# STC SA1011SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Kaman Corporation Aircraft Wheel and Brake LLC, United States
- Description: Installation of Cleveland main wheels and brakes.
- Applied: June 14, 1978
- Status date: September 17, 2022
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A44EU](https://openairdocs.org/tcds/A44EU)
- Certificate PDF: https://openairdocs.org/files/sha256/fc/4e/fc4e336ee93f9f56b6b009e5223d08e6e466a90e1f6a4cae42101037d39bf199
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID127475011820250623144516.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1011SO

## ADs that name it (0)

None.

## Approved models (3)

- Rust Robert E. DH.C1 Chipmunk 21 ([TCDS A44EU](https://openairdocs.org/tcds/A44EU))
- Rust Robert E. DH.C1 Chipmunk 22 ([TCDS A44EU](https://openairdocs.org/tcds/A44EU))
- Rust Robert E. DH.C1 Chipmunk 22A ([TCDS A44EU](https://openairdocs.org/tcds/A44EU))

## 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.

for SA1011SO Kaman Corporation Aircraft Wheel and Brake, LLC 1160 Center Road Avon, OH 44011

21.29 Federal Aviation Regulations A44EU Rust (de Havilland) Mk 21, Mk 22, Mk 22A Installation of Cleveland Main Wheels and Brakes in accordance with Parker Hannifin Conversion Kit Parts 199-79, Revision C, dated August 8, 1990, or later FAA Approved Revision.

This approval should not be incorporated in any aircraft of these specific models on which other approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those previously incorporated approved modifications will not introduce any...

June 14, 1978 July 13, 1990; September 17, 2022 July 13, 1978 September 24, 1990 Paul (Vu) Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 3

SA1011SO 3

SA1011SO Date Reissued: September 17, 2022

(Continued from Page 1: Limitations and Conditions)

any adverse effect upon the airworthiness of the aircraft.

----------END---------- 3 3

## Every issue (1)

- September 17, 2022: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/fc/4e/fc4e336ee93f9f56b6b009e5223d08e6e466a90e1f6a4cae42101037d39bf199)

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