# STC SA121EA

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Kaman Corporation Aircraft Wheel and Brake LLC, United States
- Description: Install Cleveland wheel P/N 40-46 Rev. K and brake P/N 30-31, Rev. L.
- Applied: December 6, 1962
- Status date: September 19, 2022
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS A-734](https://openairdocs.org/tcds/A-734)
- Certificate PDF: https://openairdocs.org/files/sha256/83/ee/83ee6f10d7cc979282fe6e5406572ff1e508f807a1d6bbe252683e1b92f30a4f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID194860691320250606170047.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA121EA

## ADs that name it (0)

None.

## Approved models (3)

- Gulfstream Aerospace Corporation G-44 (Army 0A-14) ([TCDS A-734](https://openairdocs.org/tcds/A-734))
- Gulfstream Aerospace Corporation G-44 (Navy J4F-2) ([TCDS A-734](https://openairdocs.org/tcds/A-734))
- Gulfstream Aerospace Corporation G-44A ([TCDS A-734](https://openairdocs.org/tcds/A-734))

## 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 SA121EA Kaman Corporation Aircraft Wheel and Brake, LLC 1160 Center Road Avon, OH 44011 Part 4a Civil Air Regulations A-734 Frakes Aviation G-44 (Army OA-14 Navy J4F-2), G-44A, SCAN Type 30 Install Cleveland Wheel P/N 40-46, rev K dated June 26, 1987, and Brake P/N 30-31, rev L dated September 16, 1988, in accordance with Drawing No. 20-59, change letter B dated November 29, 1988, Wheel, Brake, and Axle Assembly; and Drawing No. 50-22 change letter E dated November 29, 1988, Hydraulic Brake Line Layout, or later FAA Approved revisions.

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..

December 6, 1962 July 23, 1974; October 28, 1980; April 20, 1984; September 19, 2022 May 15, 1963 May 20, 1985; November 29, 1988 Paul (Vu) Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 3

SA121EA 3

SA121EA Date Reissued: September 19, 2022

(Continued from Page 1: Limitations and Conditions) introduce any adverse effect upon the airworthiness of the aircraft.

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

## Every issue (1)

- September 19, 2022: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/83/ee/83ee6f10d7cc979282fe6e5406572ff1e508f807a1d6bbe252683e1b92f30a4f)

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