Bell UH-1B

NTSB investigations · 58

Matched to the registry by N-number and event date, newest first.

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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
  WHERE a.aircraft_model_code IN ('1181410')
  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 WPR23LA118Accident · No injuriesClass 4 · LimitedFinal reportBell UH-1B · Orland, CAThe pilot’s inadequate fuel planning, which resulted in fuel exhaustion and a loss of engine power.Mar 2, 2023 · N234SJ · Substantial damageNTSB ANC22FA047Accident · 1 fatalClass 3 · FieldFinal reportBell UH1B · Clear, AKA loss of control for reasons that could not be determined based on the available information.Jun 27, 2022 · N9970F · DestroyedNTSB ERA22FA279Accident · 6 fatalClass 1 · FieldFinal reportBell UH-1B · Amherstdale, WVthe operator’s failure to adequately inspect the former military turbine powered helicopter, which allowed an engine issue to progress and result in a loss of engine power and a subsequent loss of control after the helicopter struck powerlines during a forced…Jun 22, 2022 · N98F · DestroyedNTSB GAA17CA355Accident · No injuriesData collectionFinal reportBell UH1B · Williams, CAThe pilot’s failure to maintain clearance from transmission wires while maneuvering at a low altitude during an agricultural application flight.Jun 21, 2017 · N6180A · Substantial damageNTSB WPR16LA104Accident · No injuriesLimited investigationFinal reportBell UH 1B · Maxwell, CAA reduction in available engine power during takeoff due to a stuck hot air valve, which resulted in low rotor rpm and a forced landing. Contributing to the accident was the lack of dry film lubricant and the presence of corrosion on the hot air valve…May 7, 2016 · N486SA · Substantial damageNTSB WPR15LA159Accident · Minor injuriesLimited investigationFinal reportGarlick UH-1B · Kettle Falls, WAA total loss of engine power due to foreign object (towel) ingestion. Contributing to the accident was maintenance personnel’s inadequate postmaintenance inspection of the engine.May 8, 2015 · N46969 · Substantial damageNTSB WPR13FA411Accident · 1 fatalField investigationFinal reportBell UH 1B · Detroit, ORThe fatigue failure of the upper two tailboom attachment points, which resulted in the tailboom separating from the fuselage during logging operations. Contributing to the accident was poor maintenance throughout the helicopter’s operational life.Sep 16, 2013 · N204UH · Substantial damageNTSB CEN09LA565Accident · Serious injuriesLimited investigationFinal reportBell UH-1B · Arvilla, NDThe aircraft owner/mechanic/pilot's installation of an improper tail boom assembly and the resulting fatigue failure of the tail boom's attach fittings.Sep 6, 2009 · N204JB · Substantial damageNTSB WPR09LA241Accident · Serious injuriesLimited investigationFinal reportRotorcraft Development UH-1B · Richvale, CAThe pilot's failure to maintain control of the helicopter during takeoff for undetermined reasons.May 13, 2009 · N843M · Substantial damageNTSB SEA08LA043Accident · No injuriesLimited investigationFinal reportBell UH-1B · Ennis, MTThe loss of collective control friction during takeoff that resulted in a collective bounce oscillation. Contributing to the accident was the pilot's failure to maintain aircraft control during the aborted takeoff and the snow covered terrain.Dec 5, 2007 · N46969 · Substantial damageNTSB SEA07LA154Accident · No injuriesLimited investigationFinal reportBell UH-1B · Biggs, CALoss of control during hover for undetermined reasons.Jun 12, 2007 · N2087S · Substantial damageNTSB FTW04WA173Accident · No injuriesForeign investigationBell UH-1B · Las Bocas, MexicoJun 12, 2004 · N64CC · Substantial damageNTSB LAX04LA015Accident · No injuriesLimited investigationFinal reportBell UH-1B · Durham, CASeparation of the power turbine shaft retaining bolt resulting in extensive power turbine area damage and a loss of shaft output power.Oct 16, 2003 · N234SJ · Substantial damageNTSB MIA02LA133Accident · Serious injuriesLimited investigationFinal reportBell UH-1B · Lorida, FLThe pilot's continued operation with known engine anomalies resulting in loss of engine power due to failure of the engine fuel control pump drive clutch assembly due to wear and collision with the terrain during the resultant descent.Jul 16, 2002 · N91281 · Substantial damageNTSB LAX00LA239Accident · 1 fatalLimited investigationFinal reportBell UH-1B · Arbuckle, CAthe partial failure of the tail rotor pitch change control rod that resulted in an attempted run-on landing in dark night conditions.Jun 23, 2000 · N807SB · DestroyedNTSB LAX99LA283Accident · No injuriesLimited investigationFinal reportBell UH-1B · Lost Hills, CAFailure and separation of the 90-degree gearbox as a result of the disengagement of the pinion and gear teeth. The cause(s) of the pinion and gear disengagement were undetermined.Aug 25, 1999 · N999SJ · Substantial damageNTSB FTW99WA109Accident · No injuriesForeign investigationBell UH1-B · Mexico City, MexicoApr 5, 1999 · N64CC · 2 aircraft · Substantial damageNTSB FTW99WA109Accident · No injuriesForeign investigationBell UH1-B · Mexico City, MexicoApr 5, 1999 · N123SJ · 2 aircraft · DestroyedNTSB LAX98LA108Accident · Serious injuriesLimited investigationFinal reportBell UH-1B · Hollister, CAThe failure of the maintenance personnel to recognize and repair the chafed area of the tail rotor driveshaft, which resulted in an in-flight separation of the tail fin and hub assembly.Mar 7, 1998 · N204DR · DestroyedNTSB SEA97LA198Accident · Serious injuriesLimited investigationFinal reportGarlick UH-1B · Dayville, ORImproper installation of the transmission door by a company mechanic, resulting in inflight separation of the door (which then struck the tail rotor system) and consequent total loss of the tail rotor. Contributing to the accident were: inadequate…Aug 29, 1997 · N22753 · Substantial damageNTSB SEA97FA196Accident · 1 fatalField investigationFinal reportSouthern Aero UH-1B · Skykomish, WAA fatigue fracture in the main rotor mast, which resulted in an in flight separation of the main rotor from the helicopter. Contributing to the accident was insufficient Federal Aviation Administration airworthiness standards and requirements for the aircraft.Aug 27, 1997 · N896W · Substantial damageNTSB LAX97LA206Accident · No injuriesLimited investigationFinal reportBell UH-1B · Heron, CApartial loss of engine power for undetermined reasons. A factor relating to the accident was that the engine lost power when the helicopter was outside (below) the limits of the height/velocity curve.Jun 11, 1997 · N888SJ · DestroyedNTSB MIA97LA099Accident · Minor injuriesLimited investigationFinal reportBell UH-1B · Labelle, FLCompany maintenance personnel's failure to properly evaluate a main rotor system problem resulting in main rotor straps with multiple laminates separated due to fatigue cracking being allowed to continue in service until failure and separation of a main rotor…Mar 11, 1997 · N70696 · DestroyedNTSB ATL97LA002Accident · Serious injuriesLimited investigationFinal reportBell UH-IB · Bennettsville, SCthe pilot's improper planning/decision, which resulted in fuel exhaustion and loss of engine power due to an inadequate supply of usable fuel. A factor relating to the accident was: an inoperative left boost pump, which increased the amount of unusable fuel…Oct 12, 1996 · N846MC · DestroyedNTSB MIA96LA166Accident · Minor injuriesLimited investigationFinal reportBell UH-1B · Lorida, FLfailure of company maintenance personnel to properly torque the tail rotor 90 degree gear box mounting bolts during installation, which resulted in failure of the mounting studs due to bending fatigue and subsequent separation of the gearbox.Jun 28, 1996 · N9846F · Substantial damageNTSB ATL94LA180Accident · Minor injuriesLimited investigationFinal reportBell UH-1B · Ozark, ALThe failure of the engines' main bearings because of a lack of lubrication. A factor was the heavily wooded terrain.Sep 29, 1994 · N41870 · Substantial damageNTSB BFO94LA159Accident · No injuriesLimited investigationFinal reportBell UH-1B · Carrabasset, MEFracture failure of the tail rotor drive intermediate gearbox.Aug 31, 1994 · N204JB · Substantial damageNTSB SEA94LA183Accident · Serious injuriesLimited investigationFinal reportBell UH-1B · Pilot Rock, ORDirectional control was not maintained for undetermined reasons.Jul 17, 1994 · N9645A · Substantial damageNTSB SEA93LA207Accident · No injuriesLimited investigationFinal reportBell UH-1B · Pierce, IDSeparation of the 90 degree gearbox after fatigue failure of the gearbox attach bolts. Factors include hilly/mountainous terrain.Sep 23, 1993 · N3979C · Substantial damageNTSB BFO91DOA01Accident · Minor injuriesFinal reportBell UH-1B · Iaeger, WVThe loss of engine power for undetermined reasons, while operating over unsuitable terrain.Jul 1, 1991 · N91348 · Substantial damageNTSB ATL91LA102Accident · Serious injuriesLimited investigationFinal reportBell UH-1B · Lake Seminole, GAThe failure of the pilot to maintain clearance from the surface.May 29, 1991 · N9650N · DestroyedNTSB ANC91LA058Accident · 1 fatalLimited investigationFinal reportBell UH-1B · Dog Fish Bay, AKThe pilot's exceeding the gross weight of the aircraft and inadequate supervision by company management. Contributing to the accident was the high vegetation.May 21, 1991 · N87966 · DestroyedNTSB MIA91LA113Accident · Minor injuriesLimited investigationFinal reportBell UH-1B · Vero Beach, FLImproper maintenance adjustment by company maintenance personnel resulting in overtorque of a tailboom attach bolt which allowed the tailboom to shift. This disengaged the tail rotor drive shaft at a coupling resulting in the loss of tail rotor drive.Mar 12, 1991 · N9687R · Substantial damageNTSB LAX90DXQ04Accident · Serious injuriesFinal reportBell UH-1B · Bieber, CAThe pilot's failure to maintain aircraft control when intentionally slowing his aircraft to off load water on fire. Contributing to the accident was the pilot's failure to arm and release the external load.Aug 14, 1990 · N64789 · Substantial damageNTSB SEA90TL#03Accident · No injuriesClass 3Final reportBell UH-1B · Yakima, WAJun 21, 1990 · N99634 · Substantial damageNTSB MKC90DCQ02Accident · 1 fatalFinal reportBell UH-1B · Ulysses, KSThe pilot failed to maintain proper rotor RPM, while maneuvering over a high obstruction (power line) at the end of a swath run, which resulted in an inadvertent descent & collision with the terrain. The high obstruction was considered to be a related factor.May 6, 1990 · N8142W · DestroyedNTSB ATL89DKG06Accident · 2 fatalFinal reportBell UH-1B · Plains, GAImproper modification of the helicopter by the company/operator, and failure of the spray boom, which resulted in mast bumping, and subsequent failure of the main rotor assembly.Sep 29, 1989 · N840MC · DestroyedNTSB LAX88DVA02Accident · Minor injuriesFinal reportBell UH-1B · Arvin, CAMar 14, 1988 · N59368 · DestroyedNTSB ATL87LA121Accident · No injuriesLimited investigationFinal reportBell UH-1B · Bay Minette, ALDuring a logging operation, the helicopter experienced a complete engine failure shortly after attempting a pickup. The pilot entered an autorotative glide. The helicopter impacted the water and sank. The wreckage examination disclosed that the compressor…Apr 21, 1987 · N88987 · DestroyedNTSB LAX86FVA10Accident · Serious injuriesFinal reportBell UH-1B · Le Grand, CAThe helicopter experienced an engine failure shortly after lift-off prior to a spray run on a nearby field. The engine decelerated to zero and the acft collided with the ground. Examination of the engine revealed the turbine rotor was destroyed and evidence…Jun 30, 1986 · N64789 · Substantial damageNTSB LAX86DVA06Accident · Minor injuriesFinal reportBell UH-1B · Chowchilla, CAWhile returning from a spraying operation the plt observed that the main transmission oil pressure gage indicated zero. The plt reported that the engine master caution did not illuminate and that the oil temperature gage was normal. The plt stated that he…Apr 16, 1986 · N910PD · DestroyedNTSB MIA86LA138Accident · No injuriesLimited investigationFinal reportBell UH-1B · North Port, FLThe flt experienced an eng failure at an alt of aprx 8 ft AGL shortly after takeoff and the helicopter sustained substantial damage when a hard landing was made. Post accident inspection of the eng revealed the pwr turbine wheel experienced a loss of two…Apr 14, 1986 · N4242T · Substantial damageNTSB FTW85FA310Accident · 1 fatalField investigationFinal reportBell UH-1B · Saint James, LAAcft was at a 150' hover preparing to pick up a log when it experienced a power loss. Witnesses stated that they heard a loud 'bang' and the pilot radioed 'get out of the way'. Acft autorotated thru 60' to 80' trees with very low rotor RPM and impacted with…Aug 8, 1985 · N1385W · DestroyedNTSB SEA85LA151Accident · 1 fatalLimited investigationFinal reportBell UH-1B · Hoquiam, WAThe helicopter was being used during an external load operation to move large blocks of wood. However, while hovering, the sling broke. Subsequently, a block of wood struck a company employee on the head while he was working on the ground. The employee was…Jun 25, 1985 · N4991D · No damageNTSB SEA85FA134Accident · 1 fatalField investigationFinal reportBell UH-1B · Juneau, AKWhile engaged in a log slinging operation over mountainous, densely forested terrain the rotor craft suffered a total power loss forcing the pilot to execute an autorotative landing into high conifer trees. Disassembly of the engine revealed evidence that the…Jun 11, 1985 · N99676 · DestroyedNTSB LAX85LA105Accident · No injuriesLimited investigationFinal reportBell 204 · Snelling, CAPlt vacated the acft with engine at idle & with the blades turning to refuel. The landing platform mounted on the 'nurse' truck was slippery from an oil & copper mixture used in the spraying operation. The helicopter started to slide & the plt reboarded just…Jan 11, 1985 · N99021 · Substantial damageNTSB ATL84LA226Accident · No injuriesLimited investigationFinal reportBell 204 UH 1B · Tams, WVAn over gross takeoff was attempted from a 500 ft long zone. Translational lift was not achieved and rotor RPM deteriorated. The helicopter collided with trees, crashed & burned. The plt stated that the wind may have shifted during his takeoff.Jul 20, 1984 · N91307 · DestroyedNTSB LAX84LA273Accident · Minor injuriesLimited investigationFinal reportBell UH-1B · Salinas, CAWhile spraying a field of artichokes, the plt had made 1 pass southbound & started another northbound. He began the swath run by descending over power lines, then tried to climb & clear rising terrain beyond the lines. However, the helicopter continued…Apr 29, 1984 · N57HP · DestroyedNTSB SEA83FA133Accident · Minor injuriesField investigationFinal reportGarlick UH-1B/204 · Fossil, ORThe helicopter collided with a dead tree and crashed while conducting a spray run on an aerial application mission. The pilot said that the dawn light conditions made the obtacle hard to see. In the attempt to clear the tree the spray boom made contact and…Jun 24, 1983 · N5598G · DestroyedNTSB LAX83LA022Accident · Minor injuriesLimited investigationFinal reportBell UH-1B · Delano, CAThe pilot was making a helicopter spray run and decended into trees on th irst pass after reloading. He got a low RPM light in a reduced power situation. No malfunctions were found. The pilot had made 34 similiar operations during this schedule.Oct 28, 1982 · N15FC · Destroyed
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