NTSB investigations: Jacobs R755B series

5 cases on aircraft whose registry engine model is Jacobs R755B series, where the first occurrence was “Nose over”. 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

19862026
NTSB investigations: Jacobs R755B series per year, 1986–2026: 5 cases
19861
19901
19911
19941
19981

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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('35007')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 300))
  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 ATL98LA101Accident · No injuriesLimited investigationFinal reportWaco WMF · Chamblee, GAThe pilot's excessive taxi speed and excessive braking action that resulted in a nose over.Aug 6, 1998 · N723SR · Substantial damageNTSB LAX94LA137Accident · Minor injuriesLimited investigationFinal reportWaco YMF-5 · Carlsbad, CAThe pilot's failure to follow the correct procedures when he released the parking brake. The inadvertently engaged parking brake and the outdated flight manual were factors in this accident.Feb 24, 1994 · N50YM · Substantial damageNTSB LAX91LA271Accident · No injuriesLimited investigationFinal reportClassic YMF · Bullhead City, AZExcessive brake application by the pilot in command. A contributing factor in the accident was the wind gusts.Jun 22, 1991 · N7P · Substantial damageNTSB NYC90LA136Accident · Minor injuriesLimited investigationFinal reportClassic Waco · Plymouth, CTThe failure of the pilot to correctly recover from a bounced landing. Factors related to the accident were: improper use of the brakes by the pilot.Jun 22, 1990 · N226HS · Substantial damageNTSB MIA87LA007Accident · No injuriesLimited investigationFinal reportWaco YMF · Key West, FLThe acft nosed over during landing roll. The professional plt stated that he was certain the brakes were off prior to takeoff and that he was sure he was not 'riding' the braked on landing. The plt stated that he thought the parking brake may have come on…Oct 15, 1986 · N99Y · Substantial damage