# NTSB investigations: Lycoming IO-540 series, MN

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.

## Latest cases

- [NTSB CEN24LA376](https://openairdocs.org/ntsb/CEN24LA376.md): Piper PA-32-300 · Pierz, MN · Accident · No injuries · Class 4 · Limited · Final report · Sep 30, 2024 · N2032M · Substantial damage
  > The pilot’s inadequate fuel management which resulted in the loss of engine power due to fuel starvation.
- [NTSB CEN22LA318](https://openairdocs.org/ntsb/CEN22LA318.md): Hiller UH12E · Becker, MN · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 6, 2022 · N64272 · Substantial damage
  > The in-flight failure of the main rotor mast hub due to several undetected fatigue fractures.
- [NTSB GAA16CA019](https://openairdocs.org/ntsb/GAA16CA019.md): Maule M 7-235C · Mankato, MN · Accident · No injuries · Data collection · Final report · Oct 11, 2015 · N3180G · Substantial damage
  > The pilot's failure to maintain directional control during the go-around, which resulted in a collision with terrain.
- [NTSB CEN13LA201](https://openairdocs.org/ntsb/CEN13LA201.md): Piper PA23-250 · Winsted, MN · Accident · No injuries · Limited investigation · Final report · Mar 16, 2013 · N6222M · Substantial damage
  > The obstruction of the right engine’s induction air system by ice, which resulted in a loss of engine power.
- [NTSB CEN12FA091](https://openairdocs.org/ntsb/CEN12FA091.md): Robinson Helicopter R44 II · Hackensack, MN · Accident · 1 fatal · Field investigation · Final report · Nov 25, 2011 · N821JV · Substantial damage
  > The helicopter's sudden yaw and subsequent impact with the water for reasons that could not be determined during postaccident examination of the helicopter and its systems.
- [NTSB CEN10LA556](https://openairdocs.org/ntsb/CEN10LA556.md): Robinson Helicopter R44 II · Duluth, MN · Accident · Minor injuries · Limited investigation · Final report · Sep 17, 2010 · N145DM · Destroyed
  > The pilot's failure to identify and arrest the helicopter's descent due to spatial disorientation.
- [NTSB CHI08LA180](https://openairdocs.org/ntsb/CHI08LA180.md): Smith Aerostar 601P · Alexandria, MN · Accident · Minor injuries · Limited investigation · Final report · Jul 2, 2008 · N601TS · Substantial damage
  > The loss of engine power for undetermined reasons. Contributing to the accident was the unsuitable terrain for the forced landing.
- [NTSB CHI06CA197](https://openairdocs.org/ntsb/CHI06CA197.md): Cessna 206H · Lutsen, MN · Accident · No injuries · Data collection · Final report · Jul 22, 2006 · N52728 · Substantial damage
  > The unsuitable terrain the pilot encountered during takeoff in rough water. A factor was the wave in the rough water.
- [NTSB CHI96LA317](https://openairdocs.org/ntsb/CHI96LA317.md): Piper PA-32R-301 · Stewartville, MN · Accident · Serious injuries · Limited investigation · Final report · Aug 26, 1996 · N801SP · Substantial damage
  > the pilot's improper in-flight planning/decision, which resulted in a failure to reach the proper touchdown point for the landing. The fractured nose gear shimmy damper attaching collar and the jammed nose gear were related factors.
- [NTSB CHI95LA107](https://openairdocs.org/ntsb/CHI95LA107.md): Piper PA-32-300 · Lakeville, MN · Accident · No injuries · Limited investigation · Final report · Mar 16, 1995 · N2928A · Substantial damage
  > The pilot misjudged distance and altitude during landing.
- [NTSB CHI93LA185](https://openairdocs.org/ntsb/CHI93LA185.md): Piper PA-36-400 · Elbow Lake, MN · Accident · Minor injuries · Limited investigation · Final report · May 31, 1993 · N2342Y · Substantial damage
  > the pilot's failure to maintain an adequate visual outlook during aerial application manuevers.
- [NTSB CHI91DER09](https://openairdocs.org/ntsb/CHI91DER09.md): Eagle Eagle DW-1 · Windom, MN · Accident · No injuries · Final report · Jun 28, 1991 · N88142 · Substantial damage
  > The pilot's improper aircraft handling. Related factors are the pilot's inattention and the airplane's deteriorated performance capability.
- [NTSB CHI91DER04](https://openairdocs.org/ntsb/CHI91DER04.md): Bellanca Eagle DW-1 · Hector, MN · Accident · No injuries · Final report · Jun 6, 1991 · N8800W · Substantial damage
  > The loss of engine power due to the total failure of a connecting rod. Related factors are the low maneuvering altitude and the unsuitable (muddy) terrain encountered during the forced landing.
- [NTSB CHI85LA336](https://openairdocs.org/ntsb/CHI85LA336.md): Piper PA-36-300 · Red Lake Falls, MN · Accident · Minor injuries · Limited investigation · Final report · Aug 6, 1985 · N2350Y · Substantial damage
  > The acft contacted wires during an aerial application flt. The plt stated he was maintaining extra alt to avoid tall weeds and the clearance below the wires was misjudged. The wires severed the vertical fin and rudder.
- [NTSB CHI84LA254](https://openairdocs.org/ntsb/CHI84LA254.md): Eagle DW-1 · Oklee, MN · Accident · No injuries · Limited investigation · Final report · Jun 22, 1984 · N8810Y · Substantial damage
  > The plt reported that he had completed spraying 60 acres of land & was beginning a pass in another field. Half way through the spray pass the eng quit. He pulled up to clear a tree & the acft stalled into a field of sunflowers. No mechanical failure or…
- [NTSB CHI84LA231](https://openairdocs.org/ntsb/CHI84LA231.md): Eagle DW-1 · Oklee, MN · Accident · No injuries · Limited investigation · Final report · Jun 12, 1984 · N8801P · Substantial damage
  > The acft ran off a road into a ditch which destroyed the main landing gear during the forced landing. The plt said oil covered the windshield after takeoff and he could not see well enough to find the airstrip so he landed on the road while looking out the…
- [NTSB CHI83LA280](https://openairdocs.org/ntsb/CHI83LA280.md): Piper PA-32R · Minneapolis, MN · Accident · No injuries · Limited investigation · Final report · Jun 24, 1983 · N8310L · Substantial damage
  > The acft ran off the end of the rwy and collapsed the nose gear during an aborted takeoff. The acft exceeded the maximum gross weight for takeoff by 190 lbs. Decision to abort was made about 2/3 of the way down the rwy. Braking was good and deceleration…
- [NTSB CHI81FER26](https://openairdocs.org/ntsb/CHI81FER26.md): Piper PA-32 · Faribault, MN · Accident · No injuries · Closed · Mar 10, 1981 · N8157R · Substantial damage
- [NTSB MKC80FER26](https://openairdocs.org/ntsb/MKC80FER26.md): Piper PA-32 · Sauk Centre, MN · Accident · No injuries · Closed · Mar 7, 1980 · N333JD · Substantial damage

## 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."eventStateOrRegion" = 'MN' 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 ('41530', '41585'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
