STC SA21GL

Supplemental type certificate · Honeywell International Inc.

Holder
Honeywell International Inc. · United States
Status
Current · Reissued
Status date
June 4, 2007
Applied
March 14, 1973
Product
Aircraft · Single-Engine
Certification basis
Part 21
Data sheets
TCDS3A12TCDS3A13

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.

What it approves

Installation of Grimes multi-plexed anti-collision light system.

What the certificate says

From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.

certifies that the change in the type design for the following product with the limitations and conditions therefor as specified hereon meets the airworthiness requirements specified under the certification basis on the applicable Data Sheets or Aircraft Specifications identified on Approved Grimes Model Eligibility List No. 34-1001.

Install Grimes Multiplexed Anticollision Light System in accordance with the data identified by the Part Number shown on Approved Model Eligibility List No. 34-1001.

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 change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that 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.

Honeywell International Inc.

550 Route 55 Urbana, OH 43078 Make : As shown on Approved Model Eligibility List Model : No. 34-1001.

Date of application : March 14, 1973

Date of issuance : May 9, 1973

Date reissued : May 5, 1988; November 5, 1991; June 4, 2007

( Signature) Charles L. Smalley System & Flight Test Branch Chicago Aircraft Certification Office

( Title)

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 30

MakeModelData sheet
The Cessna Aircraft Company1723A12
The Cessna Aircraft Company172A3A12
The Cessna Aircraft Company172B3A12
See all 30 models