# STC SA6012NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: United Aeronautical Corporation, United States
- Description: Installation of a Champion or Unison engine ignition system
- Applied: April 20, 1992
- Status date: April 15, 2015
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A32NM](https://openairdocs.org/tcds/A32NM)
- Certificate PDF: https://openairdocs.org/files/sha256/29/c9/29c9b14962f77585f57ca23823e7bb223413310cfa4a46022f5505183f0a229e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B9B75F14DDFF9EFE86257E2A0061C0FE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA6012NM

## ADs that name it (0)

None.

## Approved models (1)

- USDA Forest Service P-3A ([TCDS A32NM](https://openairdocs.org/tcds/A32NM))

## 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.

United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate This certificate has been reissued to replace the original certificate report as lost.

This Certificate issued to United Aeronautical Corporation 7360 Laurel Canyon Blvd.

North Hollywood, California 91605 Part 21 of the Federal Aviation Regulations.

A32NM (Restricted Category)

USDA Forest Service

P-3A

Description of Type Design C hange: Installation of a Champion or Unison engine ignition system in accordance with Aero Union Corp. top drawing list/report No. 1294 dated July 22, 1992, or later FAA approved revisions on the following serial number 151361, 151369, 151372, 151387, a nd 151391 airplanes. This ignition system replaces the original equipment Simmonds Precision unit part number s 6887768 or 6805307 used on the Allison model T -56-A- 10W turboprop engine.

Limitations and Conditions : Approval of this change in type design applies to the above -model aircraft only.

This approval should not be extended to aircraft of these models that incorporate any other previously approved change and any other modification will introduce no adverse effect on the airworthiness of these air craft. A copy of this STC must be included in the permanent records of each airplane modified in accordance with this STC. All requirements of USDA Forest Service T. C. Data Sheet No. A32NM are applicable. If the holder agrees to permit another person t o use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of application : April 20, 1992

Date of issuance : April 19, 1993

Date reissued : April 15, 2015

Date amended : October 26, 1993, April 27, 2007

(Signature) Supervisor, Technical & Administrative Support Staff Los Angeles Aircraft Certification Office (Title)

## Every issue (2)

- April 15, 2015: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/29/c9/29c9b14962f77585f57ca23823e7bb223413310cfa4a46022f5505183f0a229e)
- April 27, 2007: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/71/85/718513530bc515e68d092a421c6e1cf0bab3e406e40b78a67d0ad818f09c3c3a)

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