NTSB investigations: Enstrom F-28A, MI

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

19772026
NTSB investigations: Enstrom F-28A, MI per year, 1977–2026: 6 cases
19771
19791
19841
19871
19911
20011

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\" = 'MI' 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 ('3300406'))
  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 CHI02FA001Accident · 1 fatalField investigationFinal reportEnstrom F-28A · Attica, MIThe reported loss of engine power due to fuel exhaustion during cruise flight, the pilot not performing an autorotation, the pilot not maintaining rotor RPM during his emergency descent, and the pilot not maintaining control of the helicopter. A factor was…Oct 3, 2001 · N137E · Substantial damageNTSB CHI91LA131Accident · No injuriesLimited investigationFinal reportEnstrom F-28A · Grand Ledge, MIThe student's failure to maintain a proper altitude and clearance from the terrain along with the cfi's failure to adequately supervise the student's actions. A factor contributing to the accident was the inadequate visual lookout available due to the night…Apr 12, 1991 · N294Q · Substantial damageNTSB CHI88LA014Accident · No injuriesLimited investigationFinal reportEnstrom F-28A · Lapeer, MIThe helicopter was in cruise flt when the rgt side horizontal stabilizer attach tube failed & separated from the tail boom, then contacted the tail rotor. This resulted in failure of the tail rotor drive shaft flex coupling at the tail rotor gear box. In…Oct 31, 1987 · N9583 · Substantial damageNTSB CHI84LA209Accident · No injuriesLimited investigationFinal reportEnstrom F-28A · Martin, MIThe plt had landed on a dragstrip after he encountered deteriorating wx. When the wx improved, he took off & attempted to depart over a bleacher area. The plt had difficulty climbing over the bleachers & said 'noticed RPM at 2700, helicopter in a turn.' He…May 25, 1984 · N490H · Substantial damageNTSB CHI79FEM23Accident · No injuriesClosedEnstrom F-28A · Albion, MIJun 24, 1979 · N4883 · Substantial damageNTSB CHI77FEC21Accident · Serious injuriesClosedEnstrom F-28A · Howell, MIMar 17, 1977 · N9598 · Destroyed