NTSB investigations: Bell 47D1, TX

15 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

19662026
NTSB investigations: Bell 47D1, TX per year, 1966–2026: 15 cases
19661
19671
19691
19702
19711
19721
19732
19751
19772
19811
19841
19881

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\" = 'TX' 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 FTW89DPA03Accident · Serious injuriesFinal reportBell 47-D1 · Allen, TXUnqualified pilot's poor judgement in leveling the helicopter during the flare and contributing to this was his lack of total experience in this type aircraft.Dec 2, 1988 · N74124 · Substantial damageNTSB FTW85LA043Accident · No injuriesLimited investigationFinal reportBell 47D1 · Terlingua, TXShortly after the plt took off on a sight-seeing flt, the eng lost power when the helicopter was over rough terrain at about 200 ft AGL. During an autorotative landing, the helicopter rocked forward causing the main rotor blades to strike the tail boom.…Nov 4, 1984 · N93067 · Substantial damageNTSB FTW81FA045Accident · Minor injuriesClosedBell 47D1 · Roanoke, TXFeb 10, 1981 · N9736Z · Substantial damageNTSB FTW77FRA15Accident · No injuriesClosedBell 47D1 · Houston, TXMar 8, 1977 · N929B · Substantial damageNTSB FTW77FRA13Accident · No injuriesClosedBell 47D1 · Houston, TXFeb 27, 1977 · N9736Z · Substantial damageNTSB FTW76FPA15Accident · No injuriesClosedBell 47D-1 · Irving, TXDec 7, 1975 · N5226 · Substantial damageNTSB FTW74DRA03Accident · Minor injuriesClosedBell 47D1 · Sealey, TXJul 13, 1973 · N9713C · Substantial damageNTSB FTW73FPD37Accident · No injuriesClosedBell 47D1 · Decatur, TXMay 21, 1973 · N74121 · Substantial damageNTSB FTW72DPD40Accident · No injuriesClosedBell 47D1 · Glen Rose, TXMay 8, 1972 · N74121 · Substantial damageNTSB FTW71FRA65Accident · No injuriesClosedBell 47D1 · Alvin, TXJun 14, 1971 · N9713C · Substantial damageNTSB FTW70FPA07Accident · No injuriesClosedBell 47D1 · Howe, TXMar 4, 1970 · N74121 · Substantial damageNTSB FTW70FRG10Accident · No injuriesClosedBell 47D1 · Randolph Afb, TXFeb 14, 1970 · N4229A · Substantial damageNTSB FTW69F0392Accident · No injuriesClosedBell 47D1 · Denton, TXFeb 25, 1969 · N9115R · Substantial damageNTSB FTW67A0105Accident · No injuriesClosedBell 47D1 · Irving, TXApr 24, 1967 · N12512 · Substantial damageNTSB FTW66A0070Accident · Minor injuriesClosedBell 47G · Wetmore, TXFeb 10, 1966 · N586T · Substantial damage