N43872Douglas DC-6
Safety record in brief:No NTSB accidents or incidents since 1982No ADs since 1998 matched54 service difficulty reports
Registration
FAA Aircraft Registry · Oct 17, 2026- Registered owner
- Alaska Aviation Museum
- Owner type
- Corporation
- City, state
- Anchorage, AK
- Certificate issued
- May 8, 2021
- Expires
- May 31, 2028
- Airworthiness
- Standard · Transport
- Airworthiness date
- Mar 4, 1980
We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.
Airframe & engine
FAA Registry + type dataAirframe
- Manufacturer
- Douglas
- Model
- DC-6
- Serial number
- 53-3294
- Aircraft type
- Fixed wing multi engine
- Category
- Land
- Certification
- Type Certificated
- Seats
- 96
- Engines
- 4
- Max takeoff weight
- 20,000 and over lb
- Mode S code
- A5443E
Engine
- Type
- Reciprocating
Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history
Ownership history from FAA records- 2021 – nowAlaska Aviation MuseumAnchorage, AK · current
- 1950 – 1956Individual ownerPittsfield, MA · different airframe: Taylorcraft Bc12-D S/N 7531
Individual owners are shown by city and state only.
Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 17, 2026 · SDRs · Oct 16, 2026NTSB events (0)
No NTSB accidents or incidents found for this airframe since 1982.
ADs published since 1998 that may apply (0)
These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.
No ADs published since 1998 matched this airframe or engine model.
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (54)
Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.
- Ignition · spark plug · failedAug 22, 2007
NR 4 ENGINE SHUT DOWN DUE TO CONTINUOUS BACKFIRE IN CLIMB. INSPECTION REVEALED NO CRACKED CYLINDERS, FRONT CAM NO DEFECT. COMPRESSION TEST OF NR 12 CYLINDER CHECKED GOOD, NR 12 EXHAUST VALVE GUIDE CHECKED GOOD IAW PURDUE DC-6 MM MB31-3-1 (7). MULTIPLE SPARK PLUGS FOUND WITH EXCESSIVE GAP. NR 8R…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Reciprocating engine · cylinder · burnedFeb 10, 2007
NR 4 ENGINE SHUT DOWN DUE TO NR 18 CYLINDER FAILURE. REMOVED AND REPLACED NR 18 CYLINDER DUE TO BURN THROUGH ON SIDE OF CYLINDER, REF: DC-6MM SECT V PG 16 AND 16A, CHECKED GOOD.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Reciprocating engine · cylinder · crackedFeb 7, 2007
NR 1 ENGINE WOULD NOT TAKE A LEAN IN CRUISE FLIGHT. PERFORMED PRECAUTIONARY SHUTDOWN. REMOVED AND REPLACED NR 16 CYLINDER DUE TO CRACKED HEAD, REF: NAC DC-6MM SEC V, PG 16. RUN UP CHECKED GOOD, NO LEAKS.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reportsShow fewer reports
- Reciprocating engine · valve · failedJan 31, 2007
NR 1 ENGINE BACKFIRED AND WOULD NOT HOLD A LEAN. ANALYZER PATTERN FOR NR 8 CYLINDER FRONT AND REAR ABNORMAL, SHOWS LOW COMPRESSION. ENGINE SHUT DOWN. NR 8 CYLINDER FRONT AND REAR HAD LOW COMPRESSION DUE TO VALVE FAILURE. FURTHER INSPECTION RESULTED IN THE DISCOVERY OF A FRONT CAM FAILURE INDUCED…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Ignition · distributor · shortedJan 5, 2007
NR 2 ENGINE BACK FIRING, SUSPECT NR 11 CYLINDER REARS. ENGINE WAS UNABLE TO TAKE LEANING. FOUND PART OF A BROKEN BRUSH WEDGED BETWEEN INNER AND OUTER SEGMENT PLATES OF LEFT DISTRIBUTOR. REPLACED FAULTY DISTRIBUTOR WITH SERVICEABLE UNIT. REF: DAC DC-6 LMM SEC II CH 6-10-2, GROUND RUN CHECKED GOOD.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Reciprocating engine · engine · failedAug 23, 2006
NR 3 ENGINE SHUTDOWN DUE TO RAPID OIL LOSS DURING CLIMB. REPLACED ENGINE DUE TO INTERNAL FAILURE, REF: NAC DC-6MM SEC. V. PG. 1-9.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Reciprocating engine · cylinder · crackedJun 1, 2006
NR 2 ENGINE SHUT DOWN DUE TO LOW COMPRESSION INDICATION ON NR 2 CYLINDER. REPLACED NR 2 CYLINDER DUE TO CRACKED HEAD.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Reciprocating engine · cylinder · crackedNov 11, 2005
NR 2 ENGINE SHUT DOWN DUE TO RUNNING ROUGH AND WILL NOT TAKE A LEAN. FOUND NR 2 ENGINE NR 1 CYLINDER WITH CRACKED HEAD. REPLACED NR 1 CYLINDER IAW DC-6MM SECTION V, PG 16 & 16A. OP CHECKED GOOD.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine · shaft · shearedOct 21, 2005
NR 3 ENGINE SHUTDOWN ON GROUND UPON TAXI-IN DUE TO EXCESSIVE OIL LEAK. CAUSE OF EXCESSIVE OIL LEAKAGE WAS DUE TO A SHEARED LOWER SHAFT SECTION OF THE NOSE CASE OIL SCAVENGE PUMP. THE UPPER PORTION WAS STILL INTACT DISPLAYING GOOD PRESSURE AND GOOD BMEP. THE ENGINE WAS REPLACED DUE TO FRONT CAM…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Reciprocating engine · cylinder · failedMar 8, 2005
NR 1 ENGINE SHUT DOWN AFTER BACKFIRING IN CRUISE AND COULD NOT RE-LEAN. REPLACED NR 10 CYLINDER DUE TO EXHAUST VALVE FAILURE. OP AND LEAK CHECK GOOD. COMPRESSION CHECK OF NR 15 CYLINDER GOOD, REPLACED WITH NEW SPARK PLUGS.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Showing the 10 most recent of 54 reports.
Sources
- FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 17, 2026
- NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
- FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 17, 2026
- FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026