SA2579WEAircraft structures
Modify installation of wing tip mounted emblem light.
FAA holder: The Boeing Company
Aircraft STC directory
Boeing 720 Series STCs
The Jun 30, 2026 FAA DRS snapshot contains 31 selected supplemental type certificates with status Current whose public applicability data names the Boeing 720 Series. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
31
listed Current at snapshot
4
holder directories
7
modification categories
Oct 20, 2025
latest recorded revision
Modification demand surface
Cabin and interiors16
Other aircraft modifications9
Aircraft connectivity2
Aircraft structures1
Engine and powerplant1
Avionics1
Cargo and special mission1
Recently revised 720 Series STCs
Showing the 31 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA808EAOther aircraft modifications
Installation of inflight motion picture system. Approved for models 720-047B, 707-347C, 707-351C (serial numbers 19773 and 19774 only).
FAA holder: Burrana Inc.
SA278EAOther aircraft modifications
See Document No. Report No. 3187, dated April 18, 1967, Revised January 30, 1969, concerning Inflight Motion Picture System.
FAA holder: Burrana Inc.
SA1079WECabin and interiors
Revision of Passenger Interior by addition of fabric cargo bins, per FAA Approved United Airlines Drawing List No. COA 4-1222, or later FAA approved revision.
FAA holder: United Airlines Inc
SA1169WEOther aircraft modifications
Installation of Cockpit Voice Recorder in accordance with United Airlines Engineering Report No. F-1021, dated June 9, 1965, revised November 9, 1965.
FAA holder: United Airlines Inc
SA1222WEEngine and powerplant
Replace standard Boeing engine thrust reverser forward pressure seal with improved type shown in United Air Lines drawing 3F-10888 and described in United Air Lines Report F-1010.
FAA holder: United Airlines Inc
SA1245WEAvionics
Installation of either single or dual Collins AL-101 Radio Altimeter Systems in accordance with FAA Approved United Air Lines Report F-1101.
FAA holder: United Airlines Inc
SA1291WEOther aircraft modifications
Installation of Boeing 720 Forward Lounge Revision (divider).
FAA holder: United Airlines Inc
SA1396WEOther aircraft modifications
Installation of McMillan Radome P/N 2406 as a replacement for Boeing Radome P/N 65-2040.
FAA holder: United Airlines Inc
SA1447WECabin and interiors
Boeing 720-22 Alternate Seating Configuration (UAL Change Order Authorization COA 4-1477) per United Air Lines Drawing List No. COA 4-1477 dated July 3, 1967.
FAA holder: United Airlines Inc
SA1553WEOther aircraft modifications
Installation of Fairchild P/N 13920-301 or 15630-601 Flight Data Recorder and Honeywell P/N 180 VI Central Data Computer in accordance with United Air Lines Report F-1171 dated March 21, 1967 and revised December 4, 1967 or later FAA approved revision.
FAA holder: United Airlines Inc
SA1619WECabin and interiors
Installation of passenger seats in forward cabin area.
FAA holder: United Airlines Inc
SA1628WECabin and interiors
Installation of passenger seats in cabin area.
FAA holder: United Airlines Inc
SA2051WECabin and interiors
Alternate seating configuration in accordance with FAA Approved United Airlines Drawing List COA 4-1605, or later FAA approved revisions.
FAA holder: United Airlines Inc
SA2206WEOther aircraft modifications
Installation of Bendix Third Attitude Indicator to meet the requirements of 14 CFR § 121.305(j).
FAA holder: United Airlines Inc
SA2347WECabin and interiors
Installation of Door Mounted Inflatable Evacuation Slide; Sargent Industries P/N 6176700 in accordance with FAA Approved United Airlines Drawing 9F9324 "Slide Installation - Aft Entry/Galley Door.".
FAA holder: United Airlines Inc
SA260WECabin and interiors
Applicable aircraft may be modified to have alternate interior arrangements consisting of 28 four abreast seats or 35 five abreast seats forward of a class divider and 78 six abreast seats aft of a class divider.
FAA holder: United Airlines Inc
SA2744WE-DCabin and interiors
Alternate 143 passenger seating configuration. (720-022).
FAA holder: United Airlines Inc
SA2746WE-DCabin and interiors
Alternate 149 passenger seating configuration. (720-022).
FAA holder: United Airlines Inc
SA2831WE-DAircraft connectivity
Couple EDO Loran System to ADF Sense Antenna instead of Fin Cap (No Fin Cap on UAL B720) in accordance with COA-4-1724 Master Drawing List, ER 2, or later FAA approved revisions. Airplane to be test flown.
FAA holder: United Airlines Inc
SA2833WE-DAircraft connectivity
Installs two HF communications systems per United Air Lines drawing COA 4-1723. The system design is as much like Boeing installation on W. A. L. airplanes as possible but using Aeronautical Engineers Inc. design dual wire antenna systems per drawings AE2257 and AE2264 and South Eastern Region STC No. ST564SO. (720-022).
FAA holder: United Airlines Inc
SA2834WE-DCabin and interiors
: Alternate 101 passenger seating configuration in accordance with United Air Lines Drawing List No. COA-4-1744 or later FAA approved revisions.
FAA holder: United Airlines Inc
SA353WECabin and interiors
United Air Lines B-720-022 Cabin Interior Arrangement (one class) five abreast seating.
FAA holder: United Airlines Inc
SA4-1570Cabin and interiors
The interior arrangements in the applicable aircraft have been revised as indicated by the following United Air Lines documents:\n\n1. 7 rows of First Class seats and 12 rows of Tourist Seats per United Air Lines Drawing 6F-8042 "no change" or (continued on page 3 ).
FAA holder: United Airlines Inc
SA458WECabin and interiors
Installs Crimsco Jet Cargo Container, Part No. 04-005-01, including jet cargo container seat track latch assembly, Part No. 04-005-03 in main passenger compartment as shown on and per the schedules noted on United Air Lines Drawing 15F-2228, Change "B".
FAA holder: United Airlines Inc
SA846WECabin and interiors
Modify cabin interior arrangement to a three-class configuration.
FAA holder: United Airlines Inc
SA890WECabin and interiors
Installation of a Passenger Entertainment System per United Air Lines Report No. F-991 dated January 28, 1965, revision February 23, 1965.
FAA holder: United Airlines Inc
SA5971NMCargo and special mission
Installation of flame reistant cargo covers.
FAA holder: Air Transport International LLC.
ST657SOCabin and interiors
Installation of Mace Galley Model No. 101 in aft passenger compartment and Mace Galley Model No. 102 in forward passenger compartment. (720-023B and 720-030B).
FAA holder: B/E Aerospace