# STC SA892NW - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Sierra Industries Ltd., United States - Description: Addition of fowler wing flaps elevator trim spring with cockpit tension select lever, and fuselage strakes. - Applied: October 16, 1979 - Status date: July 31, 2017 - Product: Aircraft, Small Airplane - Certification basis: Part 3, Part 21 - Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE) - Certificate PDF: https://openairdocs.org/files/sha256/f8/1e/f81eedc22fd586dad180f78dfabf48b1f68ee6dc7e5b3ee9679e7ad2c0270526 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E02162ADC7D51B7C8625871F000788B3.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA892NW ## ADs that name it (1) - [AD 2012-23-01](https://openairdocs.org/ad/2012-23-01): Wings · Cessna 402C and 414A with STC SA892NW or SA927NW. Effective Dec 26, 2012. Named in the applicability ## Approved models (1) - Textron Aviation Inc. 414A ([TCDS A7CE](https://openairdocs.org/tcds/A7CE)) ## 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 3 Reissued on July 31, 2017 to supersede the original STC, which has been lost or misplaced. Number: SA892NW Part 3 of the Civil Air Regulations, dated May 15, 1956. Original Product – Type Certificate Number: A7CE Make: Cessna Model: 414A Addition of Fowler wing flaps, elevator trim spring with cockpit tension select lever, and fuselage strakes in accordance with FAA sealed Robertson Drawing List Number 82. FAA approved Pilot’s Operating Handbook Supplement 82- 1 (POHS 82-1) is required. Date of Application: October 16, 1979 Date Reissued: 10/25/84; 10/10/86; 9/8/05; 7/31/17 Date of Issuance: February 12, 1980 Date Amended: 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 3 Transfer the ownership of Supplemental Type Certificate Number: SA892NW 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: SA892NW FAA Form 8110-2 (5/14) Page 3 of 3 Date of Issuance: February 12, 1980 Date of Reissuance: July 31, 2017 The approval of this change in type design applies basically to the above model aircraft only. Th is approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer 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 th e aircraft. A copy of this Certificate shall be maintained as part of the permanent records for the modified aircraft. The conditions and limitations of Type Certificate Data Sheet No. A7CE apply except as follows: This STC Addendum, which is part of Supplemental Type Certificate No. SA892NW, prescribes conditions and limitations under which the product for which the STC was issued meets the airworthiness requ irements of the Civil Air Regulations. A copy of this STC Addendum is required to be maintained as part of the modified aircraft’s permanent records. VIII - Model 414A (Normal Category) Airspeed Limits (IAS) remain the same except: Flaps Extended 10° 173 KIAS Flaps Extended 30° 125 KIAS Minimum Control Flaps Up 79 KIAS Minimum Control Flaps 10° 73 KIAS Minimum Control Flaps 30° 67 KIAS C. G. Range (Landing Gear Extended) (+153.5) to (+160.0) at 6750 lbs. (+152) to (+160.0) at 5800 lbs. Straight line variation between points given. Control Surface Movements remain the same except: Wing Flaps Takeoff 10° ±1° Wing Flaps Landing 30° +0, -2° Note 1: The placards required by Type Data Sheet A7CE must be displayed plus the changes made by the FAA approved Airplane Flight Manual Supplement, POHS 82-1. -END- United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA892NW FAA Form 8110-2 (5/14) Page 4 of 3 ## Every issue (2) - July 31, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f8/1e/f81eedc22fd586dad180f78dfabf48b1f68ee6dc7e5b3ee9679e7ad2c0270526) - September 8, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/69/f4/69f432ca85f731014d83e03bdef40b905423ffe01a2353688c2233faf65cc098) --- 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.