# STC SA622AL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: STOL Aviation LLC c/o Tom Csatari, United States
- Description: Modification of powerplant installation, fuselage (other than weld assembly), wing flaps, and tail wheel installation to conform to the designs of the corresponding installations, assemblies, and components of the Model S-1B2 airplane.
- Applied: November 4, 1977
- Status date: October 31, 2008
- Product: Aircraft, Single-Engine
- Certification basis: Part 21, Part 43
- Data sheets: [TCDS A-754](https://openairdocs.org/tcds/A-754)
- Certificate PDF: https://openairdocs.org/files/sha256/45/38/4538c07bcd76c2cc9577902c354ef02132b26a5d6ffa5a301fb4854785c1ec7f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B81B4F4720C366D1862574C6005707D8.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA622AL

## ADs that name it (0)

None.

## Approved models (1)

- Interstate Engineering & Type Design Company Inc. S-1B1 (Army L-6; XL-6) ([TCDS A-754](https://openairdocs.org/tcds/A-754))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

This Certificate issued to

Part 04* of the Civil Air Regulations.

*Complete certification basis is specified in Aircraft Specification No. A-754, Revision 8.

Modification of powerplant installation, fuselage (other than weld assembly), wing flaps, and tail wheel installation to conform to the designs of the corresponding installations, assemblies, and components of the Model S-1B2 airplane in accordance with Arctic Aircraft Company, Inc., Report No. S-1B1 S/N 240, page 2 of 2, Drawing List, original issue dated November 7, 1977, or later FAA approved revision.

Limitations and Conditions: Data pertaining to these design changes are considered inadequate for duplication in other airplanes. The approval of these design changes is limited to Interstate S-1B1 airplane S/N 240, only. No additional modifications of this type are to be approved solely by reference to this Supplemental Type Certificate or its supporting data. 14 CFR Part 43 is adequate to insure continued airworthiness of this modification.

STOL Aviation LLC c/o Tom Csatari 8 South Park Street Lebanon, N.H. 03766 754 Make: Interstate Model: S-1B1

Date reissued: May 08, 2000;

October 31, 2008

Date amended: May 08, 2000

( Signature) Gregory J. Holt Manager Anchorage Aircraft Certification Office

( Title) Date of application: November 04, 1977

Date of issuance: November 09, 1977

## Every issue (1)

- October 31, 2008: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/45/38/4538c07bcd76c2cc9577902c354ef02132b26a5d6ffa5a301fb4854785c1ec7f)

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