# STC SA3723WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Calistoga Soaring Center, United States
- Description: Installation of Electric Glider Tow rope winch
- Applied: February 21, 1978
- Status date: September 15, 1978
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 2A10](https://openairdocs.org/tcds/2A10)
- Certificate PDF: https://openairdocs.org/files/sha256/84/c4/84c4d964a36094d89899b66ee6620143d5eeee7a18bcce321ccb9fc1be84fe62
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C878CA3DDD86B75D862580CE0074DA20.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3723WE

## ADs that name it (0)

None.

## Approved models (1)

- Lavia Argentina S.A. (Laviasa) PA-25-235 ([TCDS 2A10](https://openairdocs.org/tcds/2A10))

## What the certificate says

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

amtro tates of Limenco Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA3723NE This certificate issued to: Calistoga Soaring Center Purt 8.10b f the CiVil Air Regulalions, dated October 11, 1950.

Original Product - Type Bertificate Number: 2A10 Make: Piper Model: PA-25-235, N4405Y, Serial No. 25-4013 only Restricted Category only Description of Type Design Change:

Installation of Electric Glider Tow rope winch in accordance with Calistoga Soaring Center Report No. 801 dated September 5, 1978.

Limilaluns andbundilina: Data not suitable for reproduction of installation in other aircraft; therefore, they are satisfactory for Piper PA-25-235, N4405Y, Serial No. 25-4013 only. No additional modifications of this type are to be approved solely by reference to this Supplemental Type Certificate or to the data submitted therefor.

Date of Application: February 21, 1978 Sale missued:

Date of Issuance: . September 15, 1978 I ate umended:

FEDERA AVIATION OMINI STRATO Chief, Aircraft Modification Branch (Title) 47 FAA FORM 8110-2 (10-68)

## Every issue (1)

- September 15, 1978: Issued, Current. [certificate](https://openairdocs.org/files/sha256/84/c4/84c4d964a36094d89899b66ee6620143d5eeee7a18bcce321ccb9fc1be84fe62)

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