STC SA3471WE

FAA DRS lists SA3471WE as Current · Reissued, held by Staggerwing Museum Foundation Inc., for Raytheon Aircraft E18S. Recorded change: Modification for increase in maximum weight approved for model E-18S, serial number BA20. Snapshot dated June 30, 2026.

FAA-listed holder

Staggerwing Museum Foundation Inc.

Aircraft configurations

FAA revision date

August 12, 2005

FAA status

Current · Reissued

Recorded modification

What the FAA record covers

SA3471WE 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: Raytheon Aircraft E18S. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Raytheon Aircraft E18SA-765

Buyer checks

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SA02854NYAircraft performanceRevised Mar 14, 2018

Gross weight increase for use with floats to be accomplished.

FAA holder: Acorn Welding Ltd.

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ST11178SCAircraft performanceRevised Feb 27, 2018

Structural modifications necessary for the increase in maximum gross takeoff weight from 26,900 lbs to 29,000 lbs for STC SA3820SW - converted Douglas DC3C aircraft (specific models listed).

FAA holder: Braddick USA LLC

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SA904SWAircraft performanceRevised Jan 19, 2018

Installation of Mach Airspeed Warning Switch.

FAA holder: Associated Air Center, Inc. - c/o CT Corporation System

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SA00061MC-DAircraft performanceRevised Dec 20, 2017

This STC has no configuration change. Performance flight tests were performed to reduce conservatism in the airplane flight manual, as documented in L-3 Flight Manual Supplement dated 22 April 2011 or later FAA/ODA approved revision.

FAA holder: L-3 Communications Integrated Systems LP

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What the FAA record covers

Aircraft named in FAA DRS

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Related aircraft performance STCs

Gross weight increase for use with floats to be accomplished.

Structural modifications necessary for the increase in maximum gross takeoff weight from 26,900 lbs to 29,000 lbs for STC SA3820SW - converted Douglas DC3C aircraft (specific models listed).

Installation of Mach Airspeed Warning Switch.

This STC has no configuration change. Performance flight tests were performed to reduce conservatism in the airplane flight manual, as documented in L-3 Flight Manual Supplement dated 22 April 2011 or later FAA/ODA approved revision.