STC SA00555DE

Number SA00555DE

Aircraft Restoration Corporation 3410 West 1010 South Provo, Utah 84601 This Certificate issued to

Part 23 of the Federal Aviation Regulations.

A20SO; A8EA

Piper

PA-31; PA-31P, PA-31T, PA-31T1, PA-31T2 Original Product Type Certificate Number :

Description of Type Design Change: Replacement of the inboard main landing gear door with an aerodynamic fairing in accordance with Aircraft Restoration Corporation Master Drawing List No. MDL- 85280-01, Revision A, dated June 04, 2004, FAA approved June 21, 2004, or later FAA approved revision.

1. Instructions for Continued Airworthiness, Aircraft Restoration Corporation Report No. ICA-85280-01 dated February 13, 2004, or later FAA accepted revision is required for this installation.

2. This approval should not be ex tended to aircraft of this model on which other previously approved modifications are incorporated unless it is determined th at the interrelationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that 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.

Date of application : September 05, 2003

Date of issuance : June 21, 2004 Date reissued : June 7, 2007, February 21, 2008

( Signature) Manager, Airframe Branch Los Angeles Aircraft Certification Office

( Title)

Number (STC No.)