# STC SA01660AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Whelen Aerospace Technologies, United States
- Description: Installation of composite engine cowling with cowl flap.
- Applied: March 18, 1998
- Status date: August 19, 2022
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A3SO](https://openairdocs.org/tcds/A3SO)
- Certificate PDF: https://openairdocs.org/files/sha256/1f/df/1fdfde9e65c5c18d026e201d19b86aab97444d277f4625043c4432e0a9532350
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/550B46EE1BE9BE8B862588A600574D67.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA01660AT

## ADs that name it (0)

None.

## Approved models (3)

- The New Piper Aircraft Inc. PA-32-260 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))
- The New Piper Aircraft Inc. PA-32-300 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))
- The New Piper Aircraft Inc. PA-32-301 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))

## 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.

SA01660AT Whelen Aerospace Technologies 51 Winthrop Road Chester, CT 06412 Part 3 Civil Air Regulations A3SO Piper PA-32-260, -300, -301 Installation of composite engine cowling with cowl flap in accordance with LoPresti Speed Merchants Master Drawing List Report No. 42, Rev IR, dated April 1, 1998 or later FAA approved revision.

This approval should not be extended to other aircraft of the model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will produce no adverse effect upon the airworthiness of that airplane. (Continued on Page 3) March 18, 1998 May 12, 2022, August 19, 2022 June 25, 1998 3

SA01660AT 3

SA01660AT Date of Issuance: January 26, 1996 Reissued: May 12, 2022

This determination should include consideration of significant changes in weight distribution such as an increase in the fixed disposable weight in the fuselage.

Flight Manual Supplement, Report No. 9, Rev. IR, dated June 25, 1998, is an inherent part of this Supplemental Type Certificate. "If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission."

## Every issue (2)

- August 19, 2022: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/1f/df/1fdfde9e65c5c18d026e201d19b86aab97444d277f4625043c4432e0a9532350)
- January 16, 2019: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/d0/32/d032657177c58410080bc15ca284b99f00f3c83492ddf0fed6893674155f36ab)

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