NTSB investigations: Lycoming VO-435 series
629 cases on aircraft whose registry engine model is Lycoming VO-435 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, 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_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 ('41525'))
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 ('41525'))
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 MIA83LA196Accident · No injuriesLimited investigationFinal reportBell 47G-2 · Miami, FLThe student was a rated single eng, multiengine, land plt, but did not have a helicopter rating. During a dual instructional flt, he had just completed the final phase of an autorotation & the skids were on the ground, when he abruptly pulled the collective…NTSB FTW83FA311Accident · Minor injuriesField investigationFinal reportBell 47G-2 · Bethany, OKThe helicopter collided with trees and rolled over during a forced landing after engine failure. The plt had been takingpassengers up for sight-seeing for several hours. After the last flt he and his wife had departed the city park to fly back to the acft…NTSB LAX83FUM07Accident · No injuriesFinal reportBell 47G-5 · Valley Center, CAThe acft was damaged during a forced landing following a power loss while engaged in aerial application. The pilot took off with 25 gallons of fuel which he said was usually enough for spraying 40-50 acres. This job was 19 acres but it was 10-12 miles away at…NTSB SEA83LA122Accident · No injuriesLimited investigationFinal reportBell 47G-2 · Zillah, WAThe rotorcraft made a hard landing after colliding with trees during an autorotation. The acft had experienced an enginefailure while on a repositioning flight between aerial application operations and was forced to land. The acft was autorotated into an…NTSB NYC83FHD01Accident · No injuriesFinal reportHiller UH-12D · Bricktown, NJThe plt reported an erratic RPM drop & a partial loss of power during a swath run. This occurred when the helicopter was aprx 10 ft above trees at aprx 40 KTS. The acft began losing airspeed & altitude. During an emergency landing, the tail rotor & main rotor…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.NTSB ANC83FA092Accident · No injuriesField investigationFinal reportBell B47G-2 · Anchorage, AKThe helicopter experienced a tail rotor strike during a hard landing with a door open. According to the student pilot who is a commercial pilot working on an add-on helicopter rating, the left cockpit door unlatched and partially opened on the downwind leg…NTSB MKC83FA114Accident · Serious injuriesField investigationFinal reportHiller UH-12E · Troy, KSThe acft collided with a powerline while the pilot was locating a field to spray at a later date. The pilot saw telephone lines and flew over them but hit the powerlines which were 20 feet higher. The skids caught the wires and the helicopter nosed down,…NTSB NYC83FA106Accident · 2 fatalField investigationFinal reportBell 47G-2 · Waymart, PAThis was an introductory instructional flt. Witnesses observed the helicopter flying straight & level prior to the accident. The helicopter had impacted a 60-FT tree at about the 40-FT level. No preimpact failure/falfunction of either the airframe or engine…NTSB LAX83FUA03Accident · No injuriesFinal reportBell 47G-5 · Irvine, CAThe helicopter landed hard in a field off the airport following an engine power loss. The acfr had lifted off and only traveled about 50 feet at 15 feet AGL when the power loss occurred. An engine teardown revealed that the rings on 3 cylinders had not seated…NTSB MIA83LA069Accident · Minor injuriesLimited investigationFinal reportBell 47G2 · Riverview, FLAccording to the pilot he lost control of the acft after a bird hit him on the right temple while flying at about 15 feet above the water. The acft was traveling at about 50 mph when the bird flew in through left door opening. The pilot lost control of the…NTSB ANC83LA035Accident · Minor injuriesLimited investigationFinal reportBell 47G-2 · Anchorage, AKThe helicopter made a landing during which the tail boom was severed. This was a dual instructional flight and accordingto the instructor, a high reconnaissance was performed before selecting their approach to the pinnacle. The pinnacle is a 3000 foot landing…NTSB ATL83LA011Accident · No injuriesLimited investigationFinal reportTomcat MK68 · Cope, SCBefore starting his takeoff from a trailer, the pilot failed to insure that his helper had released the right rear tiedown chain. During lift-off, the helicopter raised the trailer about 2 to 3 ft before the chain. Broke. Simultaneously, the helicopter was…NTSB LAX82DA360Accident · No injuriesFinal reportBell 47G-5 · Soledad, CAThe pilot experienced a power loss during lift-off. A hard landing was made. No reason for the malfunction was found.NTSB MKC82DA151Accident · No injuriesFinal reportBell 47G-2A · Washington, IAThe helicopter was being air taxied to the refueling location when it crashed. The pilot said he had lifted off and was about 6 ft AGL with about 20 KTS forward speed when he suddenly felt a snap and the cyclic went full left. The helicopter became…NTSB MKC82DA129Accident · No injuriesFinal reportTexas Helicopter OH-13E · 10 Sw Of Milan, MOThe plt had reduced the spray load from 90 to 50 gals to compensate for the increase in density altitude. The winds were blowing lightly during previous takeoffs but were calm during this takeoff. As the helicopter hovered forward during the takeoff it failed…NTSB SEA82DA112Accident · Serious injuriesFinal reportBell 47G-2 · Harrah, WAThe pilot reported that before taking off, the fuel quantity guages indicated there was sufficient fuel to complete one more load and still have an adequate reserve. After dispensing the load, the engine lost power while he was returning to the nurse truck.…NTSB FTW82IA268Incident · No injuriesIncident investigationFinal reportBell 47G2A1 · Near Mertzon, TXWhile the aircraft was being hovered low and slow around a water trough, directional control was lost. The pilot autorotated to the ground and on touchdown the right skid buckled and the tailrotor gearbox separated when it struck an ant hill. The pilot…NTSB NYC82DA124Accident · No injuriesFinal reportContinental EL Tomcat MK5A · Imlaystown, NJDuring a swath run, a bird flew into the windshield and the pilot rolled the helicopter to the right to avoid further bird strikes. The right spray boom contacted the crops and pulled the aircraft into the ground resulting in substantial damage.NTSB CHI82DA198Accident · Minor injuriesFinal reportBell 47G-5A · New Philadelphi, OHWhile patrolling a powerline, the pilot heard a loud noise, similar to a gunshot, which seemed to come from directly behind the firewall. Immediately after that, the helicopter started to pitch up and roll to the right. He reported that the helicopter reached…NTSB LAX82DA186Accident · No injuriesFinal reportBell 47G2 · Santa Maria, CAThe helicopter contacted the platform with a landing skid and rolled over during an attempted takeoff. As the helicopterlifted off of a truck mounted platform a skid became fouled by the truck and a dynamic roll-over occurred.NTSB SEA82DA072Accident · No injuriesFinal reportBell 47G-2 · Grandview, WAWhile dispensing herbicide (systox) over an apple orchard the pilot sensed that the engine was binding followed by a power loss. The pilot elected to dump the herbicide and performed a power-off autorotation landing in a grape vineyard. Investigation revealed…NTSB CHI82DA171Accident · Minor injuriesFinal reportBell 47G-5 · Sublette, ILPrior to this flight, the helicopter had been flown about 1 hr from roselle to Sublette, IL, then it was flown another 1/2 hr to survey the area to be sprayed. About 10 minutes after departing to spray, the engine lost power. The pilot started an autorotative…NTSB MKC82DA082Accident · Minor injuriesFinal reportBell 47G2 · Thornton, IADuring the downwind turn for the fourth spraying pass the pilot encountered a gust of wind. The pilot stated he applied power, collective and cyclic to level off at spraying altitude but the wind was too strong to prevent the tailboom from striking the ground.NTSB SEA82DA057Accident · Serious injuriesFinal reportHiller-Soloy 12E · Christmas Valle, ORThe helicopter was being used to string a transmission line. A rope (attach line) was used to connect the helicopter to the transmission line. The rope became detached and the pilot landed to have it reattached. A man, involved in the ground operations,…NTSB LAX82DA135Accident · No injuriesFinal reportBell 47G-2 · Stockton, CAThe pilot landed to pick up a flagger and take him to the end of the field. The landing was made facing north on a north-south driveway. An overhead line was located along the east side of the driveway. During takeoff, the pilot moved laterally to the west,…NTSB SEA82DA050Accident · No injuriesFinal reportBell 47G-2A · Lyle, WADuring takeoff with a load of fertilizer, insufficient power was available to maintain engine and rotor RPM and sustain flight. The pilot dumped the load, but was unable to avoid ground contact. The tail rotor struck first and separated from the aircraft. The…NTSB CHI82DER14Accident · No injuriesClosedBell 47G2 · Kerrick, MNNTSB LAX81DUK10Accident · No injuriesClosedTexas Hel OH-13H · Yuma, AZNTSB NYC81FHJ17Accident · No injuriesClosedBell 47G-2 · Farmingdale, NYNTSB NYC81FGM30Accident · Minor injuriesClosedBell 47G-2A · Hollidaysburg, PANTSB LAX81DUK02Accident · No injuriesClosedBell 47G-5 · Yuma, AZNTSB CHI81FER60Accident · No injuriesClosedBell 47G3B1 · Stewart, MNNTSB LAX81FUQ25Accident · No injuriesClosedBell 47G-2 · Agua Dulce, CANTSB CHI81DER47Accident · No injuriesClosedBell 47G-2 · Gully, MNNTSB CHI81FEV21Accident · 1 fatalClosedTexas Hel OH-13H · Danville, ILNTSB CHI81DEP22Accident · No injuriesClosedBell 47G-5 · Coloma, WINTSB SEA81DYE31Accident · Minor injuriesClosedHiller UN-12D · Castle Rock, WANTSB LAX81FUG25Accident · Serious injuriesClosedBell 47G-2 · Oasis, CANTSB FTW81DPJ24Accident · No injuriesClosedBell 47D1 · Okeene, OKNTSB MIA81FA053Accident · Minor injuriesClosedHiller UH-12D · Miami Beach, FLNTSB LAX81DVM17Accident · No injuriesClosedBell 47G · Pescadero, CANTSB MIA81FKT31Accident · No injuriesClosedHiller Acft UH-12D · Miami, FLNTSB SEA81FYM09Accident · Minor injuriesClosedBell 47G-3 · Buell, ORNTSB DEN81FA009Accident · No injuriesClosedHiller Acft 12E · Blanding, UTNTSB MIA81DLD04Accident · No injuriesClosedBell 47J · Yeehaw Jnction, FLNTSB LAX81FUJ03Accident · No injuriesClosedBell 47G-5 · Roll, AZNTSB LAX80FUK01Accident · No injuriesClosedBell 47G-5A · Yuma, AZNTSB ATL80FLA06Accident · No injuriesClosedTom Cat MK-5A · Quitman, GANTSB LAX80FVM37Accident · 1 fatalClosedTexas Hel OH-13H · Salinas, CA