# NTSB DCA25WA348: Airbus A320, Karachi, Pakistan, May 22, 2025

- Type: NTSB incident investigation
- Classification: Incident · Class 5 · Foreign
- Date: May 22, 2025
- Place: Karachi, Pakistan · No event location provided
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute-cruise: Nav system malfunction/failure](https://openairdocs.org/ntsb-events/335)
- Status: Led by another country's authority
- Investigation class: Class 5 - No publish
- NTSB office: Major Investigations Division
- Lead agency: Other
- Parties: FAA AVP-110, BEA France, Bureau of Aircraft Safety Investigation Pakistan (BASIP)
- NTSB case key (mKey): 201858
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA25WA348
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/201858/pdf
- Page: https://openairdocs.org/ntsb/DCA25WA348

## Sequence of events

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

- [Enroute-cruise: Nav system malfunction/failure](https://openairdocs.org/ntsb-events/335) (defining event); cases with it: [All aircraft, 8 cases](https://openairdocs.org/ntsb-events/335/sequence.md)

## Aircraft

- Registration: AP-BLB (not matched to a registry record)
- Reported make and model: AIRBUS A320 (214)
- Category: Airplane
- Serial number: 2155
- Year built: 2004
- Engines: CFM International CFM56-5B4/P turbo fan; CFM International CFM56-5B4/P turbo fan
- Damage: No damage
- Flight: Non-U.S., commercial
- Operator: Pakistan International Airlines
- Airworthiness certificate: Standard, Transport
- Departed: LHE, Lahore
- Destination: KHI, Karachi

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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