STC SA02495AK

3758 University Avenue South Fairbanks, AK 99709 Part 3 of the Civil Air Regulations.

Original Product – Type Certificate Number: A20S0 Make: Piper Aircraft, Inc.

Model: PA-31/-300/-325/-350 Description of Type Design Change:

Modified landing gear warning system installed in accordance with the Warbelow’s Air Ventures, Inc. PA-31 Gear Warning Horn Modification Installation Manual and Instructions for Continued Airworthiness, document number WAVSTC-001ICA, Revision 1, dated February 20, 2018, or later FAA approved revision.

1) The installer must determine whether this design change is compatible with previously approved modifications.

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.

3) Airplane Flight Manual Supplement, Warbelow’s Air Ventures, Inc. document number WAVSTC-001POH, Revision Original, dated February 20, 2018, or later FAA approved revision.

(Limitations and Conditions continued on page 3 of 3)

Date of application: July 10, 2017 Date reissued:

Date of issuance: February 23, 2018 Date amended:

(Signature) August A. Asay Manager, Anchorage ACO Branch

(Title)

FAA Form 8110-2-1(10-68) Page 3 of 3

SA02495AK Date of issuance: February 23, 2018 Date reissued:

4) Instructions for Continued Airworthiness, Warbelow’s Air Ventures, Inc., document number WAVSTC-001ICA, Revision 1, dated February 20, 2018, or later FAA accepted revision is required as part of this approval.

Certification Basis:

Type Certificate Number A20SO issued under CAR 3 effective May 15, 1956, through amendment 3-8, effective December 18, 1962.

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