NTSB investigations: Bell 47D1, CA

45 cases on aircraft the registry lists as Bell 47D1. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Cases per year

19642026
NTSB investigations: Bell 47D1, CA per year, 1964–2026: 45 cases
19644
19652
19663
19674
19682
19692
19702
19711
19721
19731
19741
19753
19763
19771
19783
19802
19811
19871
19881
19921
19941
19951
20041
20051
20112

Latest cases

Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
  WHERE c.\"eventStateOrRegion\" = 'CA' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1180802'))
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

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.

NTSB WPR12LA029Accident · No injuriesLimited investigationFinal reportBell 47D1 · San Diego, CAThe flight instructor's inadequate supervision of the student pilot during a simulated autorotation and the pilots’ failure to use carburetor heat while operating at reduced engine power while in carburetor icing conditions, which resulted in a loss of engine…Nov 8, 2011 · N4251A · Substantial damageNTSB WPR11LA469Accident · Serious injuriesLimited investigationFinal reportBell 47D1 · Ahwahnee, CAThe pilot’s failure to maintain adequate main rotor rpm during the landing approach, which resulted in a loss of control.Sep 27, 2011 · N9158R · Substantial damageNTSB LAX06LA030Accident · Serious injuriesLimited investigationFinal reportBell 47D1 · Rancho Murieta, CAa separation of the tail rotor assembly due to the reverse bending fatigue fracture of a tail rotor pitch change link bolt, resulting in a loss of control of the helicopter, and a hard landing during the uncontrolled descent.Nov 10, 2005 · N16356 · Substantial damageNTSB LAX05LA022Accident · No injuriesLimited investigationFinal reportBell 47D1 · San Martin, CAA loss of power for undetermined reasons.Oct 31, 2004 · N903B · Substantial damageNTSB LAX96FA045Accident · 2 fatalField investigationFinal reportBell 47D1 · Shafter, CAthe pilot misjudged the altitude and ground clearance while performing an unwarranted low altitude flight maneuver.Nov 12, 1995 · N78900 · DestroyedNTSB LAX94LA235Accident · No injuriesLimited investigationFinal reportBell 47D-1 · Chino, CAloss of aircraft control due to the pilot's failure to correctly configure the hydraulic system prior to takeoff.Jun 2, 1994 · N14412 · Substantial damageNTSB LAX93LA010Accident · No injuriesLimited investigationFinal reportBell 47-D1 · El Monte, CAThe pilot's failure to maintain the rotor RPM.Oct 11, 1992 · N162B · Substantial damageNTSB LAX88LA160Accident · No injuriesLimited investigationFinal reportBell 47D1 · Taft, CAApr 13, 1988 · N917B · Substantial damageNTSB LAX87LA294Accident · No injuriesLimited investigationFinal reportBell 47D-1 · Taft, CAThe plt rprtd the eng lost power at about 300' AGL after the helicopter had flown aprx 2.7 hrs without refueling. He initiated an autorotative landing; however, before touchdown, the main rotor blades contacted & severed the tail boom. An exam revealed the…Aug 5, 1987 · N917B · Substantial damageNTSB LAX81FVG21Accident · Minor injuriesClosedBell 47D1 · Chico, CAFeb 28, 1981 · N12512 · DestroyedNTSB LAX80FVG22Accident · No injuriesClosedBell 47D1 · Chico, CAMar 23, 1980 · N12512 · Substantial damageNTSB LAX80FVM17Accident · No injuriesClosedBell 47D1 · Salinas, CAMar 9, 1980 · N78900 · Substantial damageNTSB OAK78FVM46Accident · No injuriesClosedBell 47D1 · Castroville, CASep 17, 1978 · N78900 · Substantial damageNTSB LAX78FUQ25Accident · No injuriesClosedBell 47G · Sylmar, CAMay 4, 1978 · N4702S · Substantial damageNTSB LAX78FVA25Accident · No injuriesClosedBell 47G1 · Buttonwillow, CAFeb 18, 1978 · N9421H · Substantial damageNTSB LAX77FUA06Accident · Minor injuriesClosedBell 47D-1 · Long Beach, CAFeb 23, 1977 · N74120 · Substantial damageNTSB LAX76FUQ32Accident · No injuriesClosedBell 47D-1 · Lancaster, CAApr 7, 1976 · N917B · Substantial damageNTSB OAK76FVG43Accident · No injuriesClosedBell 47D-1 · Sacramento, CAJan 13, 1976 · N2134 · Substantial damageNTSB LAX76FVA18Accident · No injuriesClosedBell 47D-1 · Capistrano, CAJan 1, 1976 · N9673Z · Substantial damageNTSB LAX76FVA15Accident · No injuriesClosedBell 47D-1 · Palos Verdes, CAOct 24, 1975 · N68627 · DestroyedNTSB OAK75FVG66Accident · No injuriesClosedBell 47D-1 · Sacramento, CAMay 13, 1975 · N342L · Substantial damageNTSB OAK75DVM25Accident · No injuriesClosedBell 47D1 · Soledad, CAMar 30, 1975 · N8645G · Substantial damageNTSB LAX75FUA04Accident · No injuriesClosedBell 47D-1 · Seal Beach, CAJul 28, 1974 · N5226 · Substantial damageNTSB OAK73DVG41Accident · No injuriesClosedBell 47D1 · Marysville, CAJan 27, 1973 · N10190 · DestroyedNTSB LAX72DVA60Accident · No injuriesClosedBell 47G · Wasco, CAApr 2, 1972 · N153B · DestroyedNTSB LAX71FUA47Accident · No injuriesClosedBell 47D1 · Long Beach, CAFeb 8, 1971 · N74124 · Substantial damageNTSB LAX71FUQ33Accident · No injuriesClosedBell 47G · Van Nuys, CAOct 20, 1970 · N4702S · Substantial damageNTSB LAX70FUD08Accident · No injuriesClosedBell 47D · Venice, CAMar 18, 1970 · N234B · Substantial damageNTSB LAX70F0171Accident · No injuriesClosedBell 47D1 · Santa Ana, CAOct 10, 1969 · N9673Z · Substantial damageNTSB LAX70D0129Accident · No injuriesClosedBell 47D1 · Shafter, CASep 13, 1969 · N153B · Substantial damageNTSB LAX69F0027Accident · No injuriesClosedBell 47D1 · Crona D Mar, CAJun 21, 1968 · N12512 · Substantial damageNTSB LAX68A0086Accident · Minor injuriesClosedBell 47D1 · Carlsbad, CAMar 9, 1968 · N5511V · DestroyedNTSB OAK68A0045Accident · Serious injuriesClosedBell 47D1 · Antioch, CANov 21, 1967 · N112B · Substantial damageNTSB LAX68A0029Accident · No injuriesClosedBell 47D1 · Long Beach, CASep 8, 1967 · N74119 · Substantial damageNTSB LAX68A0021Accident · No injuriesClosedBell 47D1 · Buttonwilow, CAAug 18, 1967 · N10190 · Substantial damageNTSB OAK67A0071Accident · 3 fatalClosedBell 47D1 · Martinez, CAMar 25, 1967 · N74123 · DestroyedNTSB LAX67A0043Accident · No injuriesClosedBell 47D1 · Fontana, CAOct 31, 1966 · N5166V · Substantial damageNTSB LAX67A0031Accident · No injuriesClosedBell 47D1 · Long Beach, CASep 11, 1966 · N74119 · Substantial damageNTSB LAX67A0026Accident · Serious injuriesClosedBell 47D1 · Quartz Hill, CASep 1, 1966 · N93067 · Substantial damageNTSB OAK66A0022Accident · No injuriesClosedBell 47D1 · Bells Station, CANov 10, 1965 · N68632 · Substantial damageNTSB LAX65A0059Accident · No injuriesClosedBell 47D1 · Granada Hls, CAJan 9, 1965 · N234B · Substantial damageNTSB UNK65X0548Accident · No injuriesClosedBell 47D1 · San Frnando, CANov 3, 1964 · N68627 · Substantial damageNTSB UNK64X2269Accident · No injuriesClosedBell 47D1 · Colusa, CAJun 13, 1964 · N5511V · Substantial damageNTSB UNK64X1689Accident · No injuriesClosedBell 47D-1 · Fullerton, CAMay 9, 1964 · N9421H · Substantial damageNTSB UNK64X1063Accident · Minor injuriesClosedBell 47D1 · Hayward, CAMar 27, 1964 · N201W · Destroyed