# STC SA1079GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Honeywell International Inc., United States
- Description: Installation of Grimes Floor proximity lighting system P/N 10-1309-67.
- Applied: September 30, 1986
- Status date: June 4, 2007
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS 4A21](https://openairdocs.org/tcds/4A21)
- Certificate PDF: https://openairdocs.org/files/sha256/89/81/8981e81eca8b6c282d0e9fb284d718d2b1afe9a4b743e513fdd5f38fa3e8f017
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/238A85F5CC6053D986257346006A438E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1079GL

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 707-100B Long Body ([TCDS 4A21](https://openairdocs.org/tcds/4A21))

## 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.

550 Route 55 Urbana, OH 43078

Part 4b of the Civil Air Regulations.

(See Type Certificate Data Sheet No. 4A21 for complete certification basis. In addition, compliance with FAR 25.812 (e), Amdt.

25-58, has been demonstrated).

Original Product--Type Certificate Number : 4A21 Make : Boeing Company Model : 707-100B Long Body

Installation of Grimes Floor Proximity Lighting System P/N 10-1309-67, in accordance with Grimes Master Drawing List, MDL 10- 1309, 707 Series, N/C, dated September 24, 1986, and Grimes Engineering Order 10-1309-65, N/C, dated September 30, 1986, or other FAA Approved revision of either of these documents.

1) 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 cha nge and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of these aircraft.

2) If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of application : September 30, 1986

Date of issuance : October 24, 1986 Date reissued : May 5, 1988, November 5, 1991, June 4, 2007

(Signature) Charles L. Smalley Manager, Systems and Flight Test Branch Chicago Aircraft Certification Office

(Title)

## Every issue (1)

- June 4, 2007: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/89/81/8981e81eca8b6c282d0e9fb284d718d2b1afe9a4b743e513fdd5f38fa3e8f017)

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