# NTSB investigations, NH: Loss of engine power (total)

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 ERA26LA231](https://openairdocs.org/ntsb/ERA26LA231.md): Olson/Williams Sonex · Jaffrey, NH · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Jun 5, 2026 · N28YD · Substantial damage
  > On June 5, 2026, at 1100 eastern daylight time, an experimental amateur-built Sonex airplane, N28YD, was substantially damaged when it was involved in an accident near Jaffrey, New Hampshire. The private pilot was seriously injured. The flight was conducted…
- [NTSB ERA25LA265](https://openairdocs.org/ntsb/ERA25LA265.md): Moyes Liteflite PTY C Dragonfly · Charlestown, NH · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Jul 13, 2025 · N4010E · Substantial damage
  > On July 13, 2025, about 1915 eastern daylight time, a Moyes Liteflite Model C Dragonfly airplane, N4010E, was substantially damaged when it was involved in an accident near Charleston, New Hampshire. The pilot was seriously injured. The airplane was operated…
- [NTSB ERA23LA360](https://openairdocs.org/ntsb/ERA23LA360.md): Brown Benjamin C Challenger II · Moultonborough, NH · Accident · No injuries · Class 3 · Limited · Final report · Sep 1, 2023 · N2480Y · Substantial damage
  > A loss of engine power due to a loss of compression in one of the engine’s two cylinders.
- [NTSB ERA21LA008](https://openairdocs.org/ntsb/ERA21LA008.md): Experimental Quad City Challenger II · Northfield, NH · Accident · No injuries · Class 3 · Limited · Final report · Oct 3, 2020 · N129AY · Substantial damage
  > A total loss of engine power due to oil starvation of the No. 1 cylinder. Contributing to the accident was the pinched No. 1 cylinder oil injection line.
- [NTSB ERA15FA241](https://openairdocs.org/ntsb/ERA15FA241.md): Piper PA-22 · Laconia, NH · Accident · Serious injuries · Field investigation · Final report · Jun 18, 2015 · N2569P · Substantial damage
  > A total loss of engine power for reasons that could not be determined because of insufficient evidence found during postaccident examination of the airframe and engine.
- [NTSB ERA13LA327](https://openairdocs.org/ntsb/ERA13LA327.md): Univair 108-1 · Tuftonboro, NH · Accident · Minor injuries · Limited investigation · Final report · Jul 17, 2013 · N8721K · Substantial damage
  > Maintenance personnel’s failure to remove circumferential gouges in the aft radius of the R2 rod journal on the crankshaft during its last engine overhaul, which resulted in the fatigue failure of the crankshaft and a subsequent total loss of engine power.
- [NTSB ERA09LA511](https://openairdocs.org/ntsb/ERA09LA511.md): Air Creation 582SL · Strafford, NH · Accident · Minor injuries · Limited investigation · Final report · Sep 5, 2009 · N699AC · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB ERA09FA343](https://openairdocs.org/ntsb/ERA09FA343.md): Cessna 177 RG · Gilford, NH · Accident · 1 fatal · Field investigation · Final report · Jun 13, 2009 · N52670 · Substantial damage
  > A loss of engine power due to oil exhaustion from the fracture of the nipple for the engine oil cooler return line. Contributing to the accident was the mechanic's signoff and release of the airplane without performing the required engine run-up following an…
- [NTSB ERA09CA014](https://openairdocs.org/ntsb/ERA09CA014.md): Piper J3C-50 · Epping, NH · Accident · Serious injuries · Data collection · Final report · Oct 12, 2008 · N23267 · Substantial damage
  > The pilot's improper preflight inspection and his decision to fly an unairworthy airplane.

## 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" = 'NH' 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" = '341' 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/341/sequence?state=NH

---
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.