NTSB investigations: Lycoming IO-540-AE1A5, 2024

12 cases on aircraft whose registry engine model is Lycoming IO-540-AE1A5. 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

20072026
NTSB investigations: Lycoming IO-540-AE1A5, 2024 per year, 2007–2026: 160 cases
20075
20084
20096
20103
20113
20129
20138
20146
201510
20166
201711
20188
201914
20205
202115
20228
20238
202412
202513
20266

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 year(c.\"eventDate\") = 2024
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41899'))
  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 WPR25LA034Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Durkee, ORThe pilot's inadequate performance planning, which resulted in insufficient engine power to transition into an out-of-ground-effect hover at a high gross weight.Nov 7, 2024 · N4361R · Substantial damageNTSB CEN25FA034Accident · 3 fatalClass 3 · FieldPreliminary reportRobinson Helicopter R44 II · Iowa, LAOn November 1, 2024, about 2106 central daylight time, a Robinson R-44 II helicopter, N62CD, was destroyed when it was involved in an accident near Iowa, Louisiana. The pilot and two passengers were fatally injured. The helicopter was operated as a Title 14…Nov 2, 2024 · N62CD · DestroyedNTSB ERA24LA393Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Ravenel, SCThe pilot’s failure to maintain clearance from terrain, which resulted in the right skid contacting the ground and a subsequent rollover.Sep 23, 2024 · N153LA · Substantial damageNTSB WPR24LA307Accident · Serious injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Basin, MTThe pilot’s decision to continue performing a high-performance takeoff in a full throttle and low-rotor-rpm condition, which resulted in a loss of control and subsequent impact with terrain.Sep 15, 2024 · N233WT · Substantial damageNTSB ANC24LA079Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Palmer, AKThe pilot's failure to follow the operator’s procedure manual and attempted to land at a remote landing zone in high wind conditions. Contributing factor was the pilot’s decision to not conduct a fly over of the landing site to determine wind condition which…Aug 18, 2024 · N783AK · Substantial damageNTSB WPR24LA241Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Herriman, UTA hard landing following a total loss of engine power due to fuel starvation as a result of the improper idle setting of the helicopter’s engine. Contributing to the loss of engine power was the instructor’s reduction of engine power past that recommended by…Jul 13, 2024 · N6960 · Substantial damageNTSB ANC24FA063Accident · 3 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 · Kekaha, HIAn encounter with turbulence due to downdraft winds that resulted in mast bumping and an in-flight breakup.Jul 11, 2024 · N144KW · Substantial damageNTSB CEN24LA252Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · New Florence, MOThe pilot’s failure to maintain proper altitude/clearance from a dead tree limb during an aerial application flight.Jul 4, 2024 · N225AM · Substantial damageNTSB WPR24FA200Accident · 2 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 II · Bluestem, WAThe pilot’s failure to manage main rotor rpm during an autorotation, which resulted in a loss of helicopter control. Contributing to the accident was a loss of power for reasons that could not be determined.Jun 19, 2024 · N323TT · DestroyedNTSB ERA24LA236Accident · No injuriesClass 4 · LimitedFinal reportRobinson R44 · Gilbertsville, KYThe pilot's failure to maintain control of the helicopter while attempting to take off from sloping terrain.Jun 2, 2024 · N220SW · Substantial damageNTSB ERA24LA171Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · South Kingstown, RIThe pilot’s failure to maintain clearance from the water while maneuvering at low altitude.Apr 9, 2024 · N331EL · Substantial damageNTSB ERA24LA118Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Miami, FLTail rotor contact with an unseen object while performing a precautionary landing to a closed helipad at night.Feb 1, 2024 · N521LS · Substantial damage