# NTSB investigations: Hughes 269C NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. Page 2 of 6 · 292 cases ## Cases, newest first - [NTSB NYC99LA217](https://openairdocs.org/ntsb/NYC99LA217.md): Hughes 269C · Utica, NY · Accident · No injuries · Limited investigation · Final report · Sep 1, 1999 · N58397 · Substantial damage > The pilot's failure to maintain control of the helicopter while maneuvering, which resulted in a hard landing. A factor in this accident was the pilot's lack of total experience in helicopters. - [NTSB FTW99TA190](https://openairdocs.org/ntsb/FTW99TA190.md): Hughes 269C · Houston, TX · Accident · Minor injuries · Final report · Jul 15, 1999 · N7491F · Substantial damage > The hard landing as a result of the flight instructor's failure to attain the proper airspeed before simulating an engine failure, which resulted in the development of a high sink rate. Factors were the night illumination and the soft ground. - [NTSB FTW98LA362](https://openairdocs.org/ntsb/FTW98LA362.md): Hughes 269C · Houston, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 17, 1998 · N1103R · Substantial damage > The pilot's failure to refuel the helicopter which resulted in the loss of engine power due to fuel exhaustion. A factor was the lack of suitable terrain for the forced landing. - [NTSB FTW98TA104](https://openairdocs.org/ntsb/FTW98TA104.md): Hughes 269C · Brackettville, TX · Accident · Minor injuries · Final report · Jan 22, 1998 · N1093N · Substantial damage > failure of splines on the drive shaft coupling after separation of the forward bubber boot and loss of lubrication (grease), which resulted in a disconnect of the rotor drive system and an autorotation/forced landing. Lack of suitable terrain in the forced… - [NTSB FTW98LA084](https://openairdocs.org/ntsb/FTW98LA084.md): Hughes 269C · Riviera, TX · Accident · No injuries · Limited investigation · Final report · Jan 2, 1998 · N1091Y · Substantial damage > The total loss of engine power due to a fatigue failure of the crankshaft for undetermined reason. A factor was the lack of suitable terrain for the forced landing. - [NTSB ATL97LA103](https://openairdocs.org/ntsb/ATL97LA103.md): Hughes 269C · Johnston, SC · Accident · No injuries · Limited investigation · Final report · Jul 13, 1997 · N7413F · Substantial damage > failure of the pilot to maintain the proper rotor RPM during the approach and flare for landing. - [NTSB SEA97LA065](https://openairdocs.org/ntsb/SEA97LA065.md): Hughes 269C · Hood River, OR · Accident · No injuries · Limited investigation · Final report · Feb 21, 1997 · N5160N · Substantial damage > The pilot-in-command's misjudgment of altitude and airspeed during a turn. - [NTSB IAD97LA028](https://openairdocs.org/ntsb/IAD97LA028.md): Hughes 269C · Mayfield, KY · Accident · No injuries · Limited investigation · Final report · Dec 4, 1996 · N1105P · Substantial damage > disengagement of the main transmission aft pinion nut, allowing the tail rotor splined drive sleeve to disengage from the pinion, which resulted in loss of directional control and an emergency (autorotative) landing. - [NTSB ATL96TA102](https://openairdocs.org/ntsb/ATL96TA102.md): Hughes 269B · Tampa, FL · Accident · Serious injuries · Final report · Jul 7, 1996 · N10TP · Substantial damage > The failure of maintenance personnel to secure the engine oil screen housing during the 50-hour inspection. - [NTSB SEA96FA130](https://openairdocs.org/ntsb/SEA96FA130.md): Hughes 269C · Eldon, WA · Accident · 1 fatal · Field investigation · Final report · Jun 19, 1996 · N7400F · Destroyed > fatigue failure of the connecting rod cap, which resulted in loss of engine power and ditching at sea. - [NTSB LAX96FA177](https://openairdocs.org/ntsb/LAX96FA177.md): Hughes 269C · San Diego, CA · Accident · 1 fatal · Field investigation · Final report · Apr 23, 1996 · N9579F · Destroyed > the decision of the pilot to fly at low altitude and low airspeed within a hazardous performance area published in the pilot operating handbook. Factors in the accident were tailwinds, lack of operator preventative maintenance impairing engine power,… - [NTSB ATL96LA063](https://openairdocs.org/ntsb/ATL96LA063.md): Cessna 172RG · Gulf Shores, AL · Accident · No injuries · Limited investigation · Final report · Mar 10, 1996 · N6612V · 2 aircraft · Substantial damage > The failure of both pilots to maintain an adequate visual lookout. A factor was the lack of position reports via radio by the pilot of the helicopter. - [NTSB LAX95LA271](https://openairdocs.org/ntsb/LAX95LA271.md): Hughes 269C · Redlands, CA · Accident · Minor injuries · Limited investigation · Final report · Jul 27, 1995 · N747MK · Substantial damage > The company's maintenance personnel improper servicing of the landing skid actuators. - [NTSB SEA95LA097](https://openairdocs.org/ntsb/SEA95LA097.md): Hughes 269C · Lamont, WA · Accident · Serious injuries · Limited investigation · Final report · May 10, 1995 · N7443F · Substantial damage > Undetermined loss of engine power and an inadequate autorotation. - [NTSB FTW95GA090](https://openairdocs.org/ntsb/FTW95GA090.md): Hughes 269C · Dumont, TX · Accident · No injuries · Final report · Jan 12, 1995 · N796 · Destroyed > The loss of engine power due to overstress fractures of the #3 cylinder connecting rod cap bolts. The origin of the fractures could not be determined. - [NTSB CHI95LA029](https://openairdocs.org/ntsb/CHI95LA029.md): Hughes 269C · Garden City, KS · Accident · No injuries · Limited investigation · Final report · Nov 2, 1994 · N9294F · Substantial damage > inadvertant engagement of the rotor drive system, while the helicopter had been left unattended by the pilot. - [NTSB FTW95LA011](https://openairdocs.org/ntsb/FTW95LA011.md): Hughes 269C · Livingston, TX · Accident · No injuries · Limited investigation · Final report · Oct 10, 1994 · N9616F · Substantial damage > The improper flare resulting in an undershoot of the intended landing area. A factor was the bird strike. - [NTSB LAX94LA306](https://openairdocs.org/ntsb/LAX94LA306.md): Hughes 269C · Puunene, Maui, HI · Accident · No injuries · Limited investigation · Final report · Aug 5, 1994 · N8376F · Substantial damage > the improper overhaul of the red blade main rotor damper, and the inadequate maintenance condition of the other rotor dampers and the landing gear dampers, which led to an uncorrectable ground resonance vibration and a subsequent rollover. - [NTSB FTW94GA204](https://openairdocs.org/ntsb/FTW94GA204.md): Hughes 269C · London, TX · Accident · Minor injuries · Final report · Jun 20, 1994 · N7404F · Destroyed > The partial power loss due to a sticking valve. Factors were the remaining worn lobes on the camshaft and the lack of suitable terrain onto which a successful forced landing could be executed. - [NTSB LAX94LA146](https://openairdocs.org/ntsb/LAX94LA146.md): Hughes 269C · Merced, CA · Accident · Minor injuries · Limited investigation · Final report · Mar 2, 1994 · N9593F · Substantial damage > the pilot's misjudgement of the descent rate and his delayed throttle application. - [NTSB ATL94GA038](https://openairdocs.org/ntsb/ATL94GA038.md): Hughes 269C · Atlanta, GA · Accident · Serious injuries · Final report · Jan 16, 1994 · N8994F · Substantial damage > The inadvertent closing of the fuel shutoff valve by the pilot. A factor in the accident was the failure of the pilot to maintain rotor RPM during the autorotation. - [NTSB LAX93LA227](https://openairdocs.org/ntsb/LAX93LA227.md): Hughes 269C · Van Nuys, CA · Accident · No injuries · Limited investigation · Final report · May 26, 1993 · N58407 · Substantial damage > the student pilot's failure to maintain the altitude while maneuvering toward the parking area. The student pilot's lack of total experience was a factor in this accident. - [NTSB BFO93FA019](https://openairdocs.org/ntsb/BFO93FA019.md): Hughes 269C · Tonawanda, NY · Accident · 2 fatal · Field investigation · Final report · Jan 11, 1993 · N1088Z · Destroyed > Improper inflight planning/decision by the pilot and his failure to maintain clearance from an obstacle during flight. Factors related to the accident include poor visibility and weather conditions at dusk, and the pilot's excessive airspeed for the… - [NTSB LAX93LA087](https://openairdocs.org/ntsb/LAX93LA087.md): Hughes 269C · Folsom, CA · Accident · Serious injuries · Limited investigation · Final report · Jan 2, 1993 · N7462F · Destroyed > The pilot failing to maintain an adequate visual lookout resulting in the helicopter colliding with electrical transmission wires. - [NTSB SEA93LA001](https://openairdocs.org/ntsb/SEA93LA001.md): Hughes 269C · Hillsboro, OR · Accident · No injuries · Limited investigation · Final report · Oct 1, 1992 · N7400F · Substantial damage > The pilot in command's failure to maintain proper altitude during the hover. Factors contributing to the accident were the pilot in command's lack of total experience in rotorcraft and his diversion of attention while hovering. - [NTSB BFO92FA144](https://openairdocs.org/ntsb/BFO92FA144.md): Hughes 269C · East Bernstadt, KY · Accident · 2 fatal · Field investigation · Final report · Sep 25, 1992 · N9609F · Destroyed > Inadequate maintenance inspection involving failure to detect wear of the clutch spring assembly, resulting in the uncoupling of engine power to the main transmission. - [NTSB LAX92LA383](https://openairdocs.org/ntsb/LAX92LA383.md): Hughes 269C · Rialto, CA · Accident · No injuries · Limited investigation · Final report · Sep 12, 1992 · N58164 · Substantial damage > The pilot/passenger's failure to maintain adequate rotor RPM and the pilot-in-command's inadequate supervision of the flight. - [NTSB LAX92LA354](https://openairdocs.org/ntsb/LAX92LA354.md): Hughes 269C · Corona, CA · Accident · No injuries · Limited investigation · Final report · Aug 14, 1992 · N9297F · Substantial damage > The flight instructor's improper supervision of the flight; the dual student pilot's failure to use carburetor heat; and the flight instructor's improper use of the tail rotor pedals. Contributing to this accident was the engine failure due to carburetor… - [NTSB CHI92LA222](https://openairdocs.org/ntsb/CHI92LA222.md): Hughes 269C · Aurora, IL · Accident · No injuries · Limited investigation · Final report · Aug 1, 1992 · N58335 · Substantial damage > Fatigue fracture of the engine crankshaft resulting in loss of power. Factors were the pilot's excessive descent and his lack of total experience. - [NTSB MIA92T#A02](https://openairdocs.org/ntsb/MIA92T%23A02.md): Hughes 269C · Jacksonville, FL · Accident · No injuries · Class 3 · Final report · Jul 9, 1992 · N8957F · Destroyed - [NTSB LAX92FA154](https://openairdocs.org/ntsb/LAX92FA154.md): Hughes 269C · Hesperia, CA · Accident · 1 fatal · Field investigation · Final report · Mar 28, 1992 · N9597F · Destroyed > A failure of the student pilot to maintain adequate rotor RPM. Contributing to the accident was a failure of the instructor pilot to adequately supervise the training flight and a delay in correcting a low rotor RPM condition. - [NTSB NYC91LA227](https://openairdocs.org/ntsb/NYC91LA227.md): Hughes 269C · Galloway, OH · Accident · Minor injuries · Limited investigation · Final report · Sep 1, 1991 · N9590F · Substantial damage > Improper supervision by the flight instructor which resulted in an inadvertent ground contact and a dynamic rollover. A factor related to the accident was improper use of the flight controls by the non-rated student pilot. - [NTSB CHI91LA207](https://openairdocs.org/ntsb/CHI91LA207.md): Hughes 300C · Whitehall, MI · Accident · No injuries · Limited investigation · Final report · Jul 4, 1991 · N58404 · Substantial damage > The pilot's failure to maintain adequate clearance from the water. A factor was the dark night light condition. - [NTSB ATL91FA120](https://openairdocs.org/ntsb/ATL91FA120.md): Hughes 269C · Blakely, GA · Accident · 1 fatal · Field investigation · Final report · Jul 1, 1991 · N11017 · Substantial damage > Loss of engine power for an undetermined reason, and failure of the instructor pilot (CFI) to follow procedures and maintain rotor RPM. - [NTSB MIA91LA148](https://openairdocs.org/ntsb/MIA91LA148.md): Hughes 269C · Tarpon Springs, FL · Accident · No injuries · Limited investigation · Final report · May 18, 1991 · N10MY · Substantial damage > Delay by the pilot-in-command to apply adequate throttle & collective during transition off a dock for a takeoff over a lake. Contributing to the accident was his lack of total experience in the type operation. - [NTSB LAX91LA152](https://openairdocs.org/ntsb/LAX91LA152.md): Hughes 269C · Honolulu, HI · Accident · No injuries · Limited investigation · Final report · Mar 30, 1991 · N8656F · Destroyed > The instructor's improperly planned approach. A factor was the pilot's failure to observe performance data for the helicopter. - [NTSB CHI91LA097](https://openairdocs.org/ntsb/CHI91LA097.md): Hughes 269C · North Mankato, MN · Accident · Serious injuries · Limited investigation · Final report · Feb 20, 1991 · N8955F · Destroyed > The fatique failure of the tail boom support strut attachment cluster and the improper inspection of the cluster attachment. - [NTSB FTW91LA041](https://openairdocs.org/ntsb/FTW91LA041.md): Hughes 269C · Knowles, OK · Accident · No injuries · Limited investigation · Final report · Feb 18, 1991 · N8973F · Substantial damage > The pilot's failure to maintain a proper descent rate during the maneuver and his delay in initiating the go-around. - [NTSB MIA91LA060](https://openairdocs.org/ntsb/MIA91LA060.md): Hughes 269C · Deland, FL · Accident · No injuries · Limited investigation · Final report · Jan 2, 1991 · N9574F · Substantial damage > Failure of the commercial pilot applicant to pull collective pitch and delay by the check airman to pull collective and apply power to recover, resulting in a hard landing. - [NTSB BFO91LA014](https://openairdocs.org/ntsb/BFO91LA014.md): Hughes 269C · Louisville, KY · Accident · No injuries · Limited investigation · Final report · Nov 15, 1990 · N9280F · Substantial damage > Fatigue failure of the number 1 cylinder connecting rod. - [NTSB BFO90FA079](https://openairdocs.org/ntsb/BFO90FA079.md): Hughes 269C · Jefferson, MD · Accident · 1 fatal · Field investigation · Final report · Sep 25, 1990 · N1094D · Destroyed > The failure of the tail rotor drive transmission system due to a worn tail rotor splined drive sleeve, and inadequate maintenance and/or inspection by the operator. Contributing to the loss of control was the student pilot's failure to maintain adequate rotor… - [NTSB FTW90FA164](https://openairdocs.org/ntsb/FTW90FA164.md): Hughes 269C · Shreveport, LA · Accident · Serious injuries · Field investigation · Final report · Aug 24, 1990 · N223TV · Substantial damage > The pilot's failure to maintain clearance from the obstruction. Factors related to the accident were: the lack of visual ques due to the light conditions at dusk, the ground observer's lack of assistance and lack of experience in the type of operation, and… - [NTSB LAX90LA234](https://openairdocs.org/ntsb/LAX90LA234.md): Hughes 269C · Carlsbad, CA · Accident · Minor injuries · Limited investigation · Final report · Jun 29, 1990 · N1102H · Substantial damage > Failure of the pilot to maintain directional control at a hover. - [NTSB ATL90LA134](https://openairdocs.org/ntsb/ATL90LA134.md): Hughes 269C · Saluda, SC · Accident · No injuries · Limited investigation · Final report · Jun 22, 1990 · N7448F · Substantial damage > Pilot's failure to properly plan for high density altitude operations, which resulted in settling with power to the ground. - [NTSB LAX90LA187](https://openairdocs.org/ntsb/LAX90LA187.md): Hughes 269C · Rialto, CA · Accident · No injuries · Limited investigation · Final report · May 23, 1990 · N7441F · Substantial damage > Improper maintenance procedure by maintenance personnel to troubleshoot a reported deficiency and the pilot's decision to demonstrate the vibration, exceeding the design limits of the helicopter and inducing ground resonance. Contributing to the accident was… - [NTSB MIA90FA117](https://openairdocs.org/ntsb/MIA90FA117.md): Hughes 269C · Fort Pierce, FL · Accident · Minor injuries · Field investigation · Final report · May 9, 1990 · N58275 · Destroyed > Improper touchdown during the autorotation by the dual student (ATP), his failure to maintain runway alignment, inadequate supervision by the CFI, and inadequate crew coordination. A factor related to the accident was the obstruction (taxiway light). - [NTSB MIA90LA076](https://openairdocs.org/ntsb/MIA90LA076.md): Hughes 300C · Vero Beach, FL · Accident · No injuries · Limited investigation · Final report · Mar 2, 1990 · N58275 · Substantial damage > The failure of the pilot in command/instructor pilot to maintain adequate rotor RPM after landing from a touchdown autorotation. A factor related to the accident was the gusty wind condition. - [NTSB FTW90LA074](https://openairdocs.org/ntsb/FTW90LA074.md): Hughes 269C · Houma, LA · Accident · No injuries · Limited investigation · Final report · Feb 24, 1990 · N7504A · Substantial damage > Loss of engine power for an unknown reason. - [NTSB FTW90LA065](https://openairdocs.org/ntsb/FTW90LA065.md): Hughes 269C · Encinal, TX · Accident · No injuries · Limited investigation · Final report · Feb 10, 1990 · N58204 · Substantial damage > The loss of directional control due to the failure of the tail rotor cable. - [NTSB LAX90LA065](https://openairdocs.org/ntsb/LAX90LA065.md): Hughes 269C · Rialto, CA · Accident · No injuries · Limited investigation · Final report · Jan 6, 1990 · N7456F · Destroyed > The lack of adequate supervision by the instructor pilot during a critical phase of flight when he allowed a student to perform in an unsafe manner without taking immediate corrective action. Next page: https://openairdocs.org/ntsb.md?model=4470504&page=3 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```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 ('4470504')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?model=4470504&page=2 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.