# STC SA718NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Flight Structures Inc., United States
- Description: Installation of seat tracks in main cabin floor
- Applied: November 7, 1978
- Status date: February 23, 1979
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-723](https://openairdocs.org/tcds/A-723)
- Certificate PDF: https://openairdocs.org/files/sha256/25/6a/256af52b82037d8d7c8b1b773f846287cd7782ff49abb6532f8d2174967ae55d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E2B512F69B0353F886257A44006B6452.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA718NW

## ADs that name it (0)

None.

## Approved models (1)

- Lockheed Aircraft Corporation 18 ([TCDS A-723](https://openairdocs.org/tcds/A-723))

## 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: SA718NW This certificate issued to: FLIGHT STRUCTURES, INC.

Certifies that the change in the type design for the filling praduct with the limitations and conditions therefor as specified heren meds the wirethiness requirements f Purt 4b of the CIVIl Air Hequlaliuns., and Type Certificate Data Sheet A-723.

Original Product -Type bertificate Numbar: A- 723 Make: Lockheed Miatel: 18 Learstar Description of Type Design Change:

Installation of seat tracks in main cabin floor in accordance with FAA sealed Flight Structures Drawing 78FS038 Rev. D.

Jimilalin andlundilma: The approval for this change in type design applies basica to the above model aircraft only. This approval should not be extended to otner a craft of this model on which other previously approved modifications are incorpora unless it is determined that the interrelationship between this change and any oth previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. The resulting interior arrangement, along with the rendered, suspended, renked, or a terminali dule is therarise estuldished by the oldministrator of the Federal Aviation Administration .

Date of Application: November 7, 1978 Take missad Sale of issunn February 23, 1979 Date Amended:

EDERAL AVIATION By dincti

0. 2.. Rigger POMINISTRATO Acting Chief, Engineering and Manufacturing Branc (Title) 47 FAA FORM 8110-2 (10-68)

## Every issue (1)

- February 23, 1979: Issued, Current. [certificate](https://openairdocs.org/files/sha256/25/6a/256af52b82037d8d7c8b1b773f846287cd7782ff49abb6532f8d2174967ae55d)

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