# NTSB DCA24WA273: Boeing 737, Olandji, Chad, August 12, 2024

- Type: NTSB incident investigation
- Classification: Incident · Class 5 · Foreign
- Date: August 12, 2024, 15:21 local (13:21 UTC)
- Place: Olandji, Chad
- Coordinates: -3.061913, 23.074943
- Nearby events: https://openairdocs.org/map.md?lat=-3.0619&lon=23.0749&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute-climb to cruise: Near midair/TCAS alert/loss of separation](https://openairdocs.org/ntsb-events/260)
- Status: Led by another country's authority
- Investigation class: Class 5 - No publish
- NTSB office: Major Investigations Division
- Lead agency: Other
- NTSB case key (mKey): 194928
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA24WA273
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/194928/pdf
- Page: https://openairdocs.org/ntsb/DCA24WA273

## Sequence of events

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

- [Enroute-climb to cruise: Near midair/TCAS alert/loss of separation](https://openairdocs.org/ntsb-events/260) (defining event), aircraft 1; cases with it: [All aircraft, 96 cases](https://openairdocs.org/ntsb-events/260/sequence.md)

## Aircraft 1

- Registration: 9XR-WY (not matched to a registry record)
- Reported make and model: BOEING 737 (800)
- Category: Airplane
- Damage: No damage
- Flight: Non-U.S., commercial
- Airworthiness certificate: Standard, Transport
- Departed: Brazzaville
- Destination: Kigali

## Aircraft 2

- Registration: 9S-AAK (not matched to a registry record)
- Reported make and model: BOEING 737
- Category: Airplane
- Damage: No damage
- Flight: Non-U.S., commercial
- Airworthiness certificate: Standard, Transport
- Departed: Brazzaville
- Destination: Kigali

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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