# STC SA2174NM

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Precise Flight Inc, United States
- Description: Installation of Precise Flight speedbrake system.
- Applied: November 7, 1983
- Status date: November 7, 2003
- Product: Aircraft, Single-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3)
- Certificate PDF: https://openairdocs.org/files/sha256/84/21/842136ecb1610bdff64dfb05800218fe1b8abfc7ea9192ef60d13fc5df1fa26d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E4A28C6E48CDA05986256DF9004FE8BB.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2174NM

## ADs that name it (0)

None.

## Approved models (8)

- Mooney Aircraft Corporation M20B ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney Aircraft Corporation M20C ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney Aircraft Corporation M20E ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney Aircraft Corporation M20F ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney Aircraft Corporation M20G ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney Aircraft Corporation M20J ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney Aircraft Corporation M20K ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney Aircraft Corporation M20M ([TCDS 2A3](https://openairdocs.org/tcds/2A3))

## 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.

United States of America Department of Transportation_Federal Aviation Administration Supplemental Type Certificate Number SA2174NM This certificate, issued to Precise Flight, Inc.

63354 Powell Butte Road Bend, OR 97701 Part 3 of the Civil Air Regulations, effective November 1, 1949.

Original ProductType Certificate Number: 2A3 Make: Mooney Model: M20B, C, E, F, G, J, K, and M

Description of the Type Design Change: Installation of Precise Flight Speedbrake System in accordance with Precise Flight, Inc. DRC Speedbrake Installation Instructions Manual, Report No. 122, or later FAA approved revisions.

NOTE: The Descent Rate Control (DRC) System has been renamed the Speedbrake System (SBS).

Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to other aircraft of these models on which other previously approved modifications are incorporated unless it is determined that the relationship 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, Continuation Sheet, and FAA approved Airplane Flight Manual Supplement, dated November 23, 1983, or later FAA approved revisions, must be maintained as part of the permanent records for the modified aircraft.

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.

Date of application: November 7, 1983 Date reissued:

Date of issuance: November 23, 1983 Date amended: 5/24/84; 7/11/84; 7/24/84; 12/7/84;

9/13/89; 8/15/89, 6/25/91; 11/7/03

(Signature) Acting Manager, Seattle Aircraft Certification Office (Title)

Number SA2174NM Precise Flight, Inc.

Reissued:

Amended: 5/24/84; 7/11/84; 7/24/84; 12/7/84;

9/13/89; 8/15/89, 6/25/91; 11/703

Limitations and Conditions(cont’d): The conditions and limitations of the original Type Certificate 2A3 apply except as follows:

This Continuation Sheet, which is part of Supplemental Type Certificate No. SA2174NM, prescribes the conditions and limitations under which the STC was issued and meets the airworthiness requirements of the Civil Air Regulations.

I. MOONEY MODELS M20B, C, E, F, G, J, K, and M, 4PLCM (NORMAL CATEGORY AS MODIFIED BY STC SA2174NM.

EQUIPMENT: Mooney Owner’s Manual or Pilot’s Operating Handbook and AFMS for the DRC/SBS System must be maintained in the airplane at all times.

Note 1: Current weight and balance report, including list of equipment in the certified empty weight, must be in the aircraft.

Note 2: In addition to the Placards and Markings required by Type Certificate Data Sheet 2A3, Note 2, apply the following:

a. The following placard is to be located at the circuit breaker panel:

**SPEEDBRAKE**

b. The following placard is to be near the Speedbrake Control Switch:

**SPEED BRAKE PUSH**

**TO DEPLOY**

or

**SPEEDBRAKE**

FAA FORM 8110-2- 1 (10-69) PAGE 3 OF 4 PAGES United States of America

Number SA2174NM Precise Flight, Inc.

Reissued:

Amended: 5/24/84; 7/11/84; 7/24/84; 12/7/84;

9/13/89; 8/15/89, 6/25/91; 11/7/03

Limitations and Conditions(cont’d):

c. One of the following placard is to be in front and in full view of the pilot:

SPEED BRAKE EQUIPPED: FOR OPERATING INSTRUCTIONS AND LIMITATIONS SEE SUPPLEMENT IN OWNER’S MANUAL OR PILOT’S OPERATING HANDBOOK OR DESCENT RATE CONTROL FOR OPERATING INSTRUCTIONS AND LIMITATIONS:

SEE SUPPLEMENT IN OWNER’S MANUAL OR PILOT’S OPERATING HANDBOOK

d. If the standby vacuum system is installed, the following placard should be placed in front of and in full view of the pilot:

THIS AIRCRAFT IS EQUIPPED WITH PRECISE FLIGHT, INC. STANDBY VACUUM SYSTEM. REFER TO AFM OR PILOT’S OPERATING HANDBOOK FOR OPERATING INSTRUCTIONS.

NOTE 3: With the described DRC/SBS System Installation, performance will be at least equal to or better than that given in the Owner’s Manual or Pilot’s Operating Handbook for the Mooney airplane.

- END -

**FAA FORM 8110-2- 1 (10-69) PAGE 4 OF 4 PAGES**

## Every issue (1)

- November 7, 2003: Amended, Current. [certificate](https://openairdocs.org/files/sha256/84/21/842136ecb1610bdff64dfb05800218fe1b8abfc7ea9192ef60d13fc5df1fa26d)

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