# Ongoing NTSB investigations: Lycoming IO-540-AE1A5

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 ANC26LA103](https://openairdocs.org/ntsb/ANC26LA103.md): Robinson Helicopter R44 II · Colquitt, GA · Accident · No injuries · Class 3 · Limited · Preliminary report · Sep 11, 2026 · N4026E · Substantial damage
  > On September 11, 2026 about 0830 eastern daylight time, a Robinson R44 helicopter, N4026E, was substantially damaged when it was involved in an accident near Colquitt, Georgia. The pilot was not injured. The helicopter was operated as a Title 14 Code of…
- [NTSB ANC26LA084](https://openairdocs.org/ntsb/ANC26LA084.md): Robinson Helicopter R44 II · Anthony, FL · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Aug 13, 2026 · N861MP · Substantial damage
  > On August 12, 2026, at approximately 2305 eastern daylight time, a Robinson R44 Raven II helicopter, N861MP, was substantially damaged when it was involved in an accident near Anthony, Florida. The pilot and passenger sustained minor injuries. The helicopter…
- [NTSB CEN26LA276](https://openairdocs.org/ntsb/CEN26LA276.md): Robinson Helicopter R44 II · Bennett, IA · Accident · No injuries · Class 3 · Limited · Preliminary report · Aug 2, 2026 · N26KL · Substantial damage
  > On August 2, 2026, about 1318 central daylight time, a Robinson Helicopter Company R44 II helicopter, N26KL, was substantially damaged when it was involved in an accident near Bennett, Iowa. The pilot was not injured. The helicopter was operated as a Title 14…
- [NTSB CEN25LA326](https://openairdocs.org/ntsb/CEN25LA326.md): Robinson Helicopter R44 II · Cape Girardeau, MO · Accident · No injuries · Class 3 · Limited · Preliminary report · Aug 16, 2025 · N24DF · Substantial damage
  > On August 16, 2025, at 1150 central daylight time, a Robinson R44 II helicopter, N24DF was substantially damaged when it was involved in an accident near Cape Girardeau, Missouri. The pilot and three passengers were not injured. The helicopter was operated as…
- [NTSB CEN25FA183](https://openairdocs.org/ntsb/CEN25FA183.md): Robinson Helicopter R44 II · Miami, TX · Accident · 1 fatal · Class 3 · Field · Preliminary report · May 23, 2025 · N1195P · Destroyed
  > On May 23, 2025, about 0718 central daylight time, a Robinson Helicopter Company R44 II helicopter, N1195P, was destroyed when it was involved in an accident near Miami, Texas. The student pilot was fatally injured. The helicopter was operated as a Title 14…
- [NTSB CEN25LA116](https://openairdocs.org/ntsb/CEN25LA116.md): Robinson Helicopter R44 II · Chicago, IL · Accident · No injuries · Class 3 · Limited · Preliminary report · Mar 10, 2025 · N128AF · Substantial damage
  > On March 10, 2025, about 18:30 central daylight time, a Robinson Helicopter R44 II, N128AF was substantially damaged when it was involved in an accident near Chicago, Illinois. The pilot and both passengers were not injured. The helicopter was operated under…
- [NTSB CEN25FA104](https://openairdocs.org/ntsb/CEN25FA104.md): Robinson Helicopter R44 · Uvalde, TX · Accident · 2 fatal · Class 3 · Field · Preliminary report · Feb 27, 2025 · N144SG · Substantial damage
  > On February 27, 2025, about 1319 central standard time, a Robinson Helicopter Company (RHC) R44 helicopter, N144SG, sustained substantial damage when it was involved in an accident near Uvalde, Texas. The commercial pilot and the passenger sustained fatal…
- [NTSB CEN25FA034](https://openairdocs.org/ntsb/CEN25FA034.md): Robinson Helicopter R44 II · Iowa, LA · Accident · 3 fatal · Class 3 · Field · Preliminary report · Nov 2, 2024 · N62CD · Destroyed
  > On 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…

## 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."completionStatus" = 'Ongoing'
  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
```

This list as a web page: https://openairdocs.org/ntsb?engine=41899&status=ongoing

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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.