# STC SA3341NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Spoilers Inc, United States
- Description: Installation of Spoilers, Inc hydraulically operated wing spoiler system
- Applied: March 12, 1986
- Status date: October 30, 1987
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3)
- Certificate PDF: https://openairdocs.org/files/sha256/cd/b1/cdb12861033ae52f296c031a7f14444bed65bd8eb04ea1eeb56eab7eb576d88f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C868D280A962F60A86257A0100649C41.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3341NM

## ADs that name it (0)

None.

## Approved models (8)

- Mooney Aviation Company Inc M20B ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney Aviation Company Inc M20C ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney Aviation Company Inc M20D ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney Aviation Company Inc M20E ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney Aviation Company Inc M20F ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney Aviation Company Inc M20G ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney Aviation Company Inc M20J ([TCDS 2A3](https://openairdocs.org/tcds/2A3))
- Mooney Aviation Company Inc M20K ([TCDS 2A3](https://openairdocs.org/tcds/2A3))

## What the certificate says

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

Department of Transportation Federal Aviation Administration United States of America Renasui d Supplemental Type Certificate riginal STE Number: SA3341N89 This certificate issued to: Spoilers, INC.

Purt 3 of the CIViI Air Regulations: effective November 1, 1949 Original Product -TypePertificates kumben: 2A} Make: Mooney Model: M20B through M20K Description of Type Design Change:

Installation of Spoilers, Inc. hydraulically operated wing spoiler system in accordance with Spoiler Inc. Installation Instructions Manual No. 19000, dated January 8, 1986, or later FAA Approved Revisions.

Limitations and Conditions: 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 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, No.

SA3341NM, Addendum No. SA3341NM and FAA Approved Flight Manual Supplement shall be maintained as part oi the permanent records of the modiiied aircrait.

Date of Application: March 12, 1986 Dulumised: - October 30, 1987 Date of Issuance: March 20, 1986 Date Amended:

FEDERAL MIATION Assistant Manager Seattle Aircraft OMINISTRATO Certification Office (Title)

*Anita States of Sucric Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number Supplemental Type Certificate ADDENDUM NO. SA3341NH The conditions and limitations of the original Type Certificate No. 243 apply except as follows:

This addendum, which is part of Supplemental Type Certificate No. SA3341NM, prescribes the conditions and limitations under which the STC was issued and meets the airworthiness requirements of the Civil Air Regulations.

Supplemental Type Certificate HOLDER: SPOILER, INC.

**MOONEY MODEL M20B THROUCH M20K, 4PLCM (NORMAL CATEGORY) AS MODIFIED BY SIC SA3341NM.**

Equipment: Mccrey Owner's Manual or Pilot's Operating Handbook and AFMS for. the Spoiler System must be maintained in the airplane at all times.

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

NOTE: In acdition to the Placards and Markings recuired by Type Certificate Data Sheet 2A3, Note 2, apply the following:

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

SPOILER (Continued on Page 4 of 4)

**FAA FORM 8110-2-1 (10-69) PAGE 3 OF 4 PAGES**

Arted States of Sumerica Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number Supplemental Type Certificate NO. SA3341NM (Continued)

(b) The following placard is to be placed in front and in full view of the pilot:

SPOILER OPERATING INSTRUCTIONS & LIMITATIONS See Supplement in Owner's Manual OR Pilot's Operating Handbook NOTE 3: With the described Spoiler 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-

47.

## Every issue (1)

- October 30, 1987: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/cd/b1/cdb12861033ae52f296c031a7f14444bed65bd8eb04ea1eeb56eab7eb576d88f)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.