# STC SH2673SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Heliplane Aircraft Corporation International, United States
- Description: Installation of Fin Tip Plates in accordance with Farrington Aircraft Drawing No. FAC-FIN-1011, Revision A , dated October 13, 1989, and removal of existing Side Slip Warning System.
- Applied: May 24, 1989
- Status date: July 22, 2011
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 1H17](https://openairdocs.org/tcds/1H17)
- Certificate PDF: https://openairdocs.org/files/sha256/55/c0/55c016eefb8857dc8a974dc6897ed707cb6056e34a32e4648d390c2a2fa96761
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4837BF3F518A7485862578EE0069E605.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH2673SO

## ADs that name it (0)

None.

## Approved models (1)

- Air & Space America Inc. 18A ([TCDS 1H17](https://openairdocs.org/tcds/1H17))

## 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.

This certificate issued to

Part 6 of the Civil Air Regulations.

(See T.C. Data Sheet 1H17 for complete certification basis.)

Description of Type Design Change: Installation of Fin Tip Plates in accordance with Farrington Aircraft Drawing No. FAC-FIN-1011, Revision “A”, dated October 13, 1989, and removal of existing Side Slip Warning System.

Limitations and Conditions: The Rotorcraft Flight Manual Supplement, dated January 31, 1990, is a required part of this STC. This approval should not be extended to other aircraft of this 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 aircraft. This determination should include consideration of significant changes in weight distribution such as an increase in the fixed disposable weight in the fuselage.

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.

Heliplane Aircraft Corporation International 1821 North US Highway 1 Ft. Pierce, Florida 34946 1H17 Make : Air and Space Manufacturing, Inc.

Model : 18A Date of application : May 24, 1989

Date of issuance : January 31, 1990

Date reissued : July 22, 2011

( Signature) Melvin D. Taylor Manager, Atlanta Aircraft Certification Office

( Title)

## Every issue (1)

- July 22, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/55/c0/55c016eefb8857dc8a974dc6897ed707cb6056e34a32e4648d390c2a2fa96761)

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