# NTSB ENG23WA021: Sikorsky S-92, Derry, United Kingdom, February 5, 2023

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Class 4 · Foreign
- Date: February 5, 2023, 14:53 local (14:53 UTC)
- Place: Derry, United Kingdom
- Coordinates: 54.99609, -7.30883 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=54.9961&lon=-7.3088&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute: Sys/Comp malf/fail (non-power)](https://openairdocs.org/ntsb-events/330)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Led by another country's authority
- Investigation class: Class 4 - Basic report with no Prelim publish
- NTSB office: Aviation Engineering Division
- Lead agency: Other
- Parties: Sikorsky, FAA AVP-100
- NTSB case key (mKey): 106780
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ENG23WA021
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/106780/pdf
- Page: https://openairdocs.org/ntsb/ENG23WA021

## Sequence of events

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

- [Enroute: Sys/Comp malf/fail (non-power)](https://openairdocs.org/ntsb-events/330) (defining event)

## Aircraft

- Registration: EI-ICU (not matched to a registry record)
- Reported make and model: SIKORSKY S-92 (A)
- Category: Helicopter
- Damage: Substantial damage
- Flight: Instructional, Non-U.S., non-commercial
- Operator: Irish Coast Guard
- Airworthiness certificate: Standard, Transport
- Airport: EGAE, Derry Airport

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

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