STC SA02853CH

FAA DRS lists SA02853CH as Current · Issued, held by Doubletee Products, for Boeing Airplane Wichita Division 75 (Army PT-13), Boeing Airplane Wichita Division A75 (Army PT-13A; -13B; -13C), and Boeing Airplane Wichita Division A75J1 (Army PT-18), and 9 more aircraft configurations. Recorded change: Installation of an external step on the left hand side of the fuselage. Snapshot dated June 30, 2026.

FAA-listed holder

Doubletee Products

Aircraft configurations

FAA revision date

July 2, 2010

FAA status

Current · Issued

Recorded modification

What the FAA record covers

SA02853CH identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Boeing Airplane Wichita Division 75 (Army PT-13), Boeing Airplane Wichita Division A75 (Army PT-13A; -13B; -13C), and Boeing Airplane Wichita Division A75J1 (Army PT-18), and 9 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

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SA1649CEAircraft structuresRevised Sep 28, 2011

Installation of either the tail safe support angles or a stub spar at the 3% chord station on the root rib of horizontal stabilizer.

FAA holder: D'Shannon Products Ltd.

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SA1650CEAircraft structuresRevised Sep 28, 2011

Installation of either the Tail Safe support angles or a Stub Spar at the 3% chord station on the root rib of the horizontal stabilizer per Smith Speed Conversions Drawing List No. 1006 with an FAA approved date of May 8, 1981, or later.

FAA holder: D'Shannon Products Ltd.

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ST00734DEAircraft structuresRevised Sep 28, 2011

Installation of three (3) fuselage optical window assemblies to support atmospheric research and meteorological observations in accordance with National Center for Atmospheric Research Optical Window Project Drawing List DL-100-09, Revision A, dated May 26, 2010 or later FAA approved revision. This installation is complemented by STC No. ST03056AT that provides the fuselage view port locations for the optical window assemblies.

FAA holder: National Science Foundation

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ST03004NYAircraft structuresRevised Aug 18, 2011

Installation of new MIL-C-5015 connectors at the wing to fuselage interface must be in accordance with Kelowna Flightcraft Ltd.Master Drawing List K116-00002 Revision NC, dated March 20, 2009 or later Transport Canada approved revision.

FAA holder: Kelowna Flightcraft Ltd

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What the FAA record covers

Aircraft named in FAA DRS

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Related aircraft structures STCs

Installation of either the tail safe support angles or a stub spar at the 3% chord station on the root rib of horizontal stabilizer.

Installation of either the Tail Safe support angles or a Stub Spar at the 3% chord station on the root rib of the horizontal stabilizer per Smith Speed Conversions Drawing List No. 1006 with an FAA approved date of May 8, 1981, or later.

Installation of new MIL-C-5015 connectors at the wing to fuselage interface must be in accordance with Kelowna Flightcraft Ltd.Master Drawing List K116-00002 Revision NC, dated March 20, 2009 or later Transport Canada approved revision.