# STC SA588NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Edling, Tyrell, United States
- Description: Installation of a Continental O-200A engine
- Applied: March 3, 1978
- Status date: May 17, 1978
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-691](https://openairdocs.org/tcds/A-691)
- Certificate PDF: https://openairdocs.org/files/sha256/42/47/4247ae4390540421c10a3b7e4dfaadc5ebfce1d30f255e2ff0e4fc74ebc7a2ed
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F4C67A701D47BB5086257A46004D1C55.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA588NW

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. PA-11 ([TCDS A-691](https://openairdocs.org/tcds/A-691))

## What the certificate says

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

United States of America STC Department of Transportation Federal Aviation Administration BooK Supplemental Type Certificate Number: SA588NW This certificate issued to: . TYRELL EDLING Purt 4a of the CIVIl Air Kegulations.

Original Product - Type testificale Number: A691 Make: Piper Mertel: PA-11 Descriplin ype Jesiyn hange: Installation of a Continental 0-200A engine in accordance with Tyrell Edling photographs 1 through 3.

Limitations and Conditions: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Piper PA-1l, S/N 11-244 only. A copy of this certificate and Addendum No. SA588NW shall be maintained as part of the permanent records

Salest appliculin: March 3, 1978 I she reissued:

Date of Issuance: May 17, 1978 Date Amended:

FEDERAL AVIATION ipection of the Slan santo strain (Signature ) POMINISTRATOS Chief, Engineering and Manufacturing Branch (I itle ) 47 FAA FORM 8110-2 (10-68)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) MAY 1 7 1978 Number: SA588NW Supplemental Type Certificate HOLDER: Tyrell Edling Supplemental Type Certificate ADDENDUM NO. SA588NW The conditions and limitations of Type Certificate Data Sheet Number A691 apply except where superseded by the following:

Supplemental Type Certificate Data Sheet, which is part of STC SA588NW prescribes the conditions and limitations under which the product for which the STC was issued meets the airworthiness requirements of the Federal Aviation Regulations:

PIPER PA-11 (LANDPLANE-NORMAL CATEGORY) AS MODIFIED BY STC SA588NW Engine: Continental 0-200A engine Fuel: 80/87 minimum grade aviation gasoline Engine Limits: 100 hp at 2750 rpm Propeller: McCauley 1A101/DCM 6948 Propeller Limits: 2750 rpm; Max. Dia 69 inches;

Min. Dia 67 inches Serial Number Eligible: 11-244 Airspeed Limits: Same as specified in data sheet A691 C. G. Limits: Same as specified in data sheet A691 Maximum Weight: Same as specified in data sheet A691 Powerplant Instrument Markings: Same as specified in engine data sheet E-252-26 (Place a red radial line on the tachometer at 2750 rpm) Placards: Same as specified in data sheet A691

- END -

**FAA FORM 8110-2-1 (10-69) PAGE 30F 3 PAGES FAA AC 73-2651**

## Every issue (1)

- May 17, 1978: Issued, Current. [certificate](https://openairdocs.org/files/sha256/42/47/4247ae4390540421c10a3b7e4dfaadc5ebfce1d30f255e2ff0e4fc74ebc7a2ed)

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