# NTSB investigations: Enstrom F-28C, CA 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 WPR17LA158](https://openairdocs.org/ntsb/WPR17LA158.md): Enstrom F 28C · Ontario, CA · Accident · Serious injuries · Limited investigation · Final report · Jul 19, 2017 · N5697B · Substantial damage > The student pilot's mismanagement of the main rotor rpm, which resulted in low rotor rpm, a high descent rate, and a subsequent hard landing. - [NTSB LAX02LA169](https://openairdocs.org/ntsb/LAX02LA169.md): Enstrom F-28C · Stockton, CA · Accident · Serious injuries · Limited investigation · Final report · May 20, 2002 · N51716 · Substantial damage > The pilot's failure to maintain an adequate clearance from the water tower during takeoff. Also causal was the pilot's selection of a confined area for the landing and subsequent takeoff. - [NTSB LAX01LA120](https://openairdocs.org/ntsb/LAX01LA120.md): Enstrom F-28C · Hollister, CA · Accident · Minor injuries · Limited investigation · Final report · Mar 18, 2001 · N637H · Destroyed > the pilot's inadequate use of the antitorque controls and subsequent failure to maintain directional control of the helicopter during the takeoff initial climb. - [NTSB LAX95LA332](https://openairdocs.org/ntsb/LAX95LA332.md): Enstrom F-28C · Livermore, CA · Accident · 1 fatal · Limited investigation · Final report · Sep 10, 1995 · N5689T · Destroyed > the pilot's inadequate preflight fuel load determination procedures which resulted in fuel exhaustion. In addition, the pilot's delayed and improper use of the collective and cyclic flight controls following the engine failure led to his failure to maintain… - [NTSB LAX95LA139](https://openairdocs.org/ntsb/LAX95LA139.md): Enstrom F28C-2 · San Gorgonio, CA · Accident · No injuries · Limited investigation · Final report · Mar 19, 1995 · N5693W · Destroyed > the pilot's selection of an inadequate terrain clearance altitude while overflying mountainous terrain. - [NTSB LAX95LA017](https://openairdocs.org/ntsb/LAX95LA017.md): Enstrom F-28C · La Verne, CA · Accident · No injuries · Limited investigation · Final report · Oct 8, 1994 · N5697D · Substantial damage > an inadvertant entry into a settling with power condition and the flight instructor's inability to correct the situation due to an inadequate altitude above ground. - [NTSB LAX92LA362](https://openairdocs.org/ntsb/LAX92LA362.md): Enstrom F28C · Irwindale, CA · Accident · No injuries · Limited investigation · Final report · Aug 20, 1992 · N595H · Substantial damage > The pilot's misjudgment of the landing flare during a practice autorotation. - [NTSB LAX92TL#07](https://openairdocs.org/ntsb/LAX92TL%2307.md): Enstrom F-28C · Oakland, CA · Accident · No injuries · Class 3 · Final report · May 28, 1992 · N120PD · Substantial damage - [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 LAX85LA089](https://openairdocs.org/ntsb/LAX85LA089.md): Enstrom F-28C · Sausalito, CA · Accident · No injuries · Limited investigation · Final report · Dec 28, 1984 · N51755 · Substantial damage > Wx conds were sky obscured, visibility less than 1/16 of a mile in fog. Plt arrived at heliport, went directly to acft and started engine. Another heliport plt went to acft and advised mishap plt against departure due to low visibility. Mishap plt replied he… - [NTSB LAX83LA429](https://openairdocs.org/ntsb/LAX83LA429.md): Enstrom F-28C · Quincy, CA · Accident · No injuries · Limited investigation · Final report · Sep 8, 1983 · N619H · Substantial damage > The acft was on a flt to a radio transmitter site at about the 7000 ft level in mountainous terrain. During arrival to the helipad, the plt noticed that several vehicles were parked on the landing surface. While in a hover, he maneuvered the helicopter to an… - [NTSB LAX83LA175](https://openairdocs.org/ntsb/LAX83LA175.md): Enstrom F-28C · Chino, CA · Accident · No injuries · Limited investigation · Final report · Mar 31, 1983 · N595H · Substantial damage > The rated airplane plt was endorsed for local solo flts in the helicopter & was practicing autorotative landings. He stated that during a landing, he flared late & allowed the tail & tail rotor to impact the rwy. - [NTSB LAX82DVA06](https://openairdocs.org/ntsb/LAX82DVA06.md): Enstrom F-28C · Shaver Lake, CA · Accident · No injuries · Closed · Oct 22, 1981 · N56876 · Substantial damage - [NTSB LAX81FVD08](https://openairdocs.org/ntsb/LAX81FVD08.md): Enstrom F-28-C · Eureka, CA · Accident · No injuries · Closed · Dec 26, 1980 · N541H · Substantial damage - [NTSB LAX80FVG26](https://openairdocs.org/ntsb/LAX80FVG26.md): Enstrom F28C · Sacramento, CA · Accident · No injuries · Closed · Apr 16, 1980 · N51764 · Substantial damage - [NTSB OAK79DXQ29](https://openairdocs.org/ntsb/OAK79DXQ29.md): Enstrom F-28C · Bridgeport, CA · Accident · No injuries · Closed · Jul 26, 1979 · N593H · Substantial damage ## 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."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3300407')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?model=3300407&state=CA --- 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.