NTSB investigations: Lycoming IO-540-EXP

5 cases on aircraft whose registry engine model is Lycoming IO-540-EXP. 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

20172026
NTSB investigations: Lycoming IO-540-EXP per year, 2017–2026: 5 cases
20171
20191
20201
20231
20241

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 ('42167'))
  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 WPR25LA024Accident · No injuriesClass 3 · LimitedPreliminary reportHayden ED RV10 · Beaver Marsh, OROn October 19, 2024, about 1400 Pacific daylight time, an experimental amateur built Vans RV-10, N929EH, was substantially damaged when it was involved in an accident near Beaver Creek, Oregon. The pilot was not injured. The airplane was operated as a Title…Oct 19, 2024 · N929EH · Substantial damageNTSB CEN23LA273Accident · No injuriesClass 3 · LimitedFinal reportBerkut 540 · Cedar Rapids, IAA partial loss of engine power during the test flight due to multiple ignition system anomalies.Jul 1, 2023 · N567JS · Substantial damageNTSB WPR21LA019Accident · Serious injuriesClass 3 · LimitedFinal reportGlasair III · Hayward, CAA total loss of engine power due to fuel starvation because of a clogged fuel filter. Contributing to the accident was the improper maintenance and inspection of the fuel filter.Oct 21, 2020 · N1YX · Substantial damageNTSB GAA19CA337Accident · No injuriesData collectionFinal reportVans RV10 · Fort Drum, FLThe pilot's failure to maintain the proper airspeed during approach, which resulted in an aerodynamic stall.May 25, 2019 · N702CL · Substantial damageNTSB GAA18CA075Accident · Minor injuriesData collectionFinal reportJones Kent C Vans RV-10 · Limon, COThe pilot’s unstabilized approach and failure to go around at night, which resulted in the airplane impacting a power line and a subsequent hard landing.Dec 8, 2017 · N9738J · Substantial damage