STC SA1611NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA1611NM This certificate issued to: Aero-Air, Inc.

Certifies that the change in the type design for the filling freduct with the limitations and conditions therefor as specifed horeon meets the airworthiness requirements f Purt 3 the Civil Air Regulations.

Original Product -Typobertificate Number: 2A4 Make: Gulfstream American Model: 695 Description of Type Design Change: Installation of Hartzel! HC-B3TN-5NL/LT 10673B-2Q propellers on AiResearch TPE 331-10-501K engines in accordance with Aero-Air Master Drawing List dated December 23, 1981.

Limitatiniand banditune: Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to 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, Addendum, and FAA Approved POH Supplement shall be maintained as part of the permanent records for the modified aircratt

Date of Application: January 22, 1982 I ate missued:

Jute of insurance: April 16, 1982 Sule amended:

*EDERAL AVIATION By dinetin of the SIdministuter (Signature ) TOMINIST RAID Chief, Seattle Area Aircraft Certification Office (Title)

47.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) April 16, 1982 Number: SA1611NM Supplemental Type Certificate ADDENDUM NO. SA1611NM The conditions and limitations of Type Certificate Data Sheet 2A4 apply except where superseded by the following:

Supplemental Type Certificate Data Sheet, which is part of STC SA1611NM, prescribes the conditions and limitations under which this installation meets the airworthiness requ rements of the Civil Air Regulations.

Supplemental Type Certificate Holder: Aero-Air, Inc.

Gulfstream American Model 695, 11 PCLM (Normal Category) Modified April 16, 1982.

Propellers and Hartzell HC-B3TN-5NL/LT10673B-2Q Propeller Limits: Pitch settings at 30" Station: Low 13.5 +

0.2°, feather 90 ‡ 0.5°, Reverse -8 + 0.50.

Equipment: In addition to the FAA Approved Pilot's Operating Manual, the POH Supplement associated with this STC is required.

NOTE:

This propeller installation results in a 10 percent performance loss.

For example, takeott, accelerate/stop distances are increased lu percent while climb performance is reduced 10 percent. Other performance data is to be adjusted accordingly per POH Supplement.

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FORM 8110-2-1 (10-69) PAGE 3 OF 3 PAGES C FAA AC 73-2651