# NTSB GAA26WA004: Cessna 172, Santa Ana del Yacuma, Bolivia, October 4, 2025

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Class 5 · Foreign
- Date: October 4, 2025, 14:40 local (14:40 UTC)
- Place: Santa Ana del Yacuma, Bolivia
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute: Midair collision](https://openairdocs.org/ntsb-events/250)
- Highest injury: Fatal
- Injuries: 2 fatal, 2 uninjured
- Status: Led by another country's authority
- Investigation class: Class 5 - No publish
- NTSB office: General Aviation Accidents
- Lead agency: Other
- NTSB case key (mKey): 201806
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=GAA26WA004
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/201806/pdf
- Page: https://openairdocs.org/ntsb/GAA26WA004

## Sequence of events

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

- [Enroute: Midair collision](https://openairdocs.org/ntsb-events/250) (defining event), aircraft 1; cases with it: [All aircraft, 196 cases](https://openairdocs.org/ntsb-events/250/sequence.md)

## Aircraft 1

- Registration: CP-3062 (not matched to a registry record)
- Reported make and model: CESSNA 172 (Q)
- Category: Airplane
- Serial number: 172076032
- Fire: Unknown
- Flight: Non-U.S., non-commercial

## Aircraft 2

- Registration: CP-2645 (not matched to a registry record)
- Reported make and model: CESSNA R172 (K)
- Category: Airplane
- Serial number: R172008
- Fire: Unknown
- Flight: Non-U.S., non-commercial

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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