# STC SA4-666

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: McKenzie Flying Service Inc, United States
- Description: Installation of a Grimes D-7080-1-12 rotating beacon.
- Applied: December 10, 1958
- Status date: April 8, 1991
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A15](https://openairdocs.org/tcds/1A15)
- Certificate PDF: https://openairdocs.org/files/sha256/70/38/7038158f195b809ea669d0b9b62f6341c53e0b4e4a4fcee2d34826c3136fe811
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9A31068A62DF367685256CC2000C5F3A.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4-666

## ADs that name it (0)

None.

## Approved models (2)

- Piper Aircraft Inc. PA-24 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))
- Piper Aircraft Inc. PA-24-250 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))

## What the certificate says

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

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number 5A4-666 This certificate issued to: Mckenzie Flying Service, Inc.

Purt 3 of the CiVIT Air Regulations:

Original Product -TypeCertificate Number: 1A15 Make: Piper Model: PA -24, PA -24-250 Description of Type Design Change: Installation of a Grimes -/0-1-12 rotating beacon in accordance with McKenzie Aircraft Repair Instruction Sheet No. 1-00, or later FAA approved revisions.

timilations and bendilions: Approval of this change in type design applies basically to the above model aircraft only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate must be maintained as part of the permanent records for the modified

Date of Application: December 10, 1958 Juk wissued: March 27, 1968; September 27, 1989 April 8, 1991 Date of Issuance: December 10, 1958 Salesmended: October 15, 1982 FEDERAL AVIATIO By direction of the Stopinistrale 9tmie Manager, Aircraft Modification Branch PMINISTRATO Seattle Aircraft Certification Office (Title) 47 FAA FORM 8110-2 (10-68)

## Every issue (1)

- April 8, 1991: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/70/38/7038158f195b809ea669d0b9b62f6341c53e0b4e4a4fcee2d34826c3136fe811)

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