# STC SA99GL

- 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: September 30, 1975
- Status date: September 19, 2022
- Product: Aircraft, Single-Engine
- Certification basis: Part 23
- Data sheets: [TCDS 654](https://openairdocs.org/tcds/654)
- Certificate PDF: https://openairdocs.org/files/sha256/1d/1c/1d1cec1f70c0bfad67dccfaac5445b1fa257783e6665b6fe1c8ebb779b898362
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181695638120250606151640.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA99GL

## ADs that name it (0)

None.

## Approved models (2)

- Grumman American Aviation Corporation G-21 ([TCDS 654](https://openairdocs.org/tcds/654))
- Grumman American Aviation Corporation G-21A ([TCDS 654](https://openairdocs.org/tcds/654))

## 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 SA99GL Kaman Corporation Aircraft Wheel and Brake, LLC 1160 Center Road Avon, OH 44011 Part 23 Federal Aviation Regulations 654 Grumman American Aviation Corp.

G-21 and G-21A Installation of Cleveland Main Wheels and Brakes in accordance with Parker Hannifin Conversion Kit P/N 199-65, Revision C, dated April 8, 1988, and Cleveland Installation Drawing 50-67, Revision A, dated April 8, 1988, or later FAA Approved Revisions.

Maximum static load rating per wheel = 4500 lbs. Maximum kinetic energy rating per brake = 1,100,000 ft.

lbs. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship September 30, 1975 October 28, 1980; September 19, 2022 December 3, 1975 April 1 1981; April 8, 1988 Paul (Vu) Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 3

SA99GL 3

SA99GL Date Reissued: September 19, 2022

(Continued from Page 1: Limitations and Conditions) between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft.

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

## Every issue (1)

- September 19, 2022: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/1d/1c/1d1cec1f70c0bfad67dccfaac5445b1fa257783e6665b6fe1c8ebb779b898362)

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