# STC SA2108WE - Type: Supplemental type certificate - Status: Current, Amended - Holder: Madras Air Service, United States - Description: Installation of Madras Air Service wing tips. - Applied: May 13, 1969 - Status date: May 16, 2000 - Product: Aircraft, Single-Engine - Certification basis: Part 21 - Data sheets: [TCDS 3A24](https://openairdocs.org/tcds/3A24) - Certificate PDF: https://openairdocs.org/files/sha256/c7/60/c76090331622dbffd5b6f9953c0d291209c56fe758e621d50b3746259769f223 - Approved model list and other attachments: [SA2108WE-Con.pdf](https://openairdocs.org/files/sha256/93/9f/939f89af65daac2822148754a633f1ff2c4689468f941d66169690b659f33b60) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9EE8C5696532F17385256CC2000159BA.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA2108WE ## ADs that name it (0) None. ## Approved models (8) - The Cessna Aircraft Company 185 ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - The Cessna Aircraft Company 185A ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - The Cessna Aircraft Company 185B ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - The Cessna Aircraft Company 185C ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - The Cessna Aircraft Company 185D ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - The Cessna Aircraft Company 185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - The Cessna Aircraft Company A185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - The Cessna Aircraft Company A185F ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) ## 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. United States of America Department of Transportation_Federal Aviation Administration Supplemental Type Certificate (This is a duplicate to replace the original which was lost. Issued 05/16/00) Number SA2108WE This certificate, issued to MADRAS AIR SERVICE 1914 NW DEMERS DR MADRAS, OR 97741 Part 3 of the Civil Air Regulation,. Original Product⎯Type Certificate Number: 3A24 Make: Cessna Model: 185 through 185F, A185E, A185F Description of the Type Design Change: Installation of Madras Air Service wing tips in accordance with Drawing No. 102, Sheet 1, Revision A, dated October 12, 1972, and Sheet 2, Revision B, dated July 11, 1973, or later FAA approved revisions. Limitations and Conditions: This approval should not be extended to other aircraft of these models 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 will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate and Addendum No. SA2108WE must be maintained as part of the permanent records for the modified aircraft. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission. This certificate and the supporting data which is the ba sis for approval shall remain in effect until surrendered, suspended, revoked, or a termination date is otherwise established by the Administrator of the Federal Aviation Administration. Date of application: May 13, 1969 Date reissued: Date of issuance: February 12, 1970 Date amended: 02/18/70; 08/16/72; 02/21/73; 10/24/73; 11/14/75; 05/16/00 (Signature) Acting Manager, Seattle Aircraft Certification Office (Title) ### SA2108WE-Con.pdf United States of America Department of Transportation_Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SA2108WE Madras Air Service Reissued: Amended: 02/08/70; 08/16/72; 02/21/73; 10/24/73; 11/14/75; 05/16/00 Limitations and Conditions continued : The conditions and limitations of Type Certificate Data Sheet No. 3A24 apply, except as follows: This STC Addendum, which is part of Supplemental Type Certificate No. SA2108WE 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 STC Addendum is required to be maintained as part of the permanent records for the modified aircraft. Supplemental Type Certificate Holder: MADRAS AIR SERVICE I. MODEL 185, 185A, 185B, 185C, 185D AS MODIFIED BY STC SA2108WE Airspeed Limits * Never exceed 196 mph (160 knots) Maximum structural cruising 157 mph (136 knots) Maneuvering 129 mph (112 knots) II. MODEL 185E AS MODIFIED BY STC SA2108WE Airspeed Limits * Never exceed 200 mph (175 knots) Maximum structural cruising 162 mph (141 knots) Maneuvering 132 mph (115 knots) III. MODEL 185F AS MODIFIED BY STC SA2108WE Airspeed Limits * Never exceed 200 mph (175 knots) Maximum structural cruising 162 mph (141 knots) Maneuvering 129 mph (112 knots) IV. MODEL A185E AS MODIFIED BY STC SA2108WE Airspeed Limits * Same conditions and limitations as Model 185E as in II above. These Airspeed Limitations may be used in lieu of the gross weight reductions imposed by the original STC as amended on February 18, 1970. NOTE: 1. Conformity to Madras Air Service Drawing No. 102, Sheet 1, Revision A, dated October 12, 1972, and sheet 2, Revision B, dated July 11, 1972, must be established prior to release of the modified aircraft to Normal Category operation. Any alteration of this certificate is punishable by a fine of not exceeding $1,000, or imprisonment not exceeding 3 years, or both. FAA FORM 8110-2- 1 (10-69) This certificate may be transferred in accordance with FAR 21.47. PAGE 3 OF 4 PAGES United States of America Department of Transportation_Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SA2108WE Madras Air Service Reissued: Amended: 02/08/70; 08/16/72; 02/21/73; 10/24/73; 11/14/75; 05/16/00 Limitations and Conditions continued : NOTE: 2. In addition to the above, the aircraft Weight and Balance Report must be revised as follows at the time of modification. Weight of “Supertips” – 9.5 lbs. Total; deduct the weight of the tips being removed and add the difference to the aircraft empty weight. The moment change is negligible. NOTE: 3. The placards required by Type Certificate Data Sheet No. 3A24, NOTE 2, must be revised as follows: 2.(a)(3) Model 185, 185A, 185B, 185C, 185D, and 185E “Maximum maneuvering speed 129 mph (112 knots)” Model 185E, A185E and A185F “Maximum maneuvering speed 132 mph (115 knots)” - END - Any alteration of this certificate is punishable by a fine of not exceeding $1,000, or imprisonment not exceeding 3 years, or both. FAA FORM 8110-2- 1 (10-69) This certificate may be transferred in accordance with FAR 21.47. **PAGE 4 OF 4 PAGES** ## Every issue (1) - May 16, 2000: Amended, Current. [certificate](https://openairdocs.org/files/sha256/c7/60/c76090331622dbffd5b6f9953c0d291209c56fe758e621d50b3746259769f223), [SA2108WE-Con.pdf](https://openairdocs.org/files/sha256/93/9f/939f89af65daac2822148754a633f1ff2c4689468f941d66169690b659f33b60) --- 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.