# STC SA1400NW - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Sierra Industries Ltd., United States - Description: Removal of ailerons and install full span flaps, spoiler roll control system, and elevator downspring compensator. - Applied: July 8, 1980 - Status date: July 31, 2017 - Product: Aircraft, Small Airplane - Certification basis: Part 3, Part 21 - Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15) - Certificate PDF: https://openairdocs.org/files/sha256/22/6e/226e0d1e3b52a5a4b4f210c5911c17ed524fe977b33410bfcc9dce231d60b06d - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/79686397247B53F78625871F000937FF.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA1400NW ## ADs that name it (0) None. ## Approved models (2) - Textron Aviation Inc. 36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. A36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) ## 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 4 Reissued on July 31, 2017 to supersede the original STC, which has been lost or misplaced. Number: SA1400NW Part 3 of the Civil Air Regulations, as amended to May 15, 1956 including Amendment 3-8. Original Product – Type Certificate Number: 3A15 Make: Beechcraft Model: Bonanza 36 and A36 Removal of ailerons and installation of full span flaps, spoiler roll control system and elevator downspring compensator in accordance with FAA Sealed Robertson Aircraft Drawing List No. 36. Date of Application: July 08, 1980 Date Reissued: 11/8/84; 10/10/86; 9/8/05; 7/31/17 Date of Issuance: September 18, 1981 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 4 Transfer the ownership of Supplemental Type Certificate Number: SA1400NW 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: SA1400NW FAA Form 8110-2 (5/14) Page 3 of 4 Date of Issuance: September 18, 1981 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 modification are incorporated unless it is determined 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 that aircraft. A copy of this Certificate shall be maintained as part of the permanent records for the modified aircraft. The limitations and conditions of Type Certificate Data Sheet 3A15 apply except as follows: The Addendum which is part of Supplemental Type Certificate No. SA1400NW prescribes conditions and limitations under which the product for which the STC was issued meets the airworthiness requirements of the Civil Air Regulations. A copy of this Addendum shall be maintained as part of the modified aircraft permanent records. SUPPLEMENTAL TYPE CERTIFICATE HOLDER: R/STOL SYSTEMS, INC. MODEL Bonanza 36 and A36 Airspeed Limits: Remain the same, except for: Flaps extended 15° 124 KIAS (143 MPH IAS) 120 KCAS (138 MPH CAS) Flaps extended 30° 104 KIAS (120 MPH IAS) 100 KCAS (115 MPH CAS) C. G. Limits: Remain the same except for: AFT CG Limits: 87.7 inches aft of datum at 3500 lbs or less with straight line variation to 87.2 inches at 3600 lbs. Control Surface Movements: Remain the same except for: SPOILER: **FLAP POSITION CONTROL WHEEL LEFT SPOILER RIGHT SPOILER** Neutral *0° *0° Up Left 61° ± 2° -6.5° ± 2° Right -6.5° ± 2° 61° ± 2° Takeoff Neutral 0° ± 1° 0° ± 1° 15° +2° Left N/A N/A - 1° Right N/A N/A Landing Neutral 0° ± 1° 0° ± 1° 30° + 2° Left 55° ± 2° -15 ± 2° - 0° Right -15° ± 2° 55° ± 2° United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA1400NW FAA Form 8110-2 (5/14) Page 4 of 4 Date of Issuance: September 18, 1981 Date of Reissuance: July 31, 2017 *Left Spoiler travels must be within 1° of the right spoiler. Spoiler control cable tension same as original aileron equipped aircraft. (Ref.) 70°F – 38 lbs. to 48 lbs. **ELEVATOR AND ELEVATOR TAB** **FLAP POSITION ELEVATOR ELEVATOR TAB** Up Up 23° ± 1° Down 20° ± 1° Up 5° ± Down 15° ± 1° Takeoff Up 30° ± 1° Down 20° ± 1° N/A 15° + 2° Landing Up 30° ± 1° Down 20° ± 1° N/A 30° + 2° PILOTS OPERATING HANDBOOK SUPPLEMENT: POHS 36-1 Required for Models 36 and A 36. King KFC 200 Autopilot per STC SA1145 CE is compatible with this modification with the following additional limitations: 1. Servo clutches must be set to the following values: A. Roll Servo: 36 ± 3 lbs. B. Pitch Servo: No Change. C. Pitch Trim Servo: No Change. 2. No limitation on flap settings with autopilot engaged. -END- United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA1400NW FAA Form 8110-2 (5/14) Page 5 of 4 ## Every issue (2) - July 31, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/22/6e/226e0d1e3b52a5a4b4f210c5911c17ed524fe977b33410bfcc9dce231d60b06d) - September 8, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/01/22/0122fdfa718db3c572b9ea0917fdea4f74d3de9e48e9259b1e57c72a7e75d4e2) --- 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.