# STC SA760NW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries Inc, United States
- Description: Installation of RCA digital weather radar system.
- Applied: January 24, 1979
- Status date: July 31, 2017
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21)
- Certificate PDF: https://openairdocs.org/files/sha256/9d/5d/9d5d037b38a065a0cc5b017b9068fe4cd4a2a653b7f629d34e125578cb3f075e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/281249A56F2FB3BF8625871F00062CDF.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA760NW

## ADs that name it (0)

None.

## Approved models (7)

- Textron Aviation Inc. 210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210M ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. P210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. T210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. T210M ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. T210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))

## 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.

FAA Form 8110-2 (5/14) Page 1 of 2

Reissued on July 31, 2017 to supersede the original STC, which has been lost or misplaced.

Number: SA760NW

Part 3 of the Civil Air Regulations, dated May 15, 1956.

(See TC Data Sheet 3A21 for amendments)

Original Product – Type Certificate Number: 3A21 Make: Cessna Model: T210N, 210N, T210L, 210L, T210M, 210M, P210N

Installation of RCA digital weather radar system in accordance with Robertson Aircraft sealed Drawing List No. 80.

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

Date of Application: January 24, 1979 Date Reissued: 11/8/84; 10/10/86; 9/8/05; 7/31/17 Date of Issuance: May 03, 1979 Date Amended: 7/24/79; 9/11/79

Signature

Title Jim Grigg Manager, Fort Worth A CO Branch, Compliance & Airworthiness Division Sierra Industries, Ltd.

122 Howard Langford Drive Uvalde, TX 78801

FAA Form 8110-2 (5/14) Page 2 of 2

Transfer the ownership of Supplemental Type Certificate Number: SA760NW

To (Name and address of transferee)

From (Name and address of grantor)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA18NW

FAA Form 8110-2 (5/14) Page 3 of 3

## Every issue (2)

- July 31, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/9d/5d/9d5d037b38a065a0cc5b017b9068fe4cd4a2a653b7f629d34e125578cb3f075e)
- September 8, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/ec/b1/ecb1faa38589edd62785ba975228de9380eaf50465f9b192fc11380e738f6574)

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