# STC SA5691NM - Type: Supplemental type certificate - Status: Current, Reissued - Holder: STC/Mooney Limited, United States - Description: Installation of Continental TSIO-520-NB engine. - Applied: September 18, 1990 - Status date: May 20, 1994 - Product: Aircraft, Single-Engine - Certification basis: Part 21 - Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3) - Certificate PDF: https://openairdocs.org/files/sha256/eb/00/eb007836bfc96f69e5c1992bb7e68131655aced029027b78173c93401f4126eb - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/083740BBB3B1706885256CC200122ABB.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA5691NM ## ADs that name it (1) - [AD 95-17-06](https://openairdocs.org/ad/95-17-06): Exhaust System · Mooney M20K with STC SA5691NM. Effective Sep 25, 1995. Named in the applicability ## Approved models (1) - Mooney Aircraft Corporation 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. Mata States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA5691NM This certificate issued to: STC/Mooney Limited 6427 E. Rutter Spokane, Washington 99212 Certifies that the change in the type design for the following product with the limitations and conditions therefor as specified hereon meets the airworthiness requivements of Part Os of the Civil Air Regulations, effective November 1, 1049, as amended to May 18, 1954. Original Product Type Certificate Number: 2A3 Make: Mooney Aircraft Corporation Model: M20K Description of Type Design Change: Installation of Continental TSIO-520-NB engine in accordance with Top Drawing List of December 27, 1991, or later FAA approved revision. 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 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 menduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate, Continuation Sheet, and FAA Approved Aircraft Flight Manual Supplement of March 27, 1992, or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft. Date of Application: September 18, 1990 Date Reissued: May 20, 1994 Date of Issuance: April 7, 1992 Date Amended: FEDERAL AVIATION By Direction of the Administrator наст (Signature) HOMINIST RATION Acting Manager, Seattle Aircraft Certification Office (Title) United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA5691NM Limitations and Conditions: continued: Limitations and Conditions: of Type Certificate Data Sheet 2A3 apply except as follows: Engine: Teledyne Continental Motors TSIO-520-NB Engine Limits: For all operations 38 In. Hg at 2650 RPM (305 hp) Propeller: 3AF32C505/82NEA-6.5 Diameter Limit: 76" maximum 74" minimum Airspe / Lumits. Maximum structural Cruising at 2900 to 3017 Ibs. 170 KIAS C.G. Range: 44.3" to 49.1" at 3017 Ibs. (landing gear extended) 43.5" to 49.3" at 2900 Ibs. 40.6" to 49.3" at 2360 Ibs. or less Straight line variation between points given Maximum Weight: 3017 1bs. for take-off 2900 1bs. for landing Fuel Capacity (usable): 70 gal. Oil Capacity: 12 Qts. Maximum Operating Altitude: 24,000 feet - END - **FAA FORM B110-2-1 (10-69) PAGE 3 OF 3 PAGES** ## Every issue (1) - May 20, 1994: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/eb/00/eb007836bfc96f69e5c1992bb7e68131655aced029027b78173c93401f4126eb) --- 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.