# STC SA3371NM - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Spoilers Inc, United States - Description: Installation of Spoilers, Inc. hydraulically operated wing spoiler system. - Applied: January 28, 1986 - Status date: October 30, 1987 - Product: Aircraft, Single-Engine - Certification basis: Part 21 - Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21) - Certificate PDF: https://openairdocs.org/files/sha256/8c/b8/8cb8f84cf8a1545de3ce120777da3a06c2864fda3e7d142f74b4d3a8727c02ac - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/276D4F7285B27B5F862579D70067F269.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA3371NM ## ADs that name it (0) None. ## Approved models (19) - Cessna Aircraft Company 210G ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Cessna Aircraft Company 210H ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Cessna Aircraft Company 210J ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Cessna Aircraft Company 210K ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Cessna Aircraft Company 210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Cessna Aircraft Company 210M ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Cessna Aircraft Company 210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Cessna Aircraft Company 210R ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Cessna Aircraft Company P210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Cessna Aircraft Company P210R ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Cessna Aircraft Company T210F ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Cessna Aircraft Company T210G ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Cessna Aircraft Company T210H ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Cessna Aircraft Company T210J ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Cessna Aircraft Company T210K ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Cessna Aircraft Company T210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Cessna Aircraft Company T210M ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Cessna Aircraft Company T210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) - Cessna Aircraft Company T210R ([TCDS 3A21](https://openairdocs.org/tcds/3A21)) ## 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: SA3371NM This certificate issued to: Spoilers, Inc. Turt 3 If the Civil Air Regulations. effective May 15, 1956 Original Product - TypeBertificates lumber: 3A21 Make: Cessna Model: 210G through T210R Description of Type Design Change: Installation of Spoilers, Inc. hydraulically operated wing spoiler system in accordance with Spoiler Inc. Installation Instructions Manual No. 20000, dated May 5, 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. SA3371NM, Addendum No. SA3371NM and FAA Approved Flight Manual Supplement shall be i canades pate up pening anchora for a rods a air fel unlil sum sendered, suspended, revcked, or a termination date is otherwise established by the Adminis trater of the Federal Aviation Administration . Date of Application: January 28, 1985 Dutemissued: October 30, 1987 Datesfiasuanco: May 23, 1986 Date Amended: FEDERAL AVIATIO By Direction of the Administrator TOMIMISTEANOE Assistant Manager, Certification Office Seattle Aircraft (Tille) "Arical States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number Supplemental Type Certificate ADDENDUM HO. SA33711M The conditions and limitations of the original Type Certificate No. 3A21 apply except as follows: This addendum, which is part of Supplemental Type Certificate No. SA3371NM, prescribes the conditions and limitations under which the SIC was issued and meets the airworthiness requirements of the Civil Air Regulations. Supplemental Type Certificate HOLDER: SPOILER, INC. CESSNA MODEL 210, T210 & P210 SERIES & 6PLCM (NORMAL CATEGORY) AS MODIFIED BY STC SA3371NM. Equipment: Cessna 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 addition to the Placards and Markings required by Type Certificate Data Sheet 3A21, 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) 47. **PAGE3 OF 4 PAGES** *Faited States of Sacric Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number Supplemental Type Certificate NO. SA3371HM (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 Cessna airplane. -END- **FAA FORM 8110-2-1 (10-69) PAGE 4 OF 4 PAGES** ## Every issue (1) - October 30, 1987: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/8c/b8/8cb8f84cf8a1545de3ce120777da3a06c2864fda3e7d142f74b4d3a8727c02ac) --- 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.