# NTSB investigations: Lycoming HIO-360 series, 1989 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 ATL90LA043](https://openairdocs.org/ntsb/ATL90LA043.md): Schweizer 269C · Norcross, GA · Accident · No injuries · Limited investigation · Final report · Dec 22, 1989 · N75068 · Substantial damage > The student pilot's improper execution of the landing procedure resulting in dynamic roll-over of the helicopter. - [NTSB SEA90LA016](https://openairdocs.org/ntsb/SEA90LA016.md): Hughes 269C · Estacada, OR · Accident · 1 fatal · Limited investigation · Final report · Nov 15, 1989 · N9592F · Destroyed > The pilot misjudged clearance between her external load and the obstruction. Factors related to the accident were: the obstruction, improper maintenance and modification of the external load line/hook by the operator, failure of the pilot to jettison the… - [NTSB BFO90LA011](https://openairdocs.org/ntsb/BFO90LA011.md): Enstrom F-28F · Wilmington, DE · Accident · No injuries · Limited investigation · Final report · Nov 14, 1989 · N8627J · Substantial damage > A loss of engine power as a result of the student pilot inadvertently pulling the mixture control to the idle cut-off position, and the flight instructor's inadequate supervision. A contributing factor to the accident was the rough and uneven terrain. - [NTSB MIA89LA231](https://openairdocs.org/ntsb/MIA89LA231.md): Hughes 269A · Jacksonville, FL · Accident · Minor injuries · Limited investigation · Final report · Aug 25, 1989 · N9014N · Substantial damage > Inadequate visual look-out by the pilot and his failure to maintain control of the helicopter, while maneuvering to avoid obstructions. The transmission lines were considered to be factors. - [NTSB MIA89LA243](https://openairdocs.org/ntsb/MIA89LA243.md): Hughes 269C · Hollywood, FL · Accident · Serious injuries · Limited investigation · Final report · Aug 5, 1989 · N81AM · Destroyed > The severe fuselage vibration (ground resonance) and the pilot's improper planning/decision to avoid or compensate for the occurrence. A factor related to the accident was the low shock strut. - [NTSB BFO89LA054](https://openairdocs.org/ntsb/BFO89LA054.md): Hughes 269C · Baltimore, MD · Accident · No injuries · Limited investigation · Final report · Jul 1, 1989 · N1113Z · Substantial damage > The pilot landed on unsuitable soft terrain which caused the landing skid to sink into the ground. This resulted in a landing skid overload failure and nose over of the helicopter. Contributing to the accident was the soft terrain. - [NTSB CHI89FA112](https://openairdocs.org/ntsb/CHI89FA112.md): Hughes 269C · Lockport, IL · Accident · Minor injuries · Field investigation · Final report · Jun 18, 1989 · N26628 · Destroyed > Improper flight technique by the PIC during a takeoff from a confined area. - [NTSB CHI89DEV06](https://openairdocs.org/ntsb/CHI89DEV06.md): Hughes 269C · Millersville, IL · Accident · No injuries · Final report · Jun 6, 1989 · N7439F · Destroyed > Loss of rotor RPM for an undetermined reason during a turn to reverse direction while applying agricultural chemicals. - [NTSB FTW89DRG06](https://openairdocs.org/ntsb/FTW89DRG06.md): Hughes 269C · Rocksprings, TX · Accident · 1 fatal · Final report · May 18, 1989 · N58228 · Destroyed > The pilot diverted his attention from operation of the helicopter, failed to maintian proper rotor RPM, and failed to maintain altitude (clearance) above the ground, while maneuvering at low altitude. A contributing factor was his impairment from use of a… - [NTSB NYC89LA114](https://openairdocs.org/ntsb/NYC89LA114.md): Hughes 269C · Rosehayn, NJ · Accident · Serious injuries · Limited investigation · Final report · Apr 11, 1989 · N1093Y · Substantial damage > The pilots failure to maintain control of the aircraft during landing. This resulted in an uncontrolled touchdown and rollover of the helicopter. - [NTSB LAX89LA152](https://openairdocs.org/ntsb/LAX89LA152.md): Hughes 269B · Long Beach, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 8, 1989 · N9456F · Substantial damage > Improper in-flight planning/decision by the pilot, which led to an inadequate supply of fuel to reach the airport and subsequent fuel exhaustion. The pilot's lack of flight time in this make and model of helicopter was considered to be a factor. - [NTSB LAX89LA309](https://openairdocs.org/ntsb/LAX89LA309.md): Hughes 269C · Mesa, AZ · Accident · No injuries · Limited investigation · Final report · Mar 30, 1989 · N58164 · Substantial damage > Improper flare by the student pilot, and improper supervision by the instructor pilot (CFI). - [NTSB CHI89FA062](https://openairdocs.org/ntsb/CHI89FA062.md): Hughes 269C · De Kalb, IL · Accident · Serious injuries · Field investigation · Final report · Mar 22, 1989 · N8642F · Destroyed > Fatigue failure of the number four connecting rod which resulted in an engine failure. Factors in the accident were the broken ring in the number one piston and a deteriorated center main bearing. - [NTSB SEA89LA052](https://openairdocs.org/ntsb/SEA89LA052.md): Schweizer 269C · Forrest Grove, OR · Accident · Minor injuries · Limited investigation · Final report · Mar 3, 1989 · N7505Y · Substantial damage > The pilot's misjudgment of his altitude and clearance while attempting to sling-load a trailer. ## 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") = 1989 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=1989 --- 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.