# STC SA1457GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Kaman Corporation Aircraft Wheel and Brake LLC, United States
- Description: Installation of a Cleveland nose wheel.
- Applied: April 12, 1989
- Status date: September 17, 2022
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 6A1](https://openairdocs.org/tcds/6A1)
- Certificate PDF: https://openairdocs.org/files/sha256/42/af/42afe2f1d960351caee5fec3a8ce2341beb94df2ae0549b8ad5c35a407f5fff1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131057212820250630174406.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1457GL

## ADs that name it (0)

None.

## Approved models (7)

- Twin Commander Aircraft LLC 500 ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft LLC 500-A ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft LLC 500B ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft LLC 500S ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft LLC 500U ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft LLC 560-A ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft LLC 560-E ([TCDS 6A1](https://openairdocs.org/tcds/6A1))

## 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 SA1457GL Kaman Corporation Aircraft Wheel and Brake, LLC 1160 Center Road Avon, OH 44011 Part 3 Civil Air Regulations 6A1 Gulfstream Aerospace 500, 500-A, 500-B, 500-S, 500-U, 560-A, and 560-E Installation of a Cleveland Nose Wheel in accordance with Parker Hannifin Conversion Kit Parts List 199-174, no revision, dated March 23, 1989, or later FAA Approved revision.

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 between this change and any of the other previously approved modifications...

April 12, 1989 September 17, 2022 March 15, 1990 Paul (Vu) Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 3

SA1457GL 3

SA1457GL Date Reissued: September 17, 2022

(Continued from Page 1: Limitations and Conditions)

will introduce no adverse effect upon the airworthiness of that aircraft.

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

## Every issue (1)

- September 17, 2022: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/42/af/42afe2f1d960351caee5fec3a8ce2341beb94df2ae0549b8ad5c35a407f5fff1)

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