# NTSB investigations: Lycoming HIO-360 series, 1988 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. ## Latest cases - [NTSB CHI89LA029](https://openairdocs.org/ntsb/CHI89LA029.md): Mcdonnell Douglas 269C · Frankfort, IL · Accident · Minor injuries · Limited investigation · Final report · Nov 28, 1988 · N1098P · Substantial damage > The helicopter experienced a tree strike with the main rotor blades and then rolled over when it struck the ground during a precautionary landing attempt. The helicopter had been conducting contract power line patrol when the PIC noted an apparent partial… - [NTSB LAX89LA044](https://openairdocs.org/ntsb/LAX89LA044.md): Enstrom F-28C · Inyokern, CA · Accident · No injuries · Limited investigation · Final report · Nov 16, 1988 · N552CS · Destroyed > The pilot stated that, 'I landed in an open unpopulated area for the mechanic... To make adjustments on the main blade (we were tracking and balancing the blades). I never shut the engine down. I disengaged the clutch. After the adjustment was made, I… - [NTSB MIA89LA018](https://openairdocs.org/ntsb/MIA89LA018.md): Schweizer 269C · Arcadia, FL · Accident · No injuries · Limited investigation · Final report · Oct 28, 1988 · N75068 · Substantial damage > After making an apch to 'the numbers' on rwy 5, the plt decelerated the helicopter & began to air taxi to the refueling area. Subsquently, while decelerating and/or while taxiing, the tail rotor collided with terrain. - [NTSB FTW89LA010](https://openairdocs.org/ntsb/FTW89LA010.md): Hughes 269C · Dickens, TX · Accident · No injuries · Limited investigation · Final report · Oct 27, 1988 · N7463F · Destroyed > The pilot was inspecting a herd of cattle when he thought the helicopter was developing a problem with the engine and main rotor. He started an autorotation, lost tail rotor control, and went into a left spin which continued to contact with the ground.… - [NTSB NYC88LA226](https://openairdocs.org/ntsb/NYC88LA226.md): Hughes 269A · Pittstown, NJ · Accident · Minor injuries · Limited investigation · Final report · Aug 21, 1988 · N7028V · Substantial damage > The CFI was demonstrating a departure autorotation to a prospective student. A high rate of descent with low airspeed and low rotor RPM developed and the CFI attempted a power recovery with no results. The acft touched down hard, the skids collapsed and the… - [NTSB CHI88DEE07](https://openairdocs.org/ntsb/CHI88DEE07.md): Hughes 269C · Sandwich, IL · Accident · No injuries · Final report · Jul 21, 1988 · N7425F · Substantial damage > The plt rprtd that while he was conducting spraying opns, he noted a significant loss of eng power. He made a run-on landing in a bean field. As he landed, the left skid dug into a furrow & the helicopter rolled over. During the investigation, which included… - [NTSB SEA88LA127](https://openairdocs.org/ntsb/SEA88LA127.md): Enstrom F-28F · Haines, AK · Accident · No injuries · Limited investigation · Final report · Jul 13, 1988 · N8620C · Substantial damage > The pilot purchased the helicopter with an undocumented modification designed to restrain the collective. Reportedly, hereceived no guidance regarding the use of the collective hold-down device. According to the aircraft manufacturer there existed no Enstrom… - [NTSB ATL88FA168](https://openairdocs.org/ntsb/ATL88FA168.md): Hughes 269A · Ozark, AL · Accident · 1 fatal · Field investigation · Final report · May 9, 1988 · N1038Y · Substantial damage > Three months prior to the accident a mechanic repaired the left magneto. He reinstalled it and timed it with the right magneto. Both magnetos were found to have advanced timing. Internal examination showed discrepancies which would lead to electrical… - [NTSB SEA88LA073](https://openairdocs.org/ntsb/SEA88LA073.md): Hughes 269C · Sitka, AK · Accident · No injuries · Limited investigation · Final report · Apr 12, 1988 · N92PC · Substantial damage > During sling operations, the long line became separated and entangled in the tail rotor at about 300 feet AGL. The pilot landed the helicopter onto a beach area where it rolled over onto its left side striking the main rotor. No accident report has been filed… - [NTSB FTW88LA080](https://openairdocs.org/ntsb/FTW88LA080.md): Hughes 269C · Tomball, TX · Accident · Minor injuries · Limited investigation · Final report · Mar 15, 1988 · N58332 · Substantial damage > As the helicopter lifted off the portable landing platform, it rolled to the right and contacted the terrain. The pilot could not determine if the skid was caught on the platform or if it slid off the side. ## 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 year(c."eventDate") = 1988 AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41524')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=41524&year=1988 --- 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.