NTSB investigations: Lycoming IO-360-L2A, CO

22 cases on aircraft whose registry engine model is Lycoming IO-360-L2A. 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

20042026
NTSB investigations: Lycoming IO-360-L2A, CO per year, 2004–2026: 22 cases
20042
20071
20091
20101
20111
20122
20161
20171
20202
20212
20221
20234
20241
20251
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.\"eventStateOrRegion\" = 'CO' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41597'))
  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 CEN26LA133Accident · No injuriesClass 4 · LimitedFinal reportCessna 172S · Denver, COThe solo student pilot's improper landing flare and subsequent improper recovery from a bounced landing which resulted in substantial damage to the airplane.Feb 28, 2026 · N1071Z · Substantial damageNTSB CEN25LA088Accident · No injuriesClass 4 · LimitedFinal reportCessna 172S · Air Force Academy, COThe pilot’s failure to maintain airplane control during final approach after encountering an unexpected windshear.Jan 27, 2025 · N51387 · Substantial damageNTSB CEN24LA350Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172 · Englewood, COA partial loss of engine power due to fuel-oil contamination of the fuel injection servo.Sep 11, 2024 · N20747 · Substantial damageNTSB CEN24LA036Accident · No injuriesClass 3 · LimitedFinal reportTextron 172S · Erie, COA partial loss of engine power while maneuvering at a low altitude due to a stuck exhaust valve.Nov 9, 2023 · N1817E · Substantial damageNTSB CEN23LA394Accident · Minor injuriesClass 4 · LimitedFinal reportTextron 172S · Englewood, COAn in-flight collision with multiple geese during initial climb.Sep 2, 2023 · N20818 · Substantial damageNTSB CEN23LA179Accident · No injuriesClass 4 · LimitedFinal reportTextron 172S · Englewood, COThe pilot’s decision to adjust his seat during taxi, which resulted in his seat sliding aft, and subsequent loss of directional control.May 6, 2023 · N34BL · Substantial damageNTSB CEN23LA102Accident · No injuriesClass 4 · LimitedFinal reportCessna 172S · Limon, COThe pilot’s failure to maintain directional control during the takeoff roll.Feb 1, 2023 · N5163H · Substantial damageNTSB CEN22FA424Accident · 3 fatalClass 3 · FieldFinal reportCessna 172S · Longmont, COThe pilots’ inability to see and avoid each other, resulting in a midair collision.Sep 17, 2022 · N2117Y · 2 aircraft · DestroyedNTSB CEN21LA414Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172S · LaSalle, COA loss of engine power for undetermined reasons.Sep 10, 2021 · N2099J · Substantial damageNTSB CEN21LA160Accident · No injuriesClass 4 · LimitedFinal reportCessna 172 · Watkins, COThe pilot’s failure to maintain directional control during takeoff and the instructor pilot’s inadequate supervision of the pilot’s takeoff.Mar 17, 2021 · N786CP · Substantial damageNTSB CEN20CA128Accident · No injuriesData collectionFinal reportCessna 172 · Denver, COThe pilot's incorrect right rudder application during a touch-and go-landing, which resulted in a loss of directional control, runway excursion, and a collision with a runway sign.Mar 18, 2020 · N1132W · Substantial damageNTSB CEN20CA094Accident · No injuriesData collectionFinal reportCessna 172 · Boulder, COThe pilot's loss of directional control during the landing roll on the slush-covered runway.Feb 20, 2020 · N370SP · Substantial damageNTSB CEN17FA111Accident · 2 fatalField investigationFinal reportCessna 172S · Berthoud, COThe failure of the pilots to apply prompt and/or correct flight control inputs to adequately recover from the intentional aerodynamic spin.Feb 27, 2017 · N2461N · Substantial damageNTSB GAA17CA060Accident · No injuriesData collectionFinal reportCessna 172 · Englewood, COAn in-flight collision with multiple birds.Nov 7, 2016 · N6026Z · Substantial damageNTSB CEN12LA414Accident · Minor injuriesLimited investigationFinal reportCessna 172S · Glenwood Springs, COThe pilot's decision to fly into a mountainous area where conditions were such that the airplane was unable to climb above rising terrain. Contributing to the accident was the pilot's insufficient pilot-in-command experience and inadequate training in…Jun 30, 2012 · N917SA · Substantial damageNTSB CEN12FA199Accident · 2 fatalField investigationFinal reportCessna 172S · Longmont, COThe inadequate visual lookout by the pilots of both airplanes, which resulted in a mid-air collision.Mar 23, 2012 · N10468 · 2 aircraft · Substantial damageNTSB CEN11CA392Accident · No injuriesData collectionFinal reportCessna 172S · Cortez, COThe pilot's failure to maintain aircraft control while landing in gusty crosswind conditions.Jun 14, 2011 · N6017J · Substantial damageNTSB CEN10LA563Accident · No injuriesLimited investigationFinal reportCessna 172S · Longmont, COThe pilot's inadequate landing flare and improper recovery from a bounced landing.Sep 22, 2010 · N2459K · Substantial damageNTSB CEN09CA530Accident · No injuriesData collectionFinal reportCessna 172 · Centennial, COThe pilot's failure to maintain directional control of the airplane during the landing flare in crosswind conditions.Aug 16, 2009 · N22265 · Substantial damageNTSB DEN07CA154Accident · No injuriesData collectionFinal reportCessna 172R · Fort Collins, COThe student pilot's improper flare and recovery from a bounced landing.Aug 13, 2007 · N249FS · Substantial damageNTSB DEN04CA137Accident · No injuriesData collectionFinal reportCessna 172S · Erie, COthe pilot's failure to maintain aircraft control resulting in a hard landing. Factors contributing to the accident were the pilot induced oscillation and the high approach airspeed.Aug 29, 2004 · N2099J · Substantial damageNTSB DEN04LA053Accident · No injuriesLimited investigationFinal reportCessna C172 · Broomfield, COthe pilot of the Maule's failure to maintain a visual lookout.Mar 26, 2004 · N5345G · 2 aircraft · Substantial damage