# NTSB CEN18WA067: Construcciones Aeronauticas C.A.S.A. 1.131, N1950M, Alicante, Spain, December 30, 2017

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Foreign investigation
- Date: December 30, 2017, 16:42 local (16:42 UTC)
- Place: Alicante, Spain
- Coordinates: 38.438331, -0.469444 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=38.4383&lon=-0.4694&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Defining events: [Approach-VFR pattern final: Midair collision](https://openairdocs.org/ntsb-events/250); [Approach-VFR pattern final: Midair collision](https://openairdocs.org/ntsb-events/250)
- Highest injury: Fatal
- Injuries: 1 fatal, 10 uninjured
- Status: Led by another country's authority
- NTSB office: Central Region
- Lead agency: Other
- NTSB case key (mKey): 96571
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CEN18WA067
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/96571/pdf
- Page: https://openairdocs.org/ntsb/CEN18WA067

## Sequence of events

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

- [Approach-VFR pattern final: Midair collision](https://openairdocs.org/ntsb-events/250) (defining event), aircraft 1; cases with it: [Construcciones Aeronauticas C.A.S.A. 1.131, 1 case](https://openairdocs.org/ntsb-events/250/sequence.md?model=2410100), [All aircraft, 196 cases](https://openairdocs.org/ntsb-events/250/sequence.md)
- [Approach-VFR pattern final: Midair collision](https://openairdocs.org/ntsb-events/250) (defining event), aircraft 2; cases with it: [All aircraft, 196 cases](https://openairdocs.org/ntsb-events/250/sequence.md)

## Factual narrative (aircraft 2)

On December 30, 2017, at 1642 universal time coordinated, a Construcciones Aeronauticas SA C.A.S.A. 1.131 (Bucker BU-131), N1950M (NX-1950M), and a Bell 412SP, EC-MMC, experienced a mid-air collision during final approach for landing to runway 20 at Muchamiel Aerodrome (LEMU), Alicante, Spain. After the collision, N1950M impacted terrain and EC-MMC landed without further incident. Both aircraft sustained substantial damage. The pilot of N1950M was fatally injured. Both pilots and eight passengers aboard EC-MMC were uninjured. Both flights originated from LEMU and were returning. The accident investigation is under the jurisdiction and control of the Comisión de Investigación de Accidentes e Incidentes de Aviación Civil (CIAIAC). This report is for informational purposes and contains only information provided by the government of Spain. Further information pertaining to this accident may be obtained from: Comisión de Investigación de Accidentes e Incidentes de Aviación Civil Ministerio de Fomento c\Fruela, 6 — 1a planta 28011 Madrid Spain Tel.: (34) 91 597 89 60 E-mail: ciaiac@fomento.es Fax: (34) 91 463 55 35 Website: http://www.ciaiac.es This report is for informational purposes only and contains only information released by, or obtained from, the Civil Aviation and Incident Investigation Commission of Spain

## Aircraft 1

- Registration: [N1950M](https://openairdocs.org/aircraft/N1950M), registered now, S/N E3B-315, built 1958 (OpenAirDocs)
- Reported make and model: Construcciones Aeronauticas C.A.S.A. 1.131 (Bucker BU-)
- Registry model: [Construcciones Aeronauticas C.A.S.A. 1.131](https://openairdocs.org/model/construcciones-aeronauticas-c-a-s-a-1-131) (registry code 2410100) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: E3B-315
- Damage: Substantial damage
- Flight: Personal, Non-U.S., non-commercial
- Operator: Pilot
- Registered owner: T2 Aviation Inc Trustee
- Airworthiness certificate: Special, Experimental (Special)
- Departed: LEMU, Alicante
- Destination: LEMU, Alicante
- Flight plan: Unknown
- Airport: LEMU, Muchamiel Aerodrome, runway 20

## Aircraft 2

- Registration: EC-MMC (not matched to a registry record)
- Reported make and model: BELL 412SP
- Category: Helicopter
- Serial number: 33209
- Damage: Substantial damage
- Flight: Non-U.S., commercial
- Operator: Babcock
- Registered owner: Babcock
- Departed: LEMU, Alicante
- Airport: LEMU, Muchamiel Aerodrome, runway 20

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot, aircraft N1950M; injuries: fatal
- Pilot, aircraft 2; injuries: none
- Co-pilot, aircraft 2; injuries: none

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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