NTSB investigations: Lycoming IO-540 series, 2021

27 cases on aircraft whose registry engine model is Lycoming IO-540 series. 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

19642026
NTSB investigations: Lycoming IO-540 series, 2021 per year, 1964–2026: 1,056 cases
19641
19652
19661
19674
19681
19692
19703
19711
19723
19731
19741
19751
19764
19773
19786
19797
198018
198110
198216
198317
198430
198520
198617
198715
198812
198911
199014
199114
199219
199324
199413
199514
199616
199716
199816
199928
200027
200132
200237
200330
200435
200530
200631
200734
200829
200919
201029
201122
201226
201321
201428
201519
201618
201728
201827
201916
202015
202127
202223
202324
202414
202518
202616

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\") = 2021
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41530', '41585'))
  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 ERA22FA096Accident · 1 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 II · Cosby, TNThe pilot’s intentional, continued flight into instrument meteorological conditions in a helicopter that was not certified for instrument conditions, which resulted in a loss of helicopter control and a collision with trees and terrain.Dec 29, 2021 · N544SC · Substantial damageNTSB ERA22LA090Accident · 2 fatalClass 3 · LimitedFinal reportAerofab Lake LA-4-250 · Auburndale, FLA bird strike, which resulted in a loss of control while flying at low altitude over a lake.Dec 17, 2021 · N1402C · DestroyedNTSB CEN22LA065Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-24-250 · Delta, COFuel starvation resulting in a loss of engine power.Dec 8, 2021 · N543AS · Substantial damageNTSB ANC22LA010Accident · No injuriesClass 4 · LimitedFinal reportFound Acft Canada FBA-2C1 · Kenai, AKThe pilot’s failure to maintain directional control during takeoff, which resulted in a runway excursion.Nov 30, 2021 · N108J · Substantial damageNTSB ERA22LA077Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-32-301 · Orlando, FLThe pilot’s inadequate compensation for winds during the landing roll.Nov 23, 2021 · N81991 · Substantial damageNTSB WPR22LA046Accident · Minor injuriesClass 3 · LimitedFinal reportVans RV10 · Hurricane, UTThe total loss of engine power due to a loose fuel line at the fuel servo outlet port.Nov 22, 2021 · N54CT · Substantial damageNTSB WPR22FA044Accident · 1 fatalClass 3 · FieldFinal reportJahnke Lionel G Glasair III · Big Bear City, CAThe pilot’s failure to maintain clearance from mountainous terrain for reasons that could not be determined based on the available information, which resulted in controlled flight into terrain.Nov 21, 2021 · N291KT · DestroyedNTSB WPR21LA359Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Phoenix, AZThe student pilot's failure to maintain helicopter control while making a clearing turn which resulted in a hard landing.Sep 30, 2021 · N74706 · Substantial damageNTSB WPR21LA357Accident · Serious injuriesClass 3 · LimitedFinal reportFonville Swearingen SX300 · Buckeye, AZThe total loss of engine power due to the failure of the left magneto.Sep 18, 2021 · N5SX · Substantial damageNTSB WPR21LA347Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-32R-301 · Stanley, IDThe pilot’s failure to maintain airplane control during landing with a gusting crosswind which, resulted in a hard landing and collision with terrain.Sep 15, 2021 · N529PE · Substantial damageNTSB ANC21LA080Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Pelican, AKThe pilot’s loss of control while landing on a remote helipad.Aug 31, 2021 · N779DZ · Substantial damageNTSB ANC21LA079Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Pelican, AKThe pilot’s improper preflight planning to ensure adequate power to hover out-of-ground effect while conducting external load operations.Aug 30, 2021 · N878CB · Substantial damageNTSB WPR21LA341Accident · No injuriesClass 4 · LimitedFinal reportRobinson R44 · Camp Verde, AZThe pilot's inadequate preflight performance calculations which resulted in an aborted takeoff and collision with trees.Aug 28, 2021 · N544SH · Substantial damageNTSB CEN21LA378Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Gonzales, LAThe pilot’s inadvertent collision with a tree while landing at night which resulted in a hard landing.Aug 21, 2021 · N222VB · Substantial damageNTSB CEN21LA358Accident · No injuriesClass 3 · LimitedFinal reportCessna 182 · Patterson, LAThe mechanic’s failure to properly secure the throttle arm rendering it loose and inoperable after takeoff, which resulted in a total loss of engine power.Jul 27, 2021 · N148LP · Substantial damageNTSB CEN21LA321Accident · No injuriesClass 4 · LimitedFinal reportSwann Lynn J Seawind 3000 · Charlevoix, MIThe loss of engine power for undetermined reasons based on available evidence.Jul 3, 2021 · N8UU · DestroyedNTSB CEN21LA302Accident · Minor injuriesClass 3 · LimitedFinal reportPiper Aerostar 600A · Wichita, KSThe pilot’s improper fuel planning and management, which resulted in a total loss of engine power due to fuel exhaustion.Jul 2, 2021 · N10HK · Substantial damageNTSB CEN21LA273Accident · No injuriesClass 3 · LimitedFinal reportTony Dubeansky RV10 · Fort Worth, TXA partial loss of engine power due to a separated electronic ignition system connector. Contributing to the accident was the location of the ignition boxes, which provided limited access to the connectors for visual inspection.Jun 16, 2021 · N878TD · Substantial damageNTSB ERA21LA252Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Sylva, NCThe pilot’s intentional departure from the procedures published in the manufacturer’s flight training guide, and his subsequent loss of engine rpm, rotor rpm, and aircraft control.Jun 14, 2021 · N443SH · Substantial damageNTSB ERA21LA241Accident · Serious injuriesClass 4 · LimitedFinal reportPiper PA-24-260 · Robbinsville, NJThe pilot’s mismanagement of fuel, which resulted in a total loss of engine power.Jun 6, 2021 · N79RG · Substantial damageNTSB WPR21LA204Accident · Serious injuriesClass 3 · LimitedFinal reportMcclure B J Glasair III · Eugene, ORThe pilot’s loss of airplane control during the approach to landing due to an asymmetrical flap deployment for reasons that could not be determined based on the available evidence.May 20, 2021 · N54CB · DestroyedNTSB ERA21LA186Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-32R-301 · Troy, ALAn unanticipated encounter with a deer shortly after touchdown, resulting in a collision and substantial damage to the airframe.Apr 11, 2021 · N299HP · Substantial damageNTSB WPR21LA362Accident · No injuriesClass 3 · LimitedFinal reportMaule MX-7-235 · Ontario, ORA loss of hydraulic fluid and failure of the right brake for reasons that could not be determined due to a lack of available evidence.Mar 28, 2021 · N235X · Substantial damageNTSB ERA21LA153Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-32RT-300 · Brevard, NCThe pilot’s improper landing flare, which resulted in a hard landing, overstress fracture of components of the left main landing gear, and subsequent runway excursion.Mar 7, 2021 · N94GF · Substantial damageNTSB ANC21LA017Accident · Minor injuriesClass 4 · LimitedFinal reportMaule M-6-235 · Tyonek, AKThe pilot’s selection of unsuitable terrain for landing, which resulted in the airplane encountering deep snow and coming to rest inverted.Feb 13, 2021 · N56517 · Substantial damageNTSB ERA21LA123Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-32-301 · Homestead, FLA total loss of power for reasons that could not be determined, as the airplane was not recovered from the water following the ditching.Jan 22, 2021 · N8224H · Substantial damageNTSB CEN21LA112Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-32R-301 · Sparta, MIThe pilot’s failure to maintain the proper glideslope during final approach, which resulted in contact with a snowbank at the approach end of the runway.Jan 12, 2021 · N35718 · Substantial damage