77 gallon capacity fiberglass fuel tanks in place of original bladder fuel tanks. (180K THRU S/N 18053000 AND LATER; AIRPLANES ORIGINALLLY EQUIPPED WITH BLADDER FUEL TANKS).
FAA holder: Hartwig Aircraft Fuel Cell Repair
Installation of fuel caps. (R182 S/N R18200002 THRU R18200583) (182Q THRU S/N 18266590).
FAA holder: Hartwig Aircraft Fuel Cell Repair