NTSB investigations: Lycoming 0-540 series

17 cases on aircraft whose registry engine model is Lycoming 0-540 series, where the defining event was Hard landing. 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

20082026
NTSB investigations: Lycoming 0-540 series per year, 2008–2026: 17 cases
20081
20092
20111
20121
20131
20162
20172
20181
20191
20221
20231
20242
20261

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 ('41532')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '092'))
  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 ERA26LA228Accident · No injuriesClass 4 · LimitedFinal reportCessna R182 · Fitchburg, MAThe pilot’s improper landing flare, which resulted in a hard landing.May 26, 2026 · N6287T · Substantial damageNTSB CEN24LA322Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-32-260 · Chetek, WIThe pilot’s improper landing flare and hard landing.Aug 14, 2024 · N3613W · Substantial damageNTSB CEN24LA122Accident · No injuriesClass 4 · LimitedFinal reportPiper PA32 · Tulsa, OKThe pilot's inadvertent retraction of the flaps while landing which resulted in a hard landing and loss of directional control.Feb 23, 2024 · N3645W · Substantial damageNTSB CEN23LA213Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-28-235 · Ray, MIThe flight instructor’s failure to maintain airplane control during simulated engine-out procedures. Contributing to the accident was the flight instructor’s decision to land with a tailwind.May 20, 2023 · N586SB · Substantial damageNTSB CEN22LA404Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Beardsley, MNThe pilot’s failure to maintain aircraft control during the approach to land that resulted in an excessive descent rate and impact with terrain.Aug 30, 2022 · N7048C · Substantial damageNTSB ERA20LA053Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28 · Louisville, KYThe pilot’s improper flare to land, which resulted in a hard landing and the nose landing gear collapsing.Dec 10, 2019 · N9097W · Substantial damageNTSB GAA18CA195Accident · No injuriesData collectionFinal reportPiper PA24 · Knox, INThe flight instructor’s improper landing flare, which resulted in a hard landing.Mar 21, 2018 · N6785P · Substantial damageNTSB GAA18CA081Accident · No injuriesData collectionFinal reportPiper PA 32 · Cheboygan, MIThe pilot’s failure to maintain the airplane’s rate of descent in gusting wind conditions resulting in a hard landing and runway excursion.Dec 5, 2017 · N4887S · Substantial damageNTSB GAA17CA452Accident · No injuriesData collectionFinal reportPiper PA28 · St. Joseph, ILThe pilot’s improper landing flare, which resulted in the nose landing gear collapsing and subsequent loss of directional control.Jul 30, 2017 · N2204B · Substantial damageNTSB GAA17CA289Accident · No injuriesData collectionFinal reportCessna R182 · Llano, TXThe pilot’s improper landing flare, which resulted in a bounced landing.Oct 29, 2016 · N855SP · Substantial damageNTSB GAA16CA226Accident · No injuriesData collectionFinal reportCessna TR182 · Bloomington, INThe pilot's failure to maintain the airplane's descent rate resulting in a hard landing, and subsequent substantial damage to the firewall.May 7, 2016 · N9281R · Substantial damageNTSB WPR13CA367Accident · No injuriesData collectionFinal reportPiper PA-24-250 · Hesperia, CAThe pilot’s failure to maintain sufficient airspeed on final approach to landing which resulted in an inadvertent stall.Aug 11, 2013 · N7720P · Substantial damageNTSB ERA12CA437Accident · No injuriesData collectionFinal reportCessna TR182 · Meridianville, ALThe pilot's inadequate landing flare, which resulted in a hard, bounced landing.Jun 22, 2012 · N5527S · Substantial damageNTSB WPR11CA121Accident · No injuriesData collectionFinal reportRobinson R44 · Ogden, UTThe certified flight instructor’s failure to maintain adequate main rotor blade rpm during a practice autorotation, resulting in a hard landing and rollover.Feb 4, 2011 · N441TB · Substantial damageNTSB WPR10CA077Accident · No injuriesData collectionFinal reportPilatus Britten-Norman BN-2B-26 · Pago Pago, AntarcticaThe pilot's action to maneuver the airplane to avoid a collision with a flock of birds while on final approach, resulting in a hard landing. Contributing to the accident were the birds.Nov 30, 2009 · N27BN · Substantial damageNTSB WPR09CA271Accident · No injuriesData collectionFinal reportS.O.C.A.T.A. Rallye 235 · Ontario, ORThe pilot's misjudged landing flare. Contributing to the accident was the pilot's lack of any experience in the make and model airplane.May 23, 2009 · N315RA · Substantial damageNTSB LAX08LA284Accident · No injuriesLimited investigationFinal reportCessna TR182 · Spotted Bear, MTThe pilot's inadequate compensation for the variable wind conditions and failure to maintain adequate airspeed during landing.Aug 28, 2008 · N5523T · Substantial damage