STC ST12087CH

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: ST12087CH This certificate issued to: Avcon Industries, Inc.

714 N. Oliver Road Newton, KS 67114 Part 25 of the Federal Aviation Regulations Original Product Type Certificate Number: * Description of Type Design Change: Model: * See AML number ST12087CH Installation of Replacement Cabin/Cockpit Handheld Fire Extinguishers in accordance with Avcon Industries, Inc. Master Date List 08801000, Revision A dated August 05, 2025, or later FAA Approved Revision.

1. This STC is applicable to all serial numbers for the Make-Model aircraft appearing on AML ST12087CH.

Date of Application: 05/13/2025 Date Reissued: 09/15/2025 Date of Issuance: 08/21/2025 Date Amended:

Title: Dan Trigg, ODA Administrator StandardAero, Springfield, IL ODA-100079-CE An STC holder who allows a person to use the ST to alter an aircraft, aircraft engine, or propeller must provide that person with written permission acceptable to the FAA. (Ref. 14 CFR 21.120).

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: ST12087CH Effective Date:

The STC's supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the STO older.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST12087CH Effective Date:

Description of Type Design Change: (continued):

The aircraft must be maintained in accordance with FAA accepted Instructions for Continued Airworthiness, for each Make-Model as listed on the FAA AML number ST12087CH, or later FAA Accepted revision, in addition to the basic aircraft maintenance manuals.

Limitations and Conditions: (continued):

2) The installer must determine whether this design change is compatible with previously approved modifications.

3) If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Certification Basis (continued):

See FAA AML number ST12087CH for complete certification basis.

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