What it approves
Install Hoskins Twilighter MK III Supplementary lighting system with Model E, F or P wing tip and Model C tail lights.
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.
Part 4b of the Civil Air Regulations.
Description of Type Design Change: Installation of Hoskins Twilighter Mark III Supplementary Lighting System with Model “E, F or P” Wing Tip and Model “C” Tail Lights.
Data Required: Hoskins Specifications Sheets 1 through 6 Dated July 12, 1966 and Drawings listed thereon.
Limitations and Conditions: LIMITATION OF APPLICABILITY. This approval should not be extended to other specific airplanes of these models on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those previously approved modifications will introduce no adverse effect upon the airworthiness of the airplanes.
BF Goodrich Aerospace Lighting Systems Division 3445 South 5th Street Phoenix, AZ 85040 A1SW 723 LTC 13 Howard Lockheed Lockheed Make :
500 18 & Learstar PV-1 Model :
Date reissued : October 17, 1974, April 01, 1990, September 25, 1995, January 31, 1996, September 30, 2011
( Signature) Melvin Taylor Manager, Atlanta Aircraft Certification Office
( Title)
Date of application : July 12, 1966
Date of issuance : August 29, 1966
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.