# NTSB investigations: Lycoming IO-540 series

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

Page 3 of 22 · 1,056 cases

## Cases, newest first

- [NTSB WPR22LA046](https://openairdocs.org/ntsb/WPR22LA046.md): Vans RV10 · Hurricane, UT · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 22, 2021 · N54CT · Substantial damage
  > The total loss of engine power due to a loose fuel line at the fuel servo outlet port.
- [NTSB WPR22FA044](https://openairdocs.org/ntsb/WPR22FA044.md): Jahnke Lionel G Glasair III · Big Bear City, CA · Accident · 1 fatal · Class 3 · Field · Final report · Nov 21, 2021 · N291KT · Destroyed
  > The 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.
- [NTSB WPR21LA359](https://openairdocs.org/ntsb/WPR21LA359.md): Robinson Helicopter R44 II · Phoenix, AZ · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 30, 2021 · N74706 · Substantial damage
  > The student pilot's failure to maintain helicopter control while making a clearing turn which resulted in a hard landing.
- [NTSB WPR21LA357](https://openairdocs.org/ntsb/WPR21LA357.md): Fonville Swearingen SX300 · Buckeye, AZ · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 18, 2021 · N5SX · Substantial damage
  > The total loss of engine power due to the failure of the left magneto.
- [NTSB WPR21LA347](https://openairdocs.org/ntsb/WPR21LA347.md): Piper PA-32R-301 · Stanley, ID · Accident · No injuries · Class 4 · Limited · Final report · Sep 15, 2021 · N529PE · Substantial damage
  > The pilot’s failure to maintain airplane control during landing with a gusting crosswind which, resulted in a hard landing and collision with terrain.
- [NTSB ANC21LA080](https://openairdocs.org/ntsb/ANC21LA080.md): Robinson Helicopter R44 II · Pelican, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 31, 2021 · N779DZ · Substantial damage
  > The pilot’s loss of control while landing on a remote helipad.
- [NTSB ANC21LA079](https://openairdocs.org/ntsb/ANC21LA079.md): Robinson Helicopter R44 II · Pelican, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 30, 2021 · N878CB · Substantial damage
  > The pilot’s improper preflight planning to ensure adequate power to hover out-of-ground effect while conducting external load operations.
- [NTSB WPR21LA341](https://openairdocs.org/ntsb/WPR21LA341.md): Robinson R44 · Camp Verde, AZ · Accident · No injuries · Class 4 · Limited · Final report · Aug 28, 2021 · N544SH · Substantial damage
  > The pilot's inadequate preflight performance calculations which resulted in an aborted takeoff and collision with trees.
- [NTSB CEN21LA378](https://openairdocs.org/ntsb/CEN21LA378.md): Robinson Helicopter R44 II · Gonzales, LA · Accident · No injuries · Class 4 · Limited · Final report · Aug 21, 2021 · N222VB · Substantial damage
  > The pilot’s inadvertent collision with a tree while landing at night which resulted in a hard landing.
- [NTSB CEN21LA358](https://openairdocs.org/ntsb/CEN21LA358.md): Cessna 182 · Patterson, LA · Accident · No injuries · Class 3 · Limited · Final report · Jul 27, 2021 · N148LP · Substantial damage
  > The 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.
- [NTSB CEN21LA321](https://openairdocs.org/ntsb/CEN21LA321.md): Swann Lynn J Seawind 3000 · Charlevoix, MI · Accident · No injuries · Class 4 · Limited · Final report · Jul 3, 2021 · N8UU · Destroyed
  > The loss of engine power for undetermined reasons based on available evidence.
- [NTSB CEN21LA302](https://openairdocs.org/ntsb/CEN21LA302.md): Piper Aerostar 600A · Wichita, KS · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 2, 2021 · N10HK · Substantial damage
  > The pilot’s improper fuel planning and management, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB CEN21LA273](https://openairdocs.org/ntsb/CEN21LA273.md): Tony Dubeansky RV10 · Fort Worth, TX · Accident · No injuries · Class 3 · Limited · Final report · Jun 16, 2021 · N878TD · Substantial damage
  > A 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.
- [NTSB ERA21LA252](https://openairdocs.org/ntsb/ERA21LA252.md): Robinson Helicopter R44 II · Sylva, NC · Accident · No injuries · Class 4 · Limited · Final report · Jun 14, 2021 · N443SH · Substantial damage
  > The 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.
- [NTSB ERA21LA241](https://openairdocs.org/ntsb/ERA21LA241.md): Piper PA-24-260 · Robbinsville, NJ · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 6, 2021 · N79RG · Substantial damage
  > The pilot’s mismanagement of fuel, which resulted in a total loss of engine power.
- [NTSB WPR21LA204](https://openairdocs.org/ntsb/WPR21LA204.md): Mcclure B J Glasair III · Eugene, OR · Accident · Serious injuries · Class 3 · Limited · Final report · May 20, 2021 · N54CB · Destroyed
  > The 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.
- [NTSB ERA21LA186](https://openairdocs.org/ntsb/ERA21LA186.md): Piper PA-32R-301 · Troy, AL · Accident · No injuries · Class 4 · Limited · Final report · Apr 11, 2021 · N299HP · Substantial damage
  > An unanticipated encounter with a deer shortly after touchdown, resulting in a collision and substantial damage to the airframe.
- [NTSB WPR21LA362](https://openairdocs.org/ntsb/WPR21LA362.md): Maule MX-7-235 · Ontario, OR · Accident · No injuries · Class 3 · Limited · Final report · Mar 28, 2021 · N235X · Substantial damage
  > A loss of hydraulic fluid and failure of the right brake for reasons that could not be determined due to a lack of available evidence.
- [NTSB ERA21LA153](https://openairdocs.org/ntsb/ERA21LA153.md): Piper PA-32RT-300 · Brevard, NC · Accident · No injuries · Class 4 · Limited · Final report · Mar 7, 2021 · N94GF · Substantial damage
  > The 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.
- [NTSB ANC21LA017](https://openairdocs.org/ntsb/ANC21LA017.md): Maule M-6-235 · Tyonek, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Feb 13, 2021 · N56517 · Substantial damage
  > The pilot’s selection of unsuitable terrain for landing, which resulted in the airplane encountering deep snow and coming to rest inverted.
- [NTSB ERA21LA123](https://openairdocs.org/ntsb/ERA21LA123.md): Piper PA-32-301 · Homestead, FL · Accident · No injuries · Class 4 · Limited · Final report · Jan 22, 2021 · N8224H · Substantial damage
  > A total loss of power for reasons that could not be determined, as the airplane was not recovered from the water following the ditching.
- [NTSB CEN21LA112](https://openairdocs.org/ntsb/CEN21LA112.md): Piper PA-32R-301 · Sparta, MI · Accident · No injuries · Class 3 · Limited · Final report · Jan 12, 2021 · N35718 · Substantial damage
  > The 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.
- [NTSB CEN20LA401](https://openairdocs.org/ntsb/CEN20LA401.md): Piper PA32 · Kokomo, IN · Accident · 3 fatal · Class 3 · Limited · Final report · Sep 20, 2020 · N8213X · Destroyed
  > The pilot’s inadequate visual lookout, which resulted in a collision with a utility pole and the subsequent collision with terrain.
- [NTSB WPR20LA310](https://openairdocs.org/ntsb/WPR20LA310.md): Vans RV4 · Clovis, NM · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 19, 2020 · N250LB · Substantial damage
  > The pilot’s failure to maintain lateral control during initial climb due to distraction, which resulted in an in-flight upset and impact with terrain.
- [NTSB ERA20LA323](https://openairdocs.org/ntsb/ERA20LA323.md): Cessna 182 · Hollywood, FL · Accident · No injuries · Class 4 · Limited · Final report · Sep 18, 2020 · N234ME · Substantial damage
  > The pilot's failure to maintain directional control during a crosswind takeoff, which resulted in a collision with airport lights and a sign.
- [NTSB CEN20LA330](https://openairdocs.org/ntsb/CEN20LA330.md): Robinson R44 · Logan, IA · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 8, 2020 · N89LA · Substantial damage
  > The failure of the lower actuator bearing support brackets, which resulted in the misalignment of the clutch actuator, a loss of belt tension on the main rotor drive system, and a subsequent forced landing.
- [NTSB WPR20LA239](https://openairdocs.org/ntsb/WPR20LA239.md): Vans RV7 · Henefer, UT · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 26, 2020 · N514BS · Substantial damage
  > The total loss of engine power due to the separation of the idler gear shaft bolts as a result of improper installation, which allowed for the idler gear to become disengaged.
- [NTSB ERA20CA252](https://openairdocs.org/ntsb/ERA20CA252.md): Furlong CA-6 · Manville, NJ · Accident · Minor injuries · Class 4 · Data collection · Final report · Jul 14, 2020 · N12LF · Substantial damage
  > A loss of directional control on takeoff for undetermined reasons.
- [NTSB ANC20CA068](https://openairdocs.org/ntsb/ANC20CA068.md): Robinson R44 · Ketchikan, AK · Accident · No injuries · Class 4 · Data collection · Final report · Jul 10, 2020 · N878CB · Substantial damage
  > The crew leader's decision to throw a chainsaw bar into the moving arc of the main rotor blade.
- [NTSB WPR20CA197](https://openairdocs.org/ntsb/WPR20CA197.md): Robinson R44 · Pioche, NV · Accident · No injuries · Class 4 · Data collection · Final report · Jun 28, 2020 · N7530B · Substantial damage
  > The pilot’s decision to fly at low level over mountainous terrain and his inability to recover when the helicopter encountered a downdraft that resulted in a collision with terrain.
- [NTSB ANC20LA050](https://openairdocs.org/ntsb/ANC20LA050.md): Rockwell 500 · Aniak, AK · Accident · Serious injuries · Class 3 · Limited · Final report · May 29, 2020 · N909AK · Substantial damage
  > A loss of engine power due to the use of improper fuel. Contributing to the accident was the failure of the pilot and ground personnel to ensure that the airplane was serviced with the proper fuel.
- [NTSB WPR20LA135](https://openairdocs.org/ntsb/WPR20LA135.md): Piper PA-23-250 · Hemet, CA · Accident · 1 fatal · Class 3 · Limited · Final report · Apr 30, 2020 · N6521Y · Substantial damage
  > Maintenance personnel’s failure to properly inspect and replace damaged aileron control cables, which resulted in fatigue separation of the aileron control cable and loss of control of the aircraft.
- [NTSB CEN20CA100](https://openairdocs.org/ntsb/CEN20CA100.md): Commander 114 · Coldwater, MI · Accident · Minor injuries · Data collection · Final report · Feb 22, 2020 · N374JW · Substantial damage
  > The flight instructor’s inadequate communication with the pilot under review about his intention to simulate a single-engine failure and his subsequent exceedance of the airplane’s critical angle of attack when the pilot did not respond as expected, which…
- [NTSB ANC20CA023](https://openairdocs.org/ntsb/ANC20CA023.md): Robinson R44 · Talkeetna, AK · Accident · Minor injuries · Class 4 · Data collection · Final report · Feb 21, 2020 · N716JL · Substantial damage
  > The pilot's failure to maintain adequate clearance from snow covered terrain during an en route descent in flat light conditions, which resulted in controlled flight into terrain.
- [NTSB CEN20CA086](https://openairdocs.org/ntsb/CEN20CA086.md): Cessna 182 · Huron, SD · Accident · No injuries · Data collection · Final report · Feb 15, 2020 · N2019A · Substantial damage
  > The pilot's failure to maintain adequate airspeed during final approach, which resulted in the airplane exceeding its critical angle of attack and a subsequent aerodynamic stall at too low of an altitude to recover.
- [NTSB ERA20CA098](https://openairdocs.org/ntsb/ERA20CA098.md): Maule M7 · Manchester, NH · Accident · No injuries · Data collection · Final report · Feb 2, 2020 · N309MA · Substantial damage
  > The pilot's improper landing flare in crosswind conditions, which resulted in a bounced landing, and his subsequent failure to maintain directional control, which resulted in a ground-loop.
- [NTSB CEN20FA070](https://openairdocs.org/ntsb/CEN20FA070.md): Piper PA60 · Springfield, IL · Accident · 3 fatal · Class 3 · Field · Final report · Jan 28, 2020 · N6071R · Destroyed
  > The pilot’s failure to follow the instrument landing system (ILS) course guidance during the instrument approach.
- [NTSB WPR20FA013](https://openairdocs.org/ntsb/WPR20FA013.md): Robinson R44 · Las Vegas, NV · Accident · 2 fatal · Class 3 · Field · Final report · Oct 23, 2019 · N225JM · Substantial damage
  > An undetermined inflight event that resulted in the pilot performing an autorotation to uneven terrain for reasons that could not be determined due to the extent of impact damage.
- [NTSB ERA20FA014](https://openairdocs.org/ntsb/ERA20FA014.md): Piper PA32 · Raleigh, NC · Accident · 2 fatal · Class 3 · Field · Final report · Oct 20, 2019 · N534Z · Destroyed
  > The pilot’s failure to maintain a safe glidepath during final approach to the runway, which resulted in a collision with trees and terrain. Contributing was the pilot’s lack of recent instrument flight experience.
- [NTSB WPR20LA009](https://openairdocs.org/ntsb/WPR20LA009.md): Cessna 206 · Stockton, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 18, 2019 · N11379 · Substantial damage
  > A total loss of engine power after takeoff for reasons that could not be determined based on the available information.
- [NTSB CEN20LA021](https://openairdocs.org/ntsb/CEN20LA021.md): Piper PA23 · (Gulf of Mexico) · Accident · 1 fatal · Class 3 · Limited · Final report · Oct 17, 2019 · N778PA · Destroyed
  > The airplane’s descent into the ocean for reasons that could not be determined.
- [NTSB CEN20FA002](https://openairdocs.org/ntsb/CEN20FA002.md): Piper Aerostar 602P · Kokomo, IN · Accident · 1 fatal · Class 3 · Field · Final report · Oct 5, 2019 · N326CW · Destroyed
  > The pilot's exceedance of the airplane’s critical angle of attack following a dual engine power loss caused by the line service technician fueling the airplane with the wrong fuel, which resulted in an aerodynamic stall and subsequent loss of control.…
- [NTSB GAA19CA559](https://openairdocs.org/ntsb/GAA19CA559.md): Piper PA60 · Sedona, AZ · Accident · No injuries · Data collection · Final report · Sep 20, 2019 · N700NJ · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack during landing in gusting crosswind conditions, which resulted in an aerodynamic stall.
- [NTSB GAA19CA554](https://openairdocs.org/ntsb/GAA19CA554.md): Piper PA32R · Owasso, OK · Accident · No injuries · Data collection · Final report · Sep 16, 2019 · N6887J · Substantial damage
  > The pilot's improper altitude and airspeed control during landing, which resulted in the airplane landing long and a subsequent runway overrun and impact with a drainage culvert.
- [NTSB GAA19CA520](https://openairdocs.org/ntsb/GAA19CA520.md): Piper PA32RT · Mackinac Island, MI · Accident · No injuries · Data collection · Final report · Sep 2, 2019 · N31934 · Substantial damage
  > The pilot's failure to maintain directional control during landing with a crosswind, which resulted in a runway excursion and impact with a runway light.
- [NTSB WPR19FA188](https://openairdocs.org/ntsb/WPR19FA188.md): Robinson R44 · Hayward, CA · Accident · 1 fatal · Class 3 · Field · Final report · Jul 15, 2019 · N144TG · Substantial damage
  > The pilots’ loss of control during a low altitude maneuver for undetermined reasons, which resulted in impact with terrain.
- [NTSB WPR19FA178](https://openairdocs.org/ntsb/WPR19FA178.md): Maule M7-235B · Sunriver, OR · Accident · 1 fatal · Class 2 · Field · Final report · Jun 22, 2019 · N118G · Substantial damage
  > A partial loss of engine power due to the separation of baffling in both mufflers. Contributing to the accident was the pilot's failure to retract the landing gear on the float-equipped airplane before performing a forced landing to the river.
- [NTSB GAA19CA310](https://openairdocs.org/ntsb/GAA19CA310.md): Piper PA23 · Atlanta, GA · Accident · No injuries · Data collection · Final report · May 18, 2019 · N6562A · Substantial damage
  > The airplane’s impact with a deer on the runway during landing.
- [NTSB WPR19FA148](https://openairdocs.org/ntsb/WPR19FA148.md): Robinson R44 · Alpine, UT · Accident · 2 fatal · Class 3 · Field · Final report · May 17, 2019 · N744TW · Substantial damage
  > The noninstrument-rated pilot’s continued visual flight rules flight into instrument meteorological conditions, which resulted in spatial disorientation and subsequent loss of control. Contributing to the accident was hypoxia due to the high altitude at which…
- [NTSB GAA19CA195](https://openairdocs.org/ntsb/GAA19CA195.md): Robinson R44 · Taunton, MA · Accident · No injuries · Data collection · Final report · Apr 2, 2019 · N344R · Substantial damage
  > The pilot's improper decision to land with a gusting left quartering tailwind and his subsequent attempt to reposition the helicopter and take off, which resulted in a dynamic rollover.

Next page: https://openairdocs.org/ntsb.md?engine=41530&page=4

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 ('41530', '41585'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41530&page=3

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