# STC SA00459WI

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Impact Dynamics, Inc, United States
- Description: Energy absorbing seat.
- Applied: September 29, 1995
- Status date: January 28, 1997
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS 3A17](https://openairdocs.org/tcds/3A17)
- Certificate PDF: https://openairdocs.org/files/sha256/05/ae/05aefe3fe46588b90e03435bd36bff928da0f14eb5a815e0e9a4f5a22470d8d7
- Approved model list and other attachments: [SA00459WI_AML.pdf](https://openairdocs.org/files/sha256/e9/54/e9545c5405f77d67c77c0a7f2488ed317223d67147fb29245a2fd86419b8a32d)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/54F240DD4B49973D85256CC1007DC93E.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA00459WI

## ADs that name it (0)

None.

## Approved models (17)

- The Cessna Aircraft Company 172 ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172A ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172B ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172C ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172F (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172G ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172H (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172I ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172K ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172L ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172N ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172P ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172Q ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172RG ([TCDS 3A17](https://openairdocs.org/tcds/3A17))

## 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: SA00459WI This certificate issued to: Impact Dynamics, Inc.

2610A S. Sheridan Wichita, KS 67217 Part 3 of the Civil Air Regulations plus FAR §23.562, Amendment 23-50; and amendments, special conditions and later rules listed on the Type Certificate Data Sheet.

Original Product - Typo Certificate Number: see attached approved model list Make: see attached approved model list Model: see attached approved model list Description of Type Design Change: Energy absorbing seat per Impact Dynamics, Inc. Crew Seat stallation, Drawing No. 1001, Revision D, dated 01/15/97, or later FAA approved revision.

Limitations and Conditions: Compatibility of this design change with previously approved modifications must be determined by the installer. This installation is approved for normal and utility category.

Date of Application: September 29, 1995 Date Reissued:

Date of Issuance: July 29, 1996 Date Amended: October 17, 1996, January 28,1997 By Direction of the Administrator FEDERAL AVIATION * & Ronald K. Rathgeber lual m. Condits p. (Signature) TOMINISTRATOR Associate ACO Manager, Airframe & Services Wichita Aircraft Certification Office (Title)

### SA00459WI_AML.pdf

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

Impact Dyna....s, Inc. 2610A South Sheridan Wichita, KS 67217 Original Issue Date: 10/17/96 AML Amendment Date 1/28/97 1/28/97 Note 1. CAR 3 plus FAR 23.562 Amendment 23-50 and amendments, special conditions and later rules listed on the Type Certificate FAR Aproves: loual M. indits f.

AFM Supplement Date N/A N/A 1/28/97 FAA APPROVED MODEL LIST (AML) NO. SA00459WI Date:

Instructions Revision Date 1/15/97 1/15/97 Impact Dynamics, Inc. Energy Absorbing Seat Installation Number 1001 1001 for Certification Basis for Alteration see note 1 see note 1 Original Type Certificate Number 3A12 3A17 Aircraft Model 172, 172A through 172Q 172RG Aircraft Make Cessna Cessna Data Sheet.

Item

## Every issue (1)

- January 28, 1997: Amended, Current. [certificate](https://openairdocs.org/files/sha256/05/ae/05aefe3fe46588b90e03435bd36bff928da0f14eb5a815e0e9a4f5a22470d8d7), [SA00459WI_AML.pdf](https://openairdocs.org/files/sha256/e9/54/e9545c5405f77d67c77c0a7f2488ed317223d67147fb29245a2fd86419b8a32d)

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