# STC SA721NW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: AAR Aircraft Services Inc, United States
- Description: Installation of camera bays.
- Applied: January 16, 1979
- Status date: March 5, 1999
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A25CE](https://openairdocs.org/tcds/A25CE)
- Certificate PDF: https://openairdocs.org/files/sha256/71/27/71271daaff85f17fcb64708aed15fac3c03b3f348c2ceadef3be0a4ace5b508f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/23D09D52104227D386257FD1007BB62F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA721NW

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 404 ([TCDS A25CE](https://openairdocs.org/tcds/A25CE))

## 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 SAT2INW This certificate issued to: AAR Aircraft Services, Inc.

DBA: AAR Aircraft Services-Oklahoma 6611 South Meridian Oklahoma City, OK 73159-1104 Part 23 of the Federal Aviation Regulations.

Original Product Type Certificate Number : A25CE Make: Cessna Model: 404 Description of Type Design Change:

Installation of camera bays in accordance with Western Skyways, Inc. Drawing Number WS3201948.

Approval of this change in type design applies to the above model aircraft only.

This approval should not be extended to aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate and Addendum No. SA721NW shall be maintained as part of the permanent records for the modified aircraft.

Date of Application: January 16, 1979 Date Reissued: 7/15/80; 7/22/88; 3/5/99 Date of Issuance: February 23, 1979 Date Amended: JUly 15, 1980 EDERA AVIATION By on of the Administrator sauce Cr (Signature)

5. Frances Cox, Manager TOMINSTRATO Special Certification Office, Southwest Region (Title) 47

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA121NW Date of Issuance: February 23, 1979 Reissuance Date: March 5, 1999 Limitations and Conditions: (Continued):

Supplemental Type Certificate ADDENDUM NO. SA721NW The conditions and limitations of Type Certificate Data Sheet Number A25CE apply except where superseded by the following:

Supplemental Type Certificate Data Sheet, which is part of STC SA721NW, prescribes conditions and limitations under which the product for which the STC was issued meets the airworthiness requirements of the Federal Aviation Supplemental Type Certificate HOLDER: AAR Aircraft Services, Inc., DBA: AAR Aircraft Services-Oklahoma I. CESSNA MODEL 404 (STANDARD AND RESTRICTED) AS MODIFIED BY STC SA721NW All items of Data Sheet A25CE are applicable to the Standard or Restricted Category, except Vne = 220 Knots.

NOTE: Restricted Category approval for the Special Purpose of Aerial Survey (photography, mapping, oil and mineral exploration).

If the optional camera door package is installed, place this placard near the pilot's camera door switch in full view of the pilot:

**CAMERA DOOR LIMITATIONS**

OPEN DOOR IN LEVEL FLGIHT ONLY Vne DOOR OPEN - 180 KNOTS Vne DOOR CLOSED - 220 KNOTS

- END-

FAA Form 8110-2-1 (10-69) Page 3 of 3

INSTKUCTIONS: The transfer endorsement below may be used to notify the appropriate FAA Regional Office of the transfer of this Supplemental Type Certificate.

The FAA will reissue the certificate in the name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ZIP code) from (Name of grantor) (Print or type) (Address of grantor) (Number and streel) (Cil. State, and ZIP code ) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- March 5, 1999: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/71/27/71271daaff85f17fcb64708aed15fac3c03b3f348c2ceadef3be0a4ace5b508f)

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