# STC SA4980NM - Type: Supplemental type certificate - Status: Current, Amended - Holder: Micro AeroDynamics Inc, United States - Description: Installation of vortex generators on the wing and vertical stabilizer. (310H S/N 0001-0148) (310G S/N 0001-0156) (310I S/N 0001-0200) (310J S/N 0001-0200) (310Q S/N 0001-0900; 0901 AND ON) (T310Q S/N0001-0900; 0901 AND ON) - Applied: June 20, 1990 - Status date: October 2, 1998 - Product: Aircraft, Small Multi-Engine - Certification basis: Part 21 - Data sheets: [TCDS 3A10](https://openairdocs.org/tcds/3A10), [TCDS 3A25](https://openairdocs.org/tcds/3A25) - Certificate PDF: https://openairdocs.org/files/sha256/40/7d/407dfe0ea118e366005bfec3121273505a4753463884b9107bb643efa88a3e54 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C607F15759FC7F1285256CC2000E401C.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA4980NM ## ADs that name it (0) None. ## Approved models (18) - The Cessna Aircraft Company 310G ([TCDS 3A10](https://openairdocs.org/tcds/3A10)) - The Cessna Aircraft Company 310H ([TCDS 3A10](https://openairdocs.org/tcds/3A10)) - The Cessna Aircraft Company 310I ([TCDS 3A10](https://openairdocs.org/tcds/3A10)) - The Cessna Aircraft Company 310J ([TCDS 3A10](https://openairdocs.org/tcds/3A10)) - The Cessna Aircraft Company 310K ([TCDS 3A10](https://openairdocs.org/tcds/3A10)) - The Cessna Aircraft Company 310L ([TCDS 3A10](https://openairdocs.org/tcds/3A10)) - The Cessna Aircraft Company 310N ([TCDS 3A10](https://openairdocs.org/tcds/3A10)) - The Cessna Aircraft Company 310P ([TCDS 3A10](https://openairdocs.org/tcds/3A10)) - The Cessna Aircraft Company 310Q ([TCDS 3A10](https://openairdocs.org/tcds/3A10)) - The Cessna Aircraft Company 310R ([TCDS 3A10](https://openairdocs.org/tcds/3A10)) - The Cessna Aircraft Company 320B ([TCDS 3A25](https://openairdocs.org/tcds/3A25)) - The Cessna Aircraft Company 320C ([TCDS 3A25](https://openairdocs.org/tcds/3A25)) - The Cessna Aircraft Company 320D ([TCDS 3A25](https://openairdocs.org/tcds/3A25)) - The Cessna Aircraft Company 320E ([TCDS 3A25](https://openairdocs.org/tcds/3A25)) - The Cessna Aircraft Company 320F ([TCDS 3A25](https://openairdocs.org/tcds/3A25)) - The Cessna Aircraft Company T310P ([TCDS 3A10](https://openairdocs.org/tcds/3A10)) - The Cessna Aircraft Company T310Q ([TCDS 3A10](https://openairdocs.org/tcds/3A10)) - The Cessna Aircraft Company T310R ([TCDS 3A10](https://openairdocs.org/tcds/3A10)) ## What the certificate says This is OCR from the scanned FAA certificate. OCR can misread letters and numbers. STL BaCK United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA4980NM This certificate issued to: Micro AeroDynamics, Inc. 4000 Airport Road, Suite D Anacortes, WA 98221 Part * of the * Regulations. Original Product -Type Certificate Number: *See attached Approved Model List (AML) Make: No. SA4980NM for list of approved aircraft Model: models and applicable airworthiness regulations. Description of Type Design Change: Installation of vortex generators on the wing and vertical stabilizer in accordance with drawing lists per attached AML. Option 1: No change in airspeeds; AFMS not required. Option 2: Reduced VMCA; AFMS required. Option 3: No change in airspeeds; SAFM required. (Applies to 310G, 310H, 310l and 310J airplanes only) Limitations and Conditions: Approval of this change in type design applies to the aircraft models listed on AML No. SA4980NM only. 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, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. This STC is compatible with Colemill STC No. SA2207SO on Cessna Model 310R only. A copy of this Certificate, AML SA4980NM, and FAA Approved Airplane Flight Manual Supplement (option 2 only) Supplemental Airplane Flight Manual (Option 3 only) must be maintained as part of the permanent ecords 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 the permission. Date of Application: June 20, 1990 Date Reissued: - Date of Issuance: September 18, 1990 Date Amended: 02/21/91; 11/06/91; 11/19/93; 02/09/94, 04/25/98; 02/14/97; 10/02/98 FEDERAL AVIATION regtion of the sIdministr Emer (Signature) * MINIST RATION Acting Manager, Seattle Aircraft Certification Office (Title) AML AMENDMENT DATE 11/19/93 2/9/94 4/25/95 FAA APPROVED MODEL LIST (AML) NO. SA4980NM X GENERATORS Issue Date: March 22, 1988 REVISION NO. AFM SUPPLEMENT AND DATE NO. & DATE I.R./6/30/90 C3 10R-Supp-1 Sept. 14, 1990 "F" 2/4/94 C3 10K-SUPP-1,1/27/91 C310Q-SUPP-1, " "J" 2/4/94 C310Q-SUPP-2, " T3 10P-SUPP-1, T310Q-SUPP-1, T310Q-SUPP-2, " MA2022, 11/19/93 MA2021, 2/9/94 C320D-AFMS-1,11/5/91 G 9/7/94 C320E-AFMS-I K 9/7/94 C320B-SUPP-1,4/25/95 Adrian FAA Approved: Manager, Special Certification Branch Seattle Aircraft Certification Office Reissued: April 8, 1994; April 25. 1995 FOF INSTALLATION OF VOL MICRO AERODYNAMICS CORP. FAA SEALED DRAWING/ DRAWING LIST NO. DL-310R DRAWING PACKAGE # MA2018 INSTALLATION MANUAL # MA2019 Page 1 ol CERT. BASIS FOR ALTERATION Part 3, CAR's PART 3, CAR'S PART 3, CAR's ORIGINAL TYPE CERT. NO. ЗА10 3А25 ЗА25 AIRCRAFT MODEL 310R/T310R 310K thru P 310Q S/N 0001-0900 310Q S/N 0901 & on T310P T310Q S/N 0001-0900 T310Q S/N 0901 & on 3101 S/N 0001-0200 310J S/N 0001-0200 310G SN 0001-0156 310H S/N 0001-0148 320D 320E & F 320B/320C AIRCRAFT MAKE Cessna ## Every issue (1) - October 2, 1998: Amended, Current. [certificate](https://openairdocs.org/files/sha256/40/7d/407dfe0ea118e366005bfec3121273505a4753463884b9107bb643efa88a3e54) --- 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.