# NTSB investigations: Lycoming 0-540 series, 2026

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 CEN27LA019](https://openairdocs.org/ntsb/CEN27LA019.md): Piper PA-28-235 · Cedar Rapids, IA · Accident · Minor injuries · Class 3 · Limited · Investigation open · Oct 18, 2026 · N8759W
- [NTSB WPR27LA003](https://openairdocs.org/ntsb/WPR27LA003.md): Maule M-5-235C · Agua Dulce, CA · Accident · No injuries · Class 4 · Limited · Investigation open · Oct 3, 2026 · N56328 · Substantial damage
- [NTSB ANC26LA096](https://openairdocs.org/ntsb/ANC26LA096.md): Cessna R182 · Lebanon, TN · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Sep 1, 2026 · N6346T · Substantial damage
  > On September 1, 2026, about 1815 eastern daylight time, a Cessna R182 airplane was substantially damaged when it was involved in an accident near Lebanon, Tennessee. The pilot sustained minor injuries. The airplane was operated as a Title 14 Code of Federal…
- [NTSB ERA26LA321](https://openairdocs.org/ntsb/ERA26LA321.md): Cessna R182 · Clarksville, TN · Accident · No injuries · Class 4 · Limited · Investigation open · Aug 30, 2026 · N756EB · Substantial damage
- [NTSB ERA26LA312](https://openairdocs.org/ntsb/ERA26LA312.md): Piper PA24 · Fort Washington, MD · Accident · No injuries · Class 4 · Limited · Investigation open · Aug 21, 2026 · N6969P · Substantial damage
- [NTSB ERA26LA358](https://openairdocs.org/ntsb/ERA26LA358.md): Piper PA24 · Union City, OH · Accident · No injuries · Class 3 · Limited · Preliminary report · Aug 10, 2026 · N6985P · Substantial damage
  > On August 10, 2026, about 1800eastern daylight time, a Piper PA-24-250, N6985P, was substantially damaged when it was involved in an accident near Union City, Ohio. The flight instructor and the private pilot were not injured. The airplane was operated as a…
- [NTSB ANC26LA080](https://openairdocs.org/ntsb/ANC26LA080.md): Piper PA-32-260 · Pinetown, NC · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Aug 6, 2026 · N8791E · Substantial damage
  > On August 6, 2026, about 1355 eastern daylight time, a Piper Aircraft PA-32-260 airplane, N8791E, was substantially damaged when it was involved in an accident near Pinetown, North Carolina. The private pilot and two passengers sustained minor injuries. The…
- [NTSB ERA26LA259](https://openairdocs.org/ntsb/ERA26LA259.md): Maule M-5-235C · Hickman, KY · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 6, 2026 · N9103E · Substantial damage
  > The pilot’s failure to maintain a proper glide path, which resulted in a runway undershoot.
- [NTSB CEN26LA242](https://openairdocs.org/ntsb/CEN26LA242.md): Piper PA-25-235 · Forest Lake, MN · Accident · No injuries · Class 3 · Limited · Preliminary report · Jul 4, 2026 · N386AB · Substantial damage
  > On July 4, 2026, about 0942 central daylight time, a Piper PA-25-235 airplane, N386AB, was substantially damaged when it was involved in an accident near Forest Lake, Minnesota. The pilot was not injured. The airplane was operated as a Title 14 Code of…
- [NTSB ERA26FA252](https://openairdocs.org/ntsb/ERA26FA252.md): Piper PA24 · Hazen, ND · Accident · 1 fatal · Class 3 · Field · Preliminary report · Jun 28, 2026 · N6852P · Destroyed
  > On June 28, 2026, about 1317 central daylight time, a Piper PA-24-250, N6852P, was destroyed when it was involved in an accident near Hazen, North Dakota. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations Part…
- [NTSB WPR26FA224](https://openairdocs.org/ntsb/WPR26FA224.md): Piper PA-24-250 · Middlefield, OH · Accident · 3 fatal · Class 3 · Field · Preliminary report · Jun 20, 2026 · N6403P · Substantial damage
  > On June 20, 2026, about 1535 eastern daylight time, a Piper PA-24-250, N6403P, was substantially damaged when it was involved in an accident near Middlefield, Ohio. The pilot and two passengers sustained fatal injuries. The airplane was operated as a Title 14…
- [NTSB ANC26LA053](https://openairdocs.org/ntsb/ANC26LA053.md): Piper PA-28-235 · Key West, FL · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Jun 14, 2026 · N15564 · Substantial damage
  > On June 14, 2026, at 1035 eastern standard time, a Piper PA-28-235 airplane, N15564, was substantially damaged when it was involved in an accident near Key West, Florida. The pilot was not injured and the passenger sustained minor injuries. The airplane was…
- [NTSB ERA26LA234](https://openairdocs.org/ntsb/ERA26LA234.md): Robinson Helicopter R44 · Mayesville, SC · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 8, 2026 · N144CD · Substantial damage
  > The pilot’s failure to remain clear of a power line during an aerial application flight.
- [NTSB CEN26LA211](https://openairdocs.org/ntsb/CEN26LA211.md): Piper PA-28-235 · Montevideo, MN · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 1, 2026 · N15291 · Substantial damage
  > A total loss of engine power on approach due to carburetor icing.
- [NTSB ERA26LA228](https://openairdocs.org/ntsb/ERA26LA228.md): Cessna R182 · Fitchburg, MA · Accident · No injuries · Class 4 · Limited · Final report · May 26, 2026 · N6287T · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard landing.
- [NTSB ERA26FA214](https://openairdocs.org/ntsb/ERA26FA214.md): Piper PA-25-235 · Saratoga Springs, NY · Accident · 1 fatal · Class 3 · Field · Preliminary report · May 26, 2026 · N8656L · 2 aircraft · Substantial damage
  > On May 26, 2026, about 1347 eastern daylight time, a Piper PA-25-235 airplane, N8656L, was substantially damaged when it was involved in an accident near Saratoga Springs, New York. The pilot was fatally injured. The airplane was operated as a Title 14 Code…
- [NTSB ERA26LA235](https://openairdocs.org/ntsb/ERA26LA235.md): Piper PA-24-250 · Bartow, FL · Accident · No injuries · Class 4 · Limited · Final report · May 23, 2026 · N5376P · Substantial damage
  > The pilot’s failure to extend the landing gear before landing.
- [NTSB WPR26FA151](https://openairdocs.org/ntsb/WPR26FA151.md): Piper PA-32R-301T · Marana, AZ · Accident · 2 fatal · Class 3 · Field · Preliminary report · Apr 9, 2026 · N4190E · Substantial damage
  > On April 08, 2026 at 1710 mountain standard time, a Piper PA-32R-301T, N4190E, sustained substantial damage when it was involved in an accident near Marana, AZ. The pilot and passenger sustained fatal injuries. The airplane was operated as a Title 14 Code of…
- [NTSB WPR26LA157](https://openairdocs.org/ntsb/WPR26LA157.md): Cessna T182 · Marion, MT · Accident · No injuries · Class 3 · Limited · Preliminary report · Apr 8, 2026 · N5475N · Substantial damage
  > On April 8, 2026, about 1315 mountain standard time, a Cessna T182, N5475N, was substantially damaged when it was involved in an accident near Marion, Montana. Both pilots were uninjured. The airplane was operated as a Title 14 Code of Federal Regulations…
- [NTSB ANC26FA021](https://openairdocs.org/ntsb/ANC26FA021.md): Robinson Helicopter R44 · Boynton Beach, FL · Accident · 2 fatal · Class 3 · Field · Preliminary report · Mar 23, 2026 · N478AT · Destroyed
  > On March 23, 2026, about 1221 eastern daylight time, a Robinson R44 Raven I helicopter, N478AT, was destroyed when it was involved in an accident near Boynton Beach, Florida. The flight instructor and the pilot receiving instruction were fatally injured. The…
- [NTSB CEN26LA146](https://openairdocs.org/ntsb/CEN26LA146.md): Piper PA-24-250 · Madison, IN · Accident · No injuries · Class 4 · Limited · Final report · Mar 21, 2026 · N7548P · Substantial damage
  > The pilot’s failure to maintain proper airspeed during takeoff and exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall and impact with terrain.
- [NTSB CEN26LA089](https://openairdocs.org/ntsb/CEN26LA089.md): Piper PA24 · Bay City, MI · Accident · No injuries · Class 4 · Limited · Final report · Jan 8, 2026 · N7085P · Substantial damage
  > The pilot's failure to ensure the landing gear was down and locked before landing.
- [NTSB WPR26LA075](https://openairdocs.org/ntsb/WPR26LA075.md): Maule M-5-235C · Jay Em, WY · Accident · No injuries · Class 4 · Limited · Final report · Jan 1, 2026 · N56500 · Substantial damage
  > The loss of directional control and subsequent nose over due to the inadvertent engagement of the right wheel parking brake as a result of cabin floor carpeting migrating between the right brake master cylinder and parking brake locking lever.

## 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 year(c."eventDate") = 2026
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41532'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41532&year=2026

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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.
