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NTSB investigations: Texas Helicopter OH-13H/M74A

28 cases on aircraft the registry lists as Texas Helicopter OH-13H/M74A. 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.

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Cases per year

19782026

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Query with SQL

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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8930105')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8930105'))
  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.

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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8930105'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

NTSB CEN16LA284Accident · No injuriesLimited investigationFinal reportTexas Helicopter OH 13H/M74A · Minonk, ILFailure of the truck driver to ensure that he had adequate clearance to pass under the helicopter and the failure of the loader to park in a safer area for reloading operations.Jul 25, 2016 · N10009 · Substantial damage NTSB CEN14LA418Accident · 1 fatalLimited investigationFinal reportTexas Helicopter OH 13H/M74A · Little Falls, MNThe pilot's failure to maintain clearance from a tree at the edge of a field that he was spraying.May 28, 2014 · N51853 · Substantial damage NTSB CEN13LA442Accident · No injuriesLimited investigationFinal reportTexas Helicopter OH-13H/M74A · Streator, ILThe pilot's diverted attention during an agricultural application maneuver, which resulted in the helicopter impacting a corn field.Jul 29, 2013 · N10009 · Substantial damage NTSB CEN11CA524Accident · Minor injuriesData collectionFinal reportTexas Helicopter OH-13H/M74A · Creston, ILThe pilot's failure to maintain adequate skid clearance from the helicopter cart during landing, resulting in a dynamic rollover.Jul 28, 2011 · N10009 · Substantial damage NTSB CHI04CA180Accident · No injuriesData collectionFinal reportTexas Helicopter M-74 · Clear Lake, MNThe pilot failed to maintain a proper glidepath to the landing zone. A factor was the truck pad.Jul 9, 2004 · N10009 · Substantial damage NTSB LAX98LA309Accident · No injuriesLimited investigationFinal reportTexas Helicopter OH-13H · Gilroy, CAThe pilot's loss of control for undetermined reasons.Sep 26, 1998 · N1001G · Destroyed NTSB MIA98LA197Accident · No injuriesLimited investigationFinal reportTexas Helicopter OH-13H/M47A · Citronelle, ALThe pilot's failure to control the helicopter's altitude while overflying an area of rising terrain and trees.Jul 15, 1998 · N1001F · Substantial damage NTSB SEA95LA227Accident · No injuriesLimited investigationFinal reportTexas Helicopter OH-13E · Yakima, WAFatigue failure of the bolt attaching the scissor arm assembly to the pitch control support assembly. The failure of the bolt led to a loss of collective pitch control and reduced rotor RPM.Sep 20, 1995 · N38115 · Substantial damage NTSB LAX92LA345Accident · No injuriesLimited investigationFinal reportTexas Helicopter OH-13H · Merced, CAThe pilot's poor preflight planning/preparation and fuel consumption calculations. Contributing to this accident was fuel exhaustion and the cultivated soft field.Aug 10, 1992 · N51858 · Substantial damage NTSB LAX91LA351Accident · Minor injuriesLimited investigationFinal reportTexas Helicopter M74L · Lodi, CAThe inflight loss of control by the pilot for undetermined reasons.Aug 7, 1991 · N51855 · Substantial damage NTSB CHI89DEX05Accident · No injuriesFinal reportTexas Helicopter OH-13H/M74A · New Richmond, INThe pilot's misjudgement of the fuel supply which resulted in fuel exhaustion.Jul 13, 1989 · N10002 · Substantial damage NTSB LAX88DUQ04Accident · No injuriesFinal reportTexas Helicopter M74A · Lancaster, CADuring an aerial application flight, just after takeoff, the nose of the helicopter suddenly pitched up. The pilot reduced power to keep from climbing. The fore/aft cyclic control had no effect. The helicopter settled to the ground resulting in substantial…Aug 19, 1988 · N51862 · Substantial damage NTSB LAX88DVD01Accident · No injuriesFinal reportTexas Helicopter Wasp/M74L · Petaluma, CADuring an aerial application flight, while on the last pass, the aircraft struck a power line that became entangled in the rotor blades. The pilot was unable to maintain control of the aircraft and collided with the terrain. There were no reported mechanical…Dec 11, 1987 · N51843 · Substantial damage NTSB LAX86LA283Accident · Serious injuriesLimited investigationFinal reportTexas Helicopter OH-13H/M · Valencia, CAThe pilot reported that he heard a loud bang and grinding noise from the engine/main transmission area while on a swath run. He stated that the main rotor RPM decayed immediately after he heard the noise. As the helicopter descended to about 50 feet above the…Jul 6, 1986 · N51856 · Substantial damage NTSB LAX86LUG01Accident · No injuriesFinal reportTexas Helicopter M74A · Daggett, CAThe plt stated he had just lifted off for a fertilizer spreading operation with an external load bucket, when the eng had a partial pwr loss at 100 ft AGL. A descent was started and the bucket was disengaged. However, while the plt was attempting to land the…Oct 19, 1985 · N51862 · Substantial damage NTSB CHI85FEX04Accident · Serious injuriesFinal reportTexas Helicopter OH13E/M74 · Veedersburg, INThe acft was destroyed during a hard forced landing in a soybean fld following a loss of pwr. Inspection of the helicopter revealed the carburetor, fuel filter and fuel tank were void of fuel. The plt received received serious injuries during the accident and…Jul 17, 1985 · N10000 · Destroyed NTSB ATL83LA220Accident · No injuriesLimited investigationFinal reportTexas Helicopter OH-13H/M74A · Ruleville, MSThe plt reported that the engine lost power during a swath run. A run-on landing was made. Prior to stopping, the right skid & right spray boom hit a rice level, and subsequenily, the main rotor blade chopped the tail boom. No preimpact failures were found.Jun 8, 1983 · N1001G · Substantial damage NTSB LAX81DUK10Accident · No injuriesClosedTexas Hel OH-13H · Yuma, AZSep 25, 1981 · N51853 · Substantial damage NTSB ATL81DKW21Accident · No injuriesClosedTexas Hel M-47A · Rickman, TNJul 29, 1981 · N1001F · Substantial damage NTSB LAX81DUQ26Accident · No injuriesClosedTexas Hel M74A · Rosamond, CAJul 3, 1981 · N51856 · Substantial damage NTSB ATL81FKG29Accident · No injuriesClosedTexas Hel M74A · Montezuma, GAJun 25, 1981 · N51860 · Substantial damage NTSB CHI81FEV21Accident · 1 fatalClosedTexas Hel OH-13H · Danville, ILJun 16, 1981 · N10002 · Destroyed NTSB LAX80FVM37Accident · 1 fatalClosedTexas Hel OH-13H · Salinas, CAAug 6, 1980 · N10003 · Substantial damage NTSB SEA80FYP28Accident · Minor injuriesClosedTexas Hel OH-13H · Moses Lake, WAJul 19, 1980 · N51855 · Substantial damage NTSB CHI80FER50Accident · Minor injuriesClosedBell OH-13H · Olivia, MNJun 23, 1980 · N51862 · Destroyed NTSB CHI79FEX33Accident · 1 fatalClosedTexas Heli OH-13 · Solitude, INJul 20, 1979 · N51847 · Destroyed NTSB OAK79DVG53Accident · No injuriesClosedBell OH-13H · Napa, CAJun 15, 1979 · N51849 · Destroyed NTSB OAK78FVA85Accident · No injuriesClosedBell H13H · Firebaugh, CASep 16, 1978 · N51843 · Destroyed