Aircraft STC directory

Boeing DC-7 STCs

The Jun 30, 2026 FAA DRS snapshot contains 5 selected supplemental type certificates with status Current whose public applicability data names the Boeing DC-7. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

listed Current at snapshot

holder directories

modification categories

Mar 6, 2026

latest recorded revision

Modification demand surface

Other aircraft modifications3 Aircraft structures1 Flight controls1

Recorded holders

United Aeronautical Corporation2 Precise Flight Inc1 Aviation Products Systems Inc.1 Boeing Company1

Recently revised DC-7 STCs

Showing the 5 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

SA2622NMOther aircraft modificationsRevised Mar 6, 2026

Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101).

FAA holder: Precise Flight Inc.

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SA2709WEAircraft structuresRevised Apr 15, 2015

Installation of 3000 gallon external retardant tanks under the fuselage at the wing center section.

FAA holder: United Aeronautical Corporation

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SA3015WEOther aircraft modificationsRevised Apr 15, 2015

Installation of LH and RH upper viewing windows above side cockpit windows.

FAA holder: United Aeronautical Corporation

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ST334CHOther aircraft modificationsRevised May 21, 2014

Installation of Superflite 102 fabric.

FAA holder: Aviation Products Systems Inc.

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SA796WEFlight controlsRevised Sep 7, 2010

Wing flap attachments modification. S/Ns 44903, 44904. 45143 thru 45149, 45151 thru 45154, 45356, 45358, 45360, 45482 thru 45490.

FAA holder: Boeing Company

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