# STC SA1393WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Swift Air Service, United States
- Description: ONE ONLY STC, SN 1205: Installation of Hamilton Standard 22D30/6531A-15 hyrdromatic propellers in lieu of Hamilton Standard 22D30/6181A-6 Hydromatic propellers.
- Applied: April 10, 1967
- Status date: April 10, 1967
- 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/sha256/78/51/7851be655214736c24c1dc34474b5403086a26bb1f6e9a655cff54d2f66f66fa
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/060E2D7F4CF04638862576000050F3FE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1393WE

## 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.

75 - 102 Federal Aviation Agency Supplemental Type Certificate Number S11393WE This certificate issued to: Air Terminal Building Swift Air Service Lindbergh Field San Diego, California KaNXXXXXXs testamENKX KyaNKX effective as amended October 1, 1934.

Original Product - Type Bortificate Number: TC 616 Make: LOCKHEED Model: 12A, N1001B, Serial 1205 Description of Type Design Change:

Installation of Hamilton Standard 22D30/6531A-15 hydromatic propellers in lieu of Hamilton Standard 22D30/6181A-6 hydromatic propellers in accordance with Swift Air Service Report No. SAS-R31467.

Diameter Limits: Maximum: 99-3/8"; Minimum: 981" Pitch Setting at 42" Station: Low 13°; High 86°.

LITATION OF APPLICALIT. Data not BULbo fOr 20% LIMITATION OF APPLICABILITY. Data not suitable for reproduction of installation in other aircraft; therefore, they are satisfactory for Lockheed 12A, N1001B, Serial 1205 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: March 14, 1967 Date Reissued:

Date of Issuance: April 10, 1967 Date Amended:

By Direction of the Administrator Original sighed Dy ROCCO L. LIPPIS (Signature ) Acting Chief, Aireraft Engineering Division

47.

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

## Every issue (1)

- April 10, 1967: Issued, Current. [certificate](https://openairdocs.org/files/sha256/78/51/7851be655214736c24c1dc34474b5403086a26bb1f6e9a655cff54d2f66f66fa)

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