# NTSB investigations, PA: Midair collision

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 ERA26FA309](https://openairdocs.org/ntsb/ERA26FA309.md): Cessna 150 · Carlisle, PA · Accident · 1 fatal · Class 3 · Field · Preliminary report · Aug 19, 2026 · N23330 · 2 aircraft · Destroyed
  > On August 19, 2026, at 1852 eastern daylight time, a Bell Helicopter Textron Canada 407, N873ST, and a Cessna 150H airplane, N23330, collided in flight near Carlisle, Pennsylvania. The two commercial pilots onboard the helicopter were seriously injured, and…
- [NTSB ERA25LA129](https://openairdocs.org/ntsb/ERA25LA129.md): Eurocopter Deutschland EC135T2 · Philadelphia, PA · Accident · No injuries · Class 4 · Limited · Final report · Feb 17, 2025 · N405TJ · 2 aircraft · Substantial damage
  > The sUAS operator’s failure to see and avoid a helicopter, resulting in a midair collision between the helicopter and the sUAS.
- [NTSB ERA13LA022](https://openairdocs.org/ntsb/ERA13LA022.md): Hughes/Helicopter Assocs 369A · West Chester, PA · Accident · No injuries · Limited investigation · Final report · Oct 13, 2012 · N546 · 2 aircraft · Substantial damage
  > The pilot’s failure to see and avoid the preceding helicopter while maneuvering for landing. Contributing to the accident were the flight lead pilot’s inadequate preflight briefing and in-flight instruction to the formation pilots, which resulted in the loss…

## 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" = 'PA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '250' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/250/sequence?state=PA

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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.