Fatal NTSB investigations: Jacobs L4 /R755-7

9 cases on aircraft whose registry engine model is Jacobs L4 /R755-7. 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
Fatal NTSB investigations: Jacobs L4 /R755-7 per year, 1964–2026: 9 cases
19641
19681
19751
19781
19831
19841
19971
20041
20131

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.\"highestInjuryLevel\" = 'Fatal'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('35003'))
  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 ERA13FA402Accident · 2 fatalField investigationFinal reportCessna T-50 · Lenox Twp., PAThe pilot's intentional visual flight into night instrument meteorological conditions and thunderstorms and his improper decision to takeoff without getting updated weather information after a briefer cautioned him during a previous flight that visual flight…Sep 3, 2013 · N41759 · DestroyedNTSB NYC04LA118Accident · 1 fatalLimited investigationFinal reportCessna T-50 · Sharon, MAThe loss of power in one engine for undetermined reasons. Factors were the excessive weight, and degraded climb performance.May 7, 2004 · N45P · Substantial damageNTSB ATL97FA095Accident · 1 fatalField investigationFinal reportBoeing Stearman B75N1 · Locust Grove, GAThe inadvertent stall encountered by the pilot after experiencing an in-flight cylinder head separation.Jul 2, 1997 · N450GC · DestroyedNTSB MKC84FA272Accident · 2 fatalField investigationFinal reportCessna 195A · Akron, IAN19JW, a Cessna 195A and N8783X, a Cessna 182 departed mapleton, IA, at aprx 0805 on a VFR flt to Akron, IA, to attend a fly-in breakfast. The two acft did not travel the same route of flight to Akron, N19JW crossed over the midpoint of the arpt on crosswind…Sep 9, 1984 · N19JW · 2 aircraft · DestroyedNTSB CHI83LA232Accident · 1 fatalLimited investigationFinal reportBoeing A75N1 · Lebanon, INThe plt had flown the acft to boone county arpt to get the acft's carburetor adjusted. After the adjustment, he took off to the south on a grass rwy beside the concrete rwy. While climbing thru about 300 to 400 ft AGL, the eng began running rough. The plt…May 27, 1983 · N52470 · Substantial damageNTSB LAX78FA060Accident · 2 fatalClosedCessna 195 · Grand Canyon, AZJul 4, 1978 · N9809A · DestroyedNTSB SEA7KAS006Accident · 2 fatalClosedCessna 195A · Lincoln City, ORJul 28, 1975 · N1529D · DestroyedNTSB CHI69A0010Accident · 3 fatalClosedFairchild 24 · Lombard, ILJul 27, 1968 · N92E · DestroyedNTSB UNK64X1388Accident · 3 fatalClosedCessna 195A · Grants, NMApr 19, 1964 · N82Q · Destroyed