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Engine and powerplant

STC SA320AL

FAA DRS lists SA320AL as Current · Reissued, held by STOL Aviation LLC c/o Tom Csatari, for Interstate Engineering & Type Design S-1B1 (Army L-6; XL-6) and Interstate Engineering & Type Design S-1B2. Recorded change: ONE ONLY STC, S/N 195 AND S/N 231: Installation of Lycoming O-320-A2B engine, McCauley 1A175/GM82 propeller, Cleveland 20-6, 6.00 - 6 main wheel and brake assemblies with 8.50 - 6, 6-ply tires, leaf tail spring with Scott Model 3200 tail wheel assembly, squared wing tips, and miscellaneous other design changes to airplanes S/N 195 and S/N 231. Snapshot dated June 30, 2026.

FAA-listed holder
STOL Aviation LLC c/o Tom Csatari
Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

ONE ONLY STC, S/N 195 AND S/N 231: Installation of Lycoming O-320-A2B engine, McCauley 1A175/GM82 propeller, Cleveland 20-6, 6.00 - 6 main wheel and brake assemblies with 8.50 - 6, 6-ply tires, leaf tail spring with Scott Model 3200 tail wheel assembly, squared wing tips, and miscellaneous other design changes to airplanes S/N 195 and S/N 231.

SA320AL 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: Interstate Engineering & Type Design S-1B1 (Army L-6; XL-6) and Interstate Engineering & Type Design S-1B2. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Interstate Engineering & Type Design S-1B1 (Army L-6; XL-6)A-754
Interstate Engineering & Type Design S-1B2A-754

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Interstate Engineering & Type Design S-1B1 (Army L-6; XL-6) and Interstate Engineering & Type Design S-1B2 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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