# STC SA716NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Logan and Reavis Air Service, United States
- Description: Installation of two Hartzell HC-E3YR-2ATF/FC7663-2R propellers with number D3273P spinners on Lycoming TIO-540-C1A engines
- Applied: January 3, 1979
- Status date: March 13, 1979
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 1A10](https://openairdocs.org/tcds/1A10)
- Certificate PDF: https://openairdocs.org/files/sha256/d7/e4/d7e4c088d58aaaf6328a1c7a9650b1c65fe6e20c87c4de830573049152d77edb
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/432D34786F55FEE986257A4400690744.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA716NW

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. PA-23-250 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SAT16NW This certificate issued to: Logan and Reavis Air Service Purt 3 of the CiviI Air Kuyulatiend., dated November 11, 1949.

Original Product -Lype bertificate Lumber: 1A10 Make: Piper

• Mill: PA-23-250 Description of Type Design Change: Installation of two Hartzell HC-E3YR-2ATF/ FC7663-2R propellers with number D3273P spinners on Lycoming TI0-540-C1A engines in accordance with Logan and Reavis Air Service photographs 1 and

Jimiulin andfilm Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Piper PA-23-250, Serial Number 27-4618 only. A copy of this Certificate, Addendum No. SA716NW, and FAA Approved Airplane Flight Manual Supplement shall be maintained as part of the permanent records for the modified aircraft.

SA716NW The conditions and limitations of Type Certificate Data Sheet Number 1A10 apply except where superseded by the following:

Supplemental Type Certificate Data Sheet, which is part of STC SA716NW, prescribes the conditions and limitations under which the product for which the STC was issued meets the airworthiness requirements of the Civil Air Regulations.

I. PIPER MODEL PA-23-250 (NORMAL CATEGORY) AS MODIFIED BY STC SA716NW Engines: Two Lycoming T10-540-C1A Engine Limits: 250 Hp at 2575 rpm Fuel: 91/96 octane aviation gasoline Propeller and Propeller Limits: Two Hartzell HC-E3YR-2ATF/FC7663-2R Diameter: Not over 76"; Not under 75" 310 Hp @ 2800 rpm - take off and maximum continuous Spinner - Two Hartzell spinners No. D3273P Airspeed Limits: No change from Data Sheet 1A10 Placards: None

- END -

**FAA FORM B110-2-1 (10-69) PAGE 3 OF 3 PAGES C FAA AC 73-2651**

## Every issue (1)

- March 13, 1979: Issued, Current. [certificate](https://openairdocs.org/files/sha256/d7/e4/d7e4c088d58aaaf6328a1c7a9650b1c65fe6e20c87c4de830573049152d77edb)

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