STC SA5900NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA5900NM This certificate issued to: Aeronautical Testing Service, Inc.

Purt 3 otheCivil Air Regulations.* Original Product -Type Certificate Number: ATCE Make: Cessna Model: See AML Description of Type Design Change: Installation of a vortex generator system to improve the low speed performance, in accordance with Drawing List ATS-414, Revision A, dated September 30, 1992, or later FAA approved revision.

Option 1: No change in VcA and stall speeds and no take-off weight increase; no AFMS required.

Option 2: Reduced YMcA and stall speeds and take-off weight increase; AFMS required per AML.

Note: For model 414 aircraft only, this STC is compatible with RAM STC's SA2354SW, Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to other 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, and Approved Model List dated January 29, 1993, must be maintained as part of the permanent This ces pod and the sif eding dads which is the bas for appral shall emuin in affel until sur rendered, suspended, veroked, or a lermination date is atherwise established by the Sidministrater of the Federal Aviation Administration .

Date of Application: JUTY 16, 1992 Jule vissued:

Date of Issuance: January 29, 1993 Date Amended:

FEDERAL VIATION lien of the Sidministratin as 10 Manager/ Special Celication Branch TAMIN STRATO Seattle Aircraft Certification Office (Tille)

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