# STC SA1860WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Harold S. Firth, United States
- Description: ONE ONLY STC, SN 1229: Installation of Goodyear Wheels and Brakes
- Applied: July 9, 1968
- Status date: January 15, 1969
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS TC 616](https://openairdocs.org/tcds/TC%20616)
- Certificate PDF: https://openairdocs.org/files/sha256/77/33/77337b1d9d4fb5dd50bffe9fedd2016a015a6b740bfb77055c94f9aa17ae0640
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/17BB6617D8DD295086257600007157B2.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1860WE

## ADs that name it (0)

None.

## Approved models (1)

- Lockheed Aircraft Corporation 12-A (Army UC-40; UC-40A) ([TCDS TC 616](https://openairdocs.org/tcds/TC%20616))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Federal Aviation Agency Supplemental Type Certificate Number: SA1860WE This certificate issued to: Harold S. Firth 285 Mountain Trail Avenue Sierra Madre, California 91024 SEES SAved Original Product - Typebertificate Number: TC-626 Make: LOCKHEED Model: 12-A, N18137, Serial No. 1229 Description of Type Design Change:

Installation of Goodyear wheels and brakes in accordance with Harold Firth Report No. 3114 dated December 19, 1968.

Data not suitable for reproduction of installation in other aircraft; therefore, they are satisfactory for Lockheed 12-A, N18137, Serial No. 1229 only. No additional modifications of this type are to be approved solely by reference to this Supplemental Type Certificate or to the data submitted therefor.

Date of Application: JULy 9, 1968 Date Reissued:

Date of Issuance: JAN 1 5 1969 Date Amended:

By Direction of the Administrator Original signes by ROCCO: L. LIPPIS (Signature ) Cicting Chief, Aircraft Engineering Division (Title)

**FAA FORM 8110-2 (1-66) 0052-657-6000**

## Every issue (1)

- January 15, 1969: Issued, Current. [certificate](https://openairdocs.org/files/sha256/77/33/77337b1d9d4fb5dd50bffe9fedd2016a015a6b740bfb77055c94f9aa17ae0640)

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