# STC SA1226NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Mary's Peak Aviation, United States
- Description: Installation of a Hoskins C.F.S 1000 computerized fuel system
- Applied: March 13, 1981
- Status date: May 7, 1981
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A3SO](https://openairdocs.org/tcds/A3SO)
- Certificate PDF: https://openairdocs.org/files/sha256/ef/39/ef390d2ee34f68ccffa2a2a5e65cf2cff7489672e737e707403fa0f0eb4d71aa
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4AE72F562E2B0A3E86257A3A006D6BD4.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1226NW

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. PA-32RT-300T ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))

## 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: SA1226NW This certificate issued to: Mary's Peak Aviation Part 3 of the Civil Air Regulations, dated May 15, 1956, as amended by 3-8.

Original Product - Type Certificate Number: A3SO Make: Piper Model: PA-32RT-300T Drawing No. 204197-13. fuel system in accordance with Symbolic Displays, Inc. Installation Instructions Description of Type Design Change: Installation of a Hoskins C.F.S. 1000 computerizec installation in Piper PA-32RT-300T, Serial Number 32R-7887123 only. A copy of permanent records for the modified aircraft. this Certificate and Addendum No. SA1226NW shall be maintained as part of the inadequate for duplication in other aircraft. This approval is limited to the Limitations and Conditions: Data pertaining to this modification are considered

Date of Application: March 13, 1981 Date Reissued:

Date of Issuance: May 7, 1981 Date Amended:

FEDERAL AVIATION Charla Citroela * MINISTRANDS Acting Chief, Seattle Area Aircraft (Signature) Certification Office

47.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) May 7, 1981 Number SAI226NW Supplemental Type Certificate ADDENDUM NO. SA1226NW The conditions and limitations of Type Certificate Data Sheet Number A3S0 apply except where superseded by the following:

Supplemental Type Certificate Data Sheet, which is part of STC SA1226NW, prescribes the conditions and limitations under which the product for which the STC was issued meets the airworthiness requirements of the Civil Air Regulations:

Supplemental Type Certificate HOLDER: Mary's Peak Aviation PIPER PA-32RT-300T AS MODIFIED BY STC SA1226NW Engine: No change Fuel: No change Airspeed Limits: No change Instrument Markings: No change Maximum Weight: No change Placards: A placard must be added in full view of the pilot to read:

**THE HOSKINS MODEL 1000 COMPUTERIZED FUEL**

**SYSTEM SHALL NOT BE USED AS A PRIMARY**

**INDICATION OF FUEL SUPPLY AND USAGE**

- END-

47.

**PAGE 3 OF 3 PAGES C FAA AC 73-2651**

## Every issue (1)

- May 7, 1981: Issued, Current. [certificate](https://openairdocs.org/files/sha256/ef/39/ef390d2ee34f68ccffa2a2a5e65cf2cff7489672e737e707403fa0f0eb4d71aa)

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