NTSB investigations: Enstrom F-28C, CO

6 cases on aircraft the registry lists as Enstrom F-28C. 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

19912026
NTSB investigations: Enstrom F-28C, CO per year, 1991–2026: 6 cases
19911
19931
19981
20011
20021
20051

Latest 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.\"eventStateOrRegion\" = 'CO' 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"

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.

NTSB DEN05LA068Accident · No injuriesLimited investigationFinal reportEnstrom F-28C · Morrison, COthe pilot's failure to maintain rotor RPM during the approach which resulted in a landing short of the helipad.Apr 13, 2005 · N5690K · Substantial damageNTSB DEN03LA018Accident · Minor injuriesLimited investigationFinal reportEnstrom F-28C · Morrison, COthe pilot not maintaining clearance from the telephone lines during landing. Factors contributing to the accident were the pilot not being able to see the telephone lines, the low altitude, and the dark night.Nov 23, 2002 · N552CS · Substantial damageNTSB DEN01LA106Accident · No injuriesLimited investigationFinal reportEnstrom F-28C · Elizabeth, COthe loss of engine power during approach for an undetermined reason. A contributing factor was the high density altitude.May 30, 2001 · N83GT · Substantial damageNTSB FTW98LA129Accident · No injuriesLimited investigationFinal reportEnstrom F-28C-2 · Broomfield, COwater contamination in the fuel, which resulted in loss of engine power and a forced (autorotative) landing. Factors relating to the accident were: darkness; and a high obstruction in the emergency landing area.Feb 15, 1998 · N5693M · Substantial damageNTSB DEN93LA070Accident · No injuriesLimited investigationFinal reportEnstrom F-28C · Boulder, COA failure by the pilot flying to adequately compensate for wind conditions which led to a loss of tail rotor control. A factor was: inadequate supervision by the pilot in command.Jun 27, 1993 · N625H · Substantial damageNTSB DEN92LA001Accident · No injuriesLimited investigationFinal reportEnstrom F-28C · Evergreen, COIn flight encounter with a sudden downdraft. A factor was: the pilot's lack of total experience in aircraft type.Oct 2, 1991 · N552H · Substantial damage