NTSB investigations: Lycoming LTS-101 series
34 cases on aircraft whose registry engine model is Lycoming LTS-101 series. 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
| 1977 | 1 |
|---|---|
| 1981 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 2 |
| 1987 | 1 |
| 1988 | 1 |
| 1989 | 1 |
| 1991 | 1 |
| 1994 | 3 |
| 1999 | 1 |
| 2000 | 3 |
| 2001 | 1 |
| 2002 | 2 |
| 2003 | 2 |
| 2004 | 1 |
| 2005 | 2 |
| 2006 | 1 |
| 2007 | 1 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2019 | 1 |
| 2025 | 1 |
Where
Open the mapLatest 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41560'))
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.engine_model_code IN ('41560'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun 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 CEN25LA163Accident · Serious injuriesClass 4 · LimitedFinal reportMesserschmitt-Bolkow-Blohm BK 117 · Hartford, ILThe pilot’s failure to maintain directional control during the initial climb at night from a confined area landing zone, that resulted in an impact with a tree, a loss of control, and a subsequent impact with terrain.NTSB ERA19LA145Accident · Minor injuriesClass 3 · LimitedFinal reportBell 222 · Montgomery, NYA partial loss of engine power, as reported by the pilot, during takeoff for reasons that could not be determined based on available information.NTSB CEN12CA078Accident · No injuriesData collectionFinal reportMesserschmitt-Bolkow-Blohm BK 117 B-2 · Carbondale, ILThe main rotor blade’s contact with the vertical stabilizer during the engine shutdown in strong, gusty wind conditions.NTSB WPR10LA200Accident · No injuriesLimited investigationFinal reportBell 222U · Santa Maria, CAThe pilot's inadequate preflight inspection to ensure that all tie-down straps were removed prior to flight. Contributing to the accident was the pilot's improper management of sleep opportunities during the preceding rest period, which likely contributed to…NTSB CEN09CA218Accident · No injuriesData collectionFinal reportBell 222 · Milliken, COThe separation of the left engine cowling for undetermined reasons.NTSB DEN08CA035Accident · No injuriesData collectionFinal reportBell 222 UT · Casper, WYHigh winds forcing the helicopter's main rotor blade to strike the helicopter vertical stabilizer and tail boom during engine start, causing substantial damage.NTSB DFW06LA072Accident · Minor injuriesLimited investigationFinal reportBell 222B · Gulf of Mexico (Gulf of Mexico)The flight crew's failure to maintain control of the helicopter, and the crew's diverted attention to secondary tasks while preparing for the night landing. A contributing factor was the dark night conditions.NTSB NYC05LA145Accident · No injuriesLimited investigationFinal reportEurocopter Deutschland BK-117-B2 · Columbus, OHThe pilot's failure to maintain aircraft control during the landing flare, which resulted in a hard landing. A factor associated with this accident was a tailwind.NTSB ATL05FA144Accident · No injuriesField investigationFinal reportMBB BK 117 B-1 · Jacksonville, FLThe pilot in-flight decision to land in a unsuitable landing area during a precautionary landing. A factor was the loss of power on the number two engine.NTSB LAX04CA332Accident · No injuriesData collectionFinal reportBell 222U · Santa Rosa, CAthe pilot-in-command's (examinee's) incorrect collective control response to a simulated power loss of the number 1 engine.NTSB ATL04LA055Accident · Minor injuriesLimited investigationFinal reportMBB BK117A3 · Okeechobee, FLThe pilot continued visual flight into instrument meteorological conditions and experienced spatial disorientation, loss of aircraft control, and in-flight collision with trees and terrain. Factors in the accident were the pilot's failure to follow company…NTSB LAX03IA252Incident · No injuriesIncident investigationFinal reportBell 222 · Salinas, CAThe fatigue failure (fracture) of the right forward transmission lift link during cruise flight, which resulted in a severe vibration and an emergency landing.NTSB LAX02FA276Accident · 3 fatalField investigationFinal reportBell 222U · Nipton, CAThe main rotor blade separation while maneuvering for unknown reasons. A factor was the dark night condition.NTSB IAD02FA026Accident · 2 fatalField investigationFinal reportMBB BK-117 A-3 · Cleveland, OHpilot's failure to maintain directional control of the helicopter while hovering, which resulted in its collision with a building. Factors were the confined area, tail wind, and wind gusts.NTSB DEN01LA084Accident · No injuriesLimited investigationFinal reportBell 222UT · Alcova, WYthe pilot's failure to maintain tail rotor clearance during a right pedal turn while hovering.NTSB NYC00FA127Accident · Serious injuriesField investigationFinal reportEurocopter BK-117-A4 · Cincinnati, OHthe pilot's misjudgment of his closure rate, while turning to land on the rooftop helipad, which resulted in a collision with the building. Factors in the accident were the tailwind and the stuck windsock.NTSB ATL00FA048Accident · 3 fatalField investigationFinal reportEurocopter BK117-A3 · St. Petersburg, FLThe pilot's failure to maintain clearance that resulted in the in-flight collision with a tower.NTSB CHI00FA111Accident · No injuriesField investigationFinal reportBell 222U · St. Paul, MNThe loss of clamp-up force between the transmission case and the pylon mounted actuator support assembly which resulted in fatigue failure of the threaded studs and dowel pins, the failure of the flight control system, helicopter control not being possible…NTSB MIA99LA129Accident · No injuriesLimited investigationFinal reportMbb BK 117 A-3 · Sarasota, FLThe pilot-in-command's failure to maintain a visual lookout while maneuvering in a hover resulting in the tail rotor colliding with a building.NTSB LAX95LA019Accident · Minor injuriesLimited investigationFinal reportEurocopter AS-350D · Kaupo, HIa total loss of engine power by the corrosion fatigue failure of the compressor impeller due to the failure of company maintenance personnel to perform the prescribed daily compressor wash procedures and the inadequate maintenance inspections, which failed to…NTSB LAX94FA317Accident · No injuriesField investigationFinal reportAerospatiale AS350-D · Kukuihaele, HIa fatigue crack in the 'T' fitting on the power turbine governor pneumatic accumulator. A factor was the rough, rock-covered landing area.NTSB LAX94IA145Incident · No injuriesIncident investigationFinal reportAerospatiale AS-350D · Huelo, HIThe operator maintenance personnel's inadequate 100-hour inspection. The loose fuel control line fitting, the tree stump, and the unsuitable terrain were factors in this accident.NTSB LAX92FA025Accident · Minor injuriesField investigationFinal reportAerospatiale AS350B · Scottsdale, AZAn undetermined malfunction of the hydraulic system in which the system was locked, preventing the movement of the flight controls, and loss of directional control.NTSB ATL89FA116Accident · 2 fatalField investigationFinal reportMBB BK-117-A-3 · Coinjock, NCFailure of the cellular company to properly install an operational lighting system on a newly constructed transmission tower. Darkness and the company's failure to notify flight service of the unlighted tower were related factors.NTSB NYC88IA186Incident · No injuriesIncident investigationFinal reportMBB BK-117 · Manhattan, NYFailure of the main rotor blade appears to be the result of a static downward bending overstress, caused by another helicopter hovering over or very close to the main rotor blade as it was in a static/stopped position.NTSB MIA87IA141Incident · No injuriesIncident investigationFinal reportBell 222U · Oxford, MSThe pilot executed a precautionary landing after hearing a loud bang and experiencing a loss of the number 1 engine. Post accident examination revealed that the power turbine wheel blades had failed, and the wheel parts logjammed and penetrated the engine…NTSB NYC86FA183Accident · No injuriesField investigationFinal reportBell B-222A · Staten Island, NYThe helicopter, on a FAR 135 flight was in cruise flt at 900 ft. the plt was checking for called VFR traffic and the co-pilot was occuppied with the RNAV when a loud bang was heard and a sudden yaw was felt. Both crew members stated they reacted as instructed…NTSB LAX86LA098Accident · Minor injuriesLimited investigationFinal reportBell 222UT · La Habra, CAOn January 26, 1986 a Bell 222UT collided with a 3/8 inch support cable. The pilot saw the lower of two of the three support cables about 75 feet AGL as he was transitioning to forward flight from a vertical max performance t/o. the pilot applied aft cyclic…NTSB FTW86MA018Accident · 2 fatalMajor investigationFinal reportBell 222UT · East CameronThree pax rprtd that just prior to reaching the helipad, the helicopter's forward movement stopped and the helicopter wobbled or yawed from side to side. The pax's rprted that the pilot appeared to be trying to gain altitude and go forward when they heard a…NTSB ATL85LA017Accident · Minor injuriesLimited investigationFinal reportBell 222 · Pascagoula, MSThe acft sustained substantial damage while taking off from a barge during a FAR 135 medevac flt. Investigation revealedthat the barge was pitching due to rough seas. As the acft lifted, the rear of the acft was struck by the landing platform as it pitched…NTSB FTW84LA090Accident · No injuriesLimited investigationFinal reportBell 222U · Albuquerque, NMThe helicopter was parked on the ramp, facing east. When the plt called the tower for clearance, he requested a west departure. The plt received a clearance & was advised of traffic on the west ramp (behind the helicopter) & was instructed not to overfly the…NTSB FTW82DA285Accident · No injuriesFinal reportAerospatiale AS-350D · Gulf Of MexicoDuring an over water flight, the engine chip detector light illuminated and shortly thereafter, the engine failed. The pilot made an autorotative landing in the Gulf Of Mexico with no further damage. All three rotor blades were full of holes and tears and one…NTSB FTW81IA067Incident · No injuriesClosedBell 222 · Lake Charles, LANTSB FTW78FPD07Accident · No injuriesClosedBell 222 · Mansfield, TX