# STC SA04144NY

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Avpro Technical Services LLC, United States
- Description: Restricting the aircraft to six (6) seats (2 at 95, 2 at 132, 2 at 195, *1 at 242) for operation under 14 CFR Part 68 (BasicMed).
* - Optional potty seat is exempt from this requirement, providing that it is placarded THIS SEAT NOT TO BE
OCCUPIED FOR TAXI, TAKE-OFF OR LANDING
- Applied: January 26, 2018
- Status date: September 7, 2018
- Product: Aircraft, Small Airplane
- Certification basis: Part 21, Part 68
- Data sheets: [TCDS A20SO](https://openairdocs.org/tcds/A20SO)
- Certificate PDF: https://openairdocs.org/files/sha256/d0/08/d00860138069515887df250783b0124a31138476c39929ef145cdba82cfc8877
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B580C50000C3BC1A862583140052C407.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA04144NY

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. PA-31-350 ([TCDS A20SO](https://openairdocs.org/tcds/A20SO))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

FAA Form 8110-2 (5/14) Page 1 of

Part of the

Signature

Title SA04144NY Avpro Technical Services LLC 52 Bayview Ave., Aprt # 5 Northport, NY 11768 Federal Aviation Regulations.

1. Restricting the aircraft to six (6) seats (2 at 95, 2 at 132, 2 at 195, *1 at 242) for operation under 14 CFR Part 68 (BasicMed).

* - Optional potty seat is exempt from this requirement, providing that it is placarded “THIS SEAT NOT TO BE OCCUPIED FOR TAXI, TAKE-OFF OR LANDING”

2. Maintenance must be in accordance with Avpro Technical Services LLC, Instructions for Continued Airworthiness, document No. ICA-PA31, Revision IR, dated 5/29/18.

3. Operation must be in accordance with Avpro Technical Services LLC, Airplane Flight Manual Supplement, AFMS-PA31, Revision IR, FAA approved August 21, 2018

1. Operation of the aircraft is limited to an altitude that is no more than 18,000 feet above mean sea level (MSL).

2. Maximum take off weight is limited to 6,000 lbs.

3. You cannot use descriptive data about this design change to duplicate other products. This approval is limited to only the installation made in Piper Model PA-31-350, Serial No. 31-8152114. This STC does not permit manufacturing of parts for multiple installations.

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

Raymond H. Reinhardt Acting Manager New York ACO Branch Piper Aircraft, Inc.

PA-31-350 January 26, 2018 September 7, 2018 A20SO 2

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee)

From (Name and address of grantor)

2 SA04144NY

## Every issue (1)

- September 7, 2018: Issued, Current. [certificate](https://openairdocs.org/files/sha256/d0/08/d00860138069515887df250783b0124a31138476c39929ef145cdba82cfc8877)

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