NTSB investigations: Franklin 6V 350 series, 1987

4 cases on aircraft whose registry engine model is Franklin 6V 350 series. 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

19642026
NTSB investigations: Franklin 6V 350 series, 1987 per year, 1964–2026: 156 cases
19643
19651
19663
19674
19686
19695
19708
19719
197210
197312
19748
19758
19767
19774
19789
19793
19801
19826
19842
19851
19861
19874
19893
19903
19911
19921
19931
19941
19961
19974
19991
20011
20031
20041
20052
20061
20074
20081
20092
20103
20111
20131
20141
20161
20173
20212

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 year(c.\"eventDate\") = 1987
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('27043'))
  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 ATL87LA229Accident · Minor injuriesLimited investigationFinal reportBell 47G (TOM CAT) · Dothan, ALThe plt rprtd that while he was making a turn-around over trees after the 1st swath run, the helicopter enctrd a sudden wind change. He stated that the wind cond was from a cumulus buildup which put him in a tailwind situation. As he completed his turn with…Aug 10, 1987 · N10175 · Substantial damageNTSB NYC87LA210Accident · Minor injuriesLimited investigationFinal reportBell 47G3 · Marston Mills, MAThe helicopter reached an altitude of about 50 feet when a loss of power was experienced. Immediately the pilot set up for an emergency landing and set the helicopter down. The aircraft, however, collided with the ground hard and incurred substantial damage.…Jul 24, 1987 · N6355 · Substantial damageNTSB NYC87LA182Accident · No injuriesLimited investigationFinal reportMaule M-4 · Wellsville, NYThe flight experienced a violent shimmy upon t/d and the acft veered to the right. The pilot made a go-around and experienced the same condition on the second t/d. on the third t/d, the pilot landed but was only able to maintain control of the acft until it…Jun 20, 1987 · N40354 · Substantial damageNTSB CHI87FA139Accident · 2 fatalField investigationFinal reportBell 47G · Dayton, MNAircraft collided with terrain after tailboom structure failed because of internal corrosion. The aircraft was not registered at the time of the accident and the pilot/operator failed to assure that proper or timely preventive maintenance was performed on the…Jun 3, 1987 · N128B · Destroyed