STC SA122CE

Part 4b of the Civil Air Regulations.

Description of Type Design Change: Installation of Hoskins Supplementary Light System consisting of colored Model A (or clear or colored Model E) Wing Tip Lights, a Model C or 2 Tail Light, and optionally, two of Model 2 fuselage lights with M-3 or M-5 power supply.

Data required: Hoskins Specification dated May 1, 1962, December 6, 1965, July 15, 1966, August 1, 1966, or P/N 65-0044 dated March 7, 1968, and P/N 65-0048 dated March 13, 1968. For Hoskins-Twilighter Mk IIIB – Specifications sheets P/N 65-0048-1 pages 1 through 6 and drawings referenced therein. For Hoskins- Twilighter Mk V-B – Specifications sheets P/N 65-0044-1 pages 1 through 6 and drawings referenced therein.

Limitations and Conditions: LIMITATION OF APPLICABILITY. This approval should not be extended to other airplanes 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 the airplane.

BF Goodrich Aerospace Lighting Systems Division 3445 South 5th Street Phoenix, AZ 85040 1A17 Grumman Make :

G-159 Model :

Date reissued : April 10, 1970, April 1, 1990, September 25, 1995, January 1, 1996, September 30, 2011

Date amended : June 20, 1968, November 5, 1969

( Signature) Melvin D. Taylor Manager, Atlanta Aircraft Certification Office

( Title)

Date of application : March 1, 1963

Date of issuance : March 5, 1963