# Douglas C54-DC - Type: Aircraft model (FAA registry) - Registry code: 3021504 - Manufacturer (registry): DOUGLAS - Model: C54-DC - Aircraft type: Fixed wing multi engine - Category: Airplane - Engines: 4 · Reciprocating - Seats: 60 - Weight class: 20,000 lb and over - Cruise speed: 155 mph - Certification: Type certificated - Data sheet: [TCDS A-762](https://openairdocs.org/tcds/A-762) (OpenAirDocs) - Holder: The Boeing Company - Registered aircraft: 0 - Page: https://openairdocs.org/model/douglas-c54-dc 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 2026-13-02](https://openairdocs.org/ad/2026-13-02): Navigation · Airbus Canada Limited Partnership 18, 49-46, 80-A and 555 more. Effective Jul 1, 2026 - [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023 - [AD 2011-12-01](https://openairdocs.org/ad/2011-12-01): Equipment/Furnishings · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 268 more. Effective Aug 1, 2011 - [AD 93-14-12](https://openairdocs.org/ad/93-14-12): Crewmember Protective Breathing Equipment Units · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 201 more. Effective Sep 2, 1993 - [AD 85-23-04](https://openairdocs.org/ad/85-23-04): LH/RH Elevator Trim Tab Inspection · Boeing C54-DC, C54A-DC, C54B-DC and 4 more. Effective Dec 5, 1985 - [AD 47-02-03](https://openairdocs.org/ad/47-02-03): Accumulator · Boeing C54-DC, C54A-DC, C54B-DC and 4 more. Effective Mar 27, 1980 - [AD 77-10-01](https://openairdocs.org/ad/77-10-01): Fire Resistant Prop Feathering System · Boeing C54-DC, C54A-DC, C54B-DC and 4 more. Effective Jun 16, 1977 - [AD 62-26-01](https://openairdocs.org/ad/62-26-01): Operating Restrictions · Boeing C54-DC and DC-4. Effective Jan 8, 1963 - [AD 57-16-01](https://openairdocs.org/ad/57-16-01): Nose Gear Piston Tube · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 56-20-05](https://openairdocs.org/ad/56-20-05): Propeller Operating Limits · Boeing C54-DC, DC-4, DC3-G102 and 3 more - [AD 53-19-01](https://openairdocs.org/ad/53-19-01): Generator Cooling Fan · Boeing C54-DC and DC-4 - [AD 51-09-02](https://openairdocs.org/ad/51-09-02): Hinge Brackets And Bolts · Boeing C54-DC and DC-4 - [AD 49-38-02](https://openairdocs.org/ad/49-38-02): Bolt Replacement · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 49-27-03](https://openairdocs.org/ad/49-27-03): Nose Gear Yoke End And Fittings · Boeing C54-DC and DC-4 - [AD 48-44-01](https://openairdocs.org/ad/48-44-01): Nose Gear Orifice Fitting · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 48-28-02](https://openairdocs.org/ad/48-28-02): Cabin Heater Combustion Ducts · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 48-25-01](https://openairdocs.org/ad/48-25-01): Fire Warning System · Boeing C54-DC and DC-4 - [AD 48-17-04](https://openairdocs.org/ad/48-17-04): Vacuum Pumps · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 48-15-03](https://openairdocs.org/ad/48-15-03): Hydraulic Pressure Regulator Rework · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 48-14-04](https://openairdocs.org/ad/48-14-04): Tailpipe Shroud Deflector · Boeing C54-DC, C54A-DC, C54B-DC and 2 more - [AD 48-12-02](https://openairdocs.org/ad/48-12-02): Nose And Cabin Heater Rework · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 48-12-01](https://openairdocs.org/ad/48-12-01): Fire Prevention Requirements · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 48-09-02](https://openairdocs.org/ad/48-09-02): Electrical Distribution Bus · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 48-09-01](https://openairdocs.org/ad/48-09-01): Fuel Transfer Placard · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 48-06-05](https://openairdocs.org/ad/48-06-05): Control Surface Attachment Rework · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 48-03-02](https://openairdocs.org/ad/48-03-02): Emergency Air Brake · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 48-02-02](https://openairdocs.org/ad/48-02-02): Fire Detector Clamp · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 48-01-01](https://openairdocs.org/ad/48-01-01): Wheel-Retaining Flange · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 47-42-03](https://openairdocs.org/ad/47-42-03): Fire Prevention Changes · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 47-42-02](https://openairdocs.org/ad/47-42-02): Cowling Fire Seal · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 47-42-01](https://openairdocs.org/ad/47-42-01): Gust Lock Rework · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 47-33-01](https://openairdocs.org/ad/47-33-01): Horizontal Stabilizer Outer Hinge Bracket · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 47-27-04](https://openairdocs.org/ad/47-27-04): Exhaust Collector Rings · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 47-27-02](https://openairdocs.org/ad/47-27-02): Spar Web Structure · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 47-16-02](https://openairdocs.org/ad/47-16-02): Flexible Conduit Between the Solenoid and the Firewall Junction Box · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 47-16-01](https://openairdocs.org/ad/47-16-01): Circuit Breaker Switches in Each Nacelle Junction Box · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 47-12-02](https://openairdocs.org/ad/47-12-02): Center Main Bearings · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 47-12-01](https://openairdocs.org/ad/47-12-01): Openings Around the Control Cables and Flap Buss System · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 47-02-06](https://openairdocs.org/ad/47-02-06): Hydraulic Hand Pump Shutoff Valve · Boeing C54-DC and DC-4 - [AD 47-02-05](https://openairdocs.org/ad/47-02-05): Electrical System · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 47-02-04](https://openairdocs.org/ad/47-02-04): Engine Primer Solenoid · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 47-02-02](https://openairdocs.org/ad/47-02-02): Vertical Stabilizer Forward Attach Fitting · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 47-02-01](https://openairdocs.org/ad/47-02-01): Exhaust Collector Rings · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 46-39-05](https://openairdocs.org/ad/46-39-05): Main Fuel Line Supporting Brackets · Boeing C54-DC, C54A-DC, C54B-DC and 3 more - [AD 46-39-04](https://openairdocs.org/ad/46-39-04): Fuel Tank Selector and Crossfeed Valves · Boeing C54-DC, C54A-DC, C54B-DC and 3 more - [AD 46-39-03](https://openairdocs.org/ad/46-39-03): Magneto Wires · Boeing C54-DC, C54A-DC, C54B-DC and 3 more - [AD 46-27-02](https://openairdocs.org/ad/46-27-02): Nose Wheel Brace Strut Collar · Boeing C54-DC, C54A-DC, C54B-DC and 4 more - [AD 46-27-01](https://openairdocs.org/ad/46-27-01): Spar Webs · Boeing C54-DC, C54A-DC, C54B-DC and 3 more - [AD 46-24-02](https://openairdocs.org/ad/46-24-02): Magneto Wires · Boeing C54-DC, C54A-DC, C54B-DC and 3 more - [AD 46-11-03](https://openairdocs.org/ad/46-11-03): Landing Gear Door Stud · Boeing C54-DC, C54A-DC, C54B-DC and 1 more All 51: https://openairdocs.org/model/douglas-c54-dc/ads.md ## Information bulletins (advisory) (1) - [SAIB NM-15-03](https://openairdocs.org/saib/NM-15-03): Flight Controls. Issued Nov 24, 2014 ## 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) (39) 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 SA2622NM](https://openairdocs.org/stc/SA2622NM): Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101). Precise Flight Inc - [STC SA4-492](https://openairdocs.org/stc/SA4-492): Installation of VIP P/N's 104-1-B and 104-1-C engine mount cores. FTG, Inc - [STC SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation - [STC SA01282NY](https://openairdocs.org/stc/SA01282NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830. Airwolf Filter Corporation - [STC ST02468AK](https://openairdocs.org/stc/ST02468AK): Installation of a 3 generator electrical system. Alaska Air Fuels Inc - [STC SA3254WE](https://openairdocs.org/stc/SA3254WE): Nose wheel installation. United Aeronautical Corporation - [STC SA3298WE](https://openairdocs.org/stc/SA3298WE): Bendix wheels and brakes installation. United Aeronautical Corporation - [STC ST334CH](https://openairdocs.org/stc/ST334CH): Installation of Superflite 102 fabric. Aviation Products Systems Inc - [STC SA1-115](https://openairdocs.org/stc/SA1-115): Installation of Chamberlain 1012 Series radomes. Saint-Gobain Performance Plastics Corp - [STC SA1-507](https://openairdocs.org/stc/SA1-507): 2012X Series radomes. Saint-Gobain Performance Plastics Corp - [STC SA8075SW](https://openairdocs.org/stc/SA8075SW): Installation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER). Razorback Fabrics Inc - [STC SA1365GL](https://openairdocs.org/stc/SA1365GL): Surrendered and incorporated into STC ST334CH. Cooper Aviation Supply Company, Inc - [STC SA300CE](https://openairdocs.org/stc/SA300CE): Installation of Woodward propeller governors on single and twin engine aircraft. (PA-31-325 modified per Colemill STC SA 970SO). Woodward Governor Company - [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 SA3648WE](https://openairdocs.org/stc/SA3648WE): New enlarged 12 ft cargo door, new cargo floor, structural cargo crash barrier, modified FS 260 bulkhead relocated main elec junction box partially new DC elec distribution and control system, DC-6 wheels and brakes, misc changes for cargo operations. Consulting Aerospace Engineers Inc - [STC SA3603WE](https://openairdocs.org/stc/SA3603WE): Installation of fire retardant tanks. Waig Aircraft, Inc - [STC SA196SO](https://openairdocs.org/stc/SA196SO): Installation of Wright Military Cyclone R-2600-35 engines (as modified per STC SE610SO or R-2600-35 engines having WAD P/N 417916 or 424010 gear boxes). Charlotte Aircraft Corporation - [STC SA1117WE](https://openairdocs.org/stc/SA1117WE): Wing flap operated aural warning system. Potter Aircraft Svc Inc - [STC SA108SO](https://openairdocs.org/stc/SA108SO): B-600-1 oil separator. Air Carrier Eng Service Inc - [STC SA1183WE](https://openairdocs.org/stc/SA1183WE): RCA AVQ-75 distance measuring equipment (DME). Johnson Flying Svc Inc - [STC SA2IN](https://openairdocs.org/stc/SA2IN): Carrying cargo modification. Aviation Traders Ltd - [STC SA4-1399](https://openairdocs.org/stc/SA4-1399): Ceconite 101 covering of all fabric-covered surfaces. Cooper Engineering Corporation - [STC SA4-163](https://openairdocs.org/stc/SA4-163): Auxiliary fuselage oil tank modification. California Eastern Aviation Inc - [STC SA4-213](https://openairdocs.org/stc/SA4-213): Radio rack in crew compartment. Asiatic Aeronautical Co., Ltd - [STC SA4-317](https://openairdocs.org/stc/SA4-317): Auxiliary oil tank. Transocean Airlines - [STC SA4-365](https://openairdocs.org/stc/SA4-365): Emergency inpact light. Transocean Airlines - [STC SA4-372](https://openairdocs.org/stc/SA4-372): CO and smoke detection system in belly baggage compartments. Twentieth Century Aircraft Co - [STC SA4-414](https://openairdocs.org/stc/SA4-414): Emergency lighting. California Eastern Aviation Inc - [STC SA4-446](https://openairdocs.org/stc/SA4-446): Seat track and passenger seat. Overseas National Airways - [STC SA4-47](https://openairdocs.org/stc/SA4-47): Generator system changed from 100 ampere to 200 ampere. California Eastern Aviation Inc - [STC SA4-488](https://openairdocs.org/stc/SA4-488): Modification of bulkhead, Station 260. Transocean Airlines - [STC SA4-498](https://openairdocs.org/stc/SA4-498): Engine mount core assemblies. Dow-Elco Inc - [STC SA4-540](https://openairdocs.org/stc/SA4-540): C-O-Two smoke detector system in cargo pits. Transocean Airlines - [STC SA4-633](https://openairdocs.org/stc/SA4-633): Bulkhead Station 858 relocated to Station 881. Transocean Airlines - [STC SA4-790](https://openairdocs.org/stc/SA4-790): C-O-Two smoke detector system in main cargo compartment and forward baggage compartment. Transocean Airlines - [STC SA4-843](https://openairdocs.org/stc/SA4-843): Cabin interior seating arrangement revised. Transocean Airlines - [STC SA53SO](https://openairdocs.org/stc/SA53SO): B-500-1 oil separator. Air Carrier Eng Service Inc - [STC SA938WE](https://openairdocs.org/stc/SA938WE): Aural warning device to sound at a 30 degree wing flap position, to be in operation when the landing gear is not down and locked. Johnson Flying Svc Inc - [STC SA1-140](https://openairdocs.org/stc/SA1-140): Cockpit heater and air intake and blower mounting. Butler Aviation --- 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.