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Aircraft STC directory

Boeing DC-8-55 STCs

The Jun 30, 2026 FAA DRS snapshot contains 20 selected supplemental type certificates with status Current whose public applicability data names the Boeing DC-8-55. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

20
listed Current at snapshot
10
holder directories
8
modification categories
Mar 6, 2026
latest recorded revision

Modification demand surface

Other aircraft modifications10Safety and emergency equipment3Avionics2Electrical systems1Cargo and special mission1Engine and powerplant1Landing gear and brakes1Cabin and interiors1

Recorded holders

United Airlines Inc9Acron Aviation Inc.2Astronics Luminescent Systems Inc2Precise Flight Inc1Bruce Aerospace Inc.1Pro Star Aviation, LLC1Purolator Facet, Inc1Northrop Grumman Systems Corporation1Airborne Express Air Inc1DeVore Aviation Corporation of America, a New Mexico Corporation1

Recently revised DC-8-55 STCs

Showing the 20 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

SA1034WEAvionics

Installation control and annunciation circuitry to implement Flight Director "Go-Around" command modes in accordance with the UAL FAA approved drawing list dated August 11, 1965, revised August 16, 1965. UAL FAA approved Airplane Flight Manual Supplementary Log of pages as listed.\nType Manual Approved Dated Appendix\nDC-8-21, 31, 32, 33 SM 23889 1-19-60, 3-60, 2-1-60 and V\n 11-28-60 respectively\nDC-8-51, 52, 53 LB 30582 10-10-61, 4-28-61 and 4-28-61 resp. VII\nDC-8-51, 52, 53 LB 30757 1-26-62 IV\nDC-8F-54, 55 LB 31180 1-29-63, 6-19-64 respectively IV.

FAA holder: United Airlines Inc

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SA4-918Landing gear and brakes

1. Aircraft wiring in accordance with Douglas Aircraft Co. Service Change #17 (UAL COA-0-1456) to provide an operational Aircraft Flight Data Rrecorder conforming to CAR Amendment 40-6, paragraph 40.208 with the following additions to assure recording of data during takeoff and landing roll: \na.\tRelay to provide automatic start of recording when nose landing gear reaches airborne condition on takeoff.\nb.\tTime delay relay to turn off recorder one minute after nose landing gear reaches "on ground" condition, on landing.\nc.\tInstallation of standard toggle switch on Systems Engineer's Console, to permit Second Officer to turn on recorder at start of takeoff run.\n2. Install Waste King Flight Data Recorder #5424, TSO-C51.

FAA holder: United Airlines Inc

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