# Boeing 377 SG - Type: Aircraft model (FAA registry) - Registry code: 1382722 - Manufacturer (registry): BOEING - Model: 377 SG - Aircraft type: Fixed wing multi engine - Category: Airplane - Engines: 4 · Turbo-prop - Seats: 92 - Weight class: 20,000 lb and over - Cruise speed: 263 mph - Certification: Type certificated - Data sheet: [TCDS A-812](https://openairdocs.org/tcds/A-812) (OpenAirDocs) - Holder: Aero Spacelines Incorporated - Registered aircraft: 0 - Page: https://openairdocs.org/model/boeing-377-sg Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 56-01-02](https://openairdocs.org/ad/56-01-02): Wing Spar Splice Bolt Holes · Aero Spacelines 377, 377MG and 377SGT - [AD 55-09-01](https://openairdocs.org/ad/55-09-01): Magnetic Circuit Breaker · Aero Spacelines 377, 377MG and 377SGT - [AD 53-05-01](https://openairdocs.org/ad/53-05-01): Propellers Slip Rings · Aero Spacelines 377, 377MG, 377SGT and 6 more - [AD 52-15-01](https://openairdocs.org/ad/52-15-01): Reversing Solenoid Circuits · Aero Spacelines 377, 377MG and 377SGT - [AD 52-12-01](https://openairdocs.org/ad/52-12-01): Compressor Motors · Aero Spacelines 377, 377MG and 377SGT - [AD 51-27-02](https://openairdocs.org/ad/51-27-02): Wheel Assemblies · Aero Spacelines 377, 377MG and 377SGT - [AD 49-06-04](https://openairdocs.org/ad/49-06-04): Altitude Compensating Bellows · Aero Spacelines 377, 377MG and 377SGT - [AD 55-15-01](https://openairdocs.org/ad/55-15-01): Propeller Feathering Lines · Aero Spacelines 377, 377MG and 377SGT - [AD 50-40-01](https://openairdocs.org/ad/50-40-01): Nose Gear Spindle · Aero Spacelines 377, 377MG and 377SGT Historical (superseded or no longer in force): - [AD 74-08-09 R2](https://openairdocs.org/ad/74-08-09-R2) (historical): Waste Receptacles · Aero Spacelines 377, 377MG, 377SGT and 268 more. Effective Jul 29, 1996 ## Registered aircraft None registered with this model now. ## NTSB investigations None matched to aircraft with this model. ## FAA accident and incident reports None matched to aircraft with this model. ## STCs that may be installed (OpenAirDocs) (21) Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC SA4503NM](https://openairdocs.org/stc/SA4503NM): Remove original cloth covering and install Ceconite covering. Ceconite Division of Poly-Fiber Inc - [STC SA4005NM](https://openairdocs.org/stc/SA4005NM): Precise Flight Inc. Pulselite Control System. Precise Flight Inc - [STC SA1739WE](https://openairdocs.org/stc/SA1739WE): Enlarge and lengthen fuselage, increase wing span by installation of new center section, and other modifications. (377 S/N 15937). ELSINORE LP - [STC SA1351WE](https://openairdocs.org/stc/SA1351WE): Replace existing fabric on wings, fuselage, empennage, and/or control surfaces, with Ceconite101 material. (262A Series -12). Ceconite Inc - [STC SA916WE](https://openairdocs.org/stc/SA916WE): Removal of galley door on right-hand side of fuselage between stations 1090 and 1120. Stringers extended across existing opening with additional 'skin' to cover opening. Jones Opal E - [STC SA29SO](https://openairdocs.org/stc/SA29SO): Cargo loading door in upper forward section of main cabin and relocation of lower forward cargo door. Jones Opal E - [STC SA3-34](https://openairdocs.org/stc/SA3-34): Propeller reverse control circuit revision. Northwest Airlines Inc - [STC SA3-73](https://openairdocs.org/stc/SA3-73): Revise Minneapolis-Honeywell turbo- supercharger control system. Northwest Airlines Inc - [STC SA4-175](https://openairdocs.org/stc/SA4-175): Hamilton Standard 34E60/7015-2 propellers and increase in take-off and landing weights. Pan American World Airways Inc - [STC SA4-384](https://openairdocs.org/stc/SA4-384): Deterjet DJ-1015E valve between governor and nose cap mounting pad. Pan American World Airways Inc - [STC SA4-416](https://openairdocs.org/stc/SA4-416): Deterjet DJ-1015E valve between governor and nose case mounting pad. Pan American World Airways Inc - [STC SA4-429](https://openairdocs.org/stc/SA4-429): Full flow oil filter 31024A with element 1A0099. Winslow Aerofilter Corp - [STC SA4-709](https://openairdocs.org/stc/SA4-709): Passenger cabin interior and weight reduction modification. Pan American World Airways Inc - [STC SA4-717](https://openairdocs.org/stc/SA4-717): Removal of No. 3 generator system and one refrigeration system. Pan American World Airways Inc - [STC SA4-842](https://openairdocs.org/stc/SA4-842): Conversion of British Overseas Airways Corp. Boeing 377, and communications and navigation equipment changes. Transocean Airlines - [STC SA473WE](https://openairdocs.org/stc/SA473WE): Front upper spar cap and rear upper and lower spar caps reinforcement. Jones Opal E - [STC SA501WE](https://openairdocs.org/stc/SA501WE): Ceconite 101 covering of ailerons, elevators and rudder. Cooper Engineering Corporation - [STC SA875WE](https://openairdocs.org/stc/SA875WE): Cargo door added between fuselage stations 678 and 822 (left side aft of wing). Jones Opal E - [STC SA1-248](https://openairdocs.org/stc/SA1-248): Radio equipment. Flight Enterprises Intl Aircraft Svcs Inc - [STC SA1-250](https://openairdocs.org/stc/SA1-250): Incorporation of STC SA4-175 without weight increase. Flight Enterprises Intl Aircraft Svcs Inc - [STC SA1-323](https://openairdocs.org/stc/SA1-323): Galley service door to emergency exit door. Flight Enterprises Intl Aircraft Svcs Inc ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Boeing 377](https://openairdocs.org/model/boeing-377): 0 registered aircraft, registry code 1382702 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.