STC SA852EA

550 Route 55 Urbana, OH 43078

Part 3 of the Civil Air Regulations.

(See Type Certificate Data Sheet A8EA for complete certification basis).

A8EA Original Product--Type Certificate Number :

Make : Piper Aircraft Corporation Model : PA-31, PA-31-300, PA-31P

Installation of Grimes 555 Series Three Light Strobe Kit P/N 34-0100-1 in accordance with Specification Sheets P/N 34-0100-1 amended May 3, 1971, or later FAA approved revision.

1) Install the following placard, Grimes Part No. 31-1601-1, or other FAA Approved equivalent, in view of the pilot:

“CAUTION TURN OFF STROBE LIGHT WHEN TAXIING NEAR OTHER AIRCRAFT OR WHEN FLYING IN FOG OR CLOUDS. STANDARD POSITION LIGHTS MUST BE USED FOR ALL NIGHT OPERATIONS.”

(See STC Continuation Sheet Page 3)

Date of application : April 14, 1970 Date reissued : May 5, 1988, November 5, 1991, June 4, 2007

Date of issuance : November 19, 1970

Date amended : May 10, 1971

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

( Title)

FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES

Number SA852EA Date Reissued: June 4, 2007

Limitations and Conditions: Cont.

2. This approval should not be extended to other aircraft of these models on which other previously approved modifications are incorporated, unless it is determined by the installer that the interrelationship between this ch ange and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of those aircraft.

3. 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.

…END…