TCDS 4A28
STCs approved under this data sheet · 139
Current certificates first, most recently changed first.
Query with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE tcds_number = '4A28') ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number"
Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT s.stc_number, s.description, s.holder, s.status, s.status_date FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE tcds_number = '4A28') ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
STC SA2622NMInstallation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101)STC SA2579WEModify installation of wing tip mounted emblem lightSTC ST00098IBIntroduction of ADS-B OutSTC SA2534SW-DReplacement of Switch assembly Int'l Inflatables Co. P/N 68748, with DME Corp. P/N L-140 in emergency evacuation slide lighting system.STC SA2539SW-DReplacement of light assembly, International Inflatables Co. P/N68555-1 with DME Corp. EL-104, EL-104A, and EL-104B in emergency slide lighting system.STC SA808EAInstallation of inflight motion picture system. Approved for models 720-047B, 707-347C, 707-351C (serial numbers 19773 and 19774 only)STC SA278EASee Document No. Report No. 3187, dated April 18, 1967, Revised January 30, 1969, concerning Inflight Motion Picture System.STC SA1-593Inflight Motion Picture Pallet AssemblySTC SA7076NMInstallation of Stretcher Carrier.STC SA1079WERevision 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.STC SA1169WEInstallation of Cockpit Voice Recorder in accordance with United Airlines Engineering Report No. F-1021, dated June 9, 1965, revised November 9, 1965.STC SA1222WEReplace 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.STC SA1245WEInstallation of either single or dual Collins AL-101 Radio Altimeter Systems in accordance with FAA Approved United Air Lines Report F-1101.STC SA1291WEInstallation of Boeing 720 Forward Lounge Revision (divider)STC SA1396WEInstallation of McMillan Radome P/N 2406 as a replacement for Boeing Radome P/N 65-2040STC SA1447WEBoeing 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.STC SA1553WEInstallation 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.STC SA1619WEInstallation of passenger seats in forward cabin areaSTC SA1628WEInstallation of passenger seats in cabin areaSTC SA2051WEAlternate seating configuration in accordance with FAA Approved United Airlines Drawing List COA 4-1605, or later FAA approved revisionsSTC SA2095WEInstallation of McMillan Radome P/N 2593 as a replacement for Boeing Radome P/N 65-2040, in accordance with FAA Approved United Air Lines Report No. F-1390 dated July 1, 1969.STC SA2206WEInstallation of Bendix Third Attitude Indicator to meet the requirements of 14 CFR § 121.305(j)STC SA2347WEInstallation 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."STC SA260WEApplicable 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.STC SA2744WE-DAlternate 143 passenger seating configuration. (720-022)STC SA2746WE-DAlternate 149 passenger seating configuration. (720-022)STC SA2831WE-DCouple 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.STC SA2833WE-DInstalls 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)STC SA2834WE-D: Alternate 101 passenger seating configuration in accordance with United Air Lines Drawing List No. COA-4-1744 or later FAA approved revisions.STC SA302EAInflight motion picture system.STC SA353WEUnited Air Lines B-720-022 Cabin Interior Arrangement (one class) five abreast seatingSTC SA4-1570The interior arrangements in the applicable aircraft have been revised as indicated by the following United Air Lines documents:
1. 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 )STC SA458WEInstalls 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".STC SA846WEModify cabin interior arrangement to a three-class configurationSTC SA890WEInstallation of a Passenger Entertainment System per United Air Lines Report No. F-991 dated January 28, 1965, revision February 23, 1965.STC SA112NWInstallation of cabin interior arrangement. (720 -22)STC SA3431NMInstallation of a Garrett GTCP-85-98CK auxiliary power unit in the forward baggage compartment. (720-023B)STC ST10209SCInstallation of Dual Innovative Solutions & Support (IS&S) air data display system units.STC SA194NWInstallation of new look interior arrangement. (720-047B)STC SA5971NMInstallation of flame reistant cargo covers.STC ST657SOInstallation 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)STC SA2405WEInstallation of PICO Division pressure regulator P/N 3001 on automatically inflatable emergency evacuation slides in lieu of International Inflatables pressure regulator P/N 68240 and 70003.STC SA2557WEReplacement of existing girt on Air Cruiser evacuation slide P/Ns15D22093-7, 15D22093-11, 15D22094-10 and 15D22454-2 with Sargent Industries/PICO Division girt P/N 6176105-103. (707-347) (720-047)STC SA1241EAInstallation of rear and forward folding stairs.STC ST662SOInstallation of Radome.STC SA2795SWInstallation of removable airstair.STC SA2803SWInstallation of seat support subfloor beams and tracks.STC SA2805SWInstallation of Dual Delco Carousel IVA Inertial Navigation Systems.STC SA4326SWStructural provisions for mid-lavatory service panel.STC SA4015NMModification of the Boeing Model720B airplanes.
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