# NTSB GAA25WA221: Grumman AA5, Ottawa, Ontario, Canada, July 31, 2025

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Class 5 · Foreign
- Date: July 31, 2025, 21:55 local (21:55 UTC)
- Place: Ottawa, Ontario, Canada
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute: Loss of engine power (total)](https://openairdocs.org/ntsb-events/341)
- Highest injury: Fatal
- Injuries: 1 fatal, 2 uninjured
- Status: Led by another country's authority
- Investigation class: Class 5 - No publish
- NTSB office: General Aviation Accidents
- NTSB case key (mKey): 200681
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=GAA25WA221
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/200681/pdf
- Page: https://openairdocs.org/ntsb/GAA25WA221

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Enroute: Loss of engine power (total)](https://openairdocs.org/ntsb-events/341) (defining event); cases with it: [All aircraft, 3,820 cases](https://openairdocs.org/ntsb-events/341/sequence.md)

## Aircraft

- Registration: C-GUXN (not matched to a registry record)
- Reported make and model: GRUMMAN AA5 (A)
- Category: Airplane
- Damage: Substantial damage
- Flight: Non-U.S., non-commercial
- Airport: CYOW

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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