# NTSB CEN17RA158: Piper PA31T, Cascais, Portugal, April 17, 2017

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Foreign investigation
- Date: April 17, 2017, 11:04 local (11:04 UTC)
- Place: Cascais, Portugal
- Coordinates: 38.714721, -9.346111 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=38.7147&lon=-9.3461&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Defining event: [Initial climb: Loss of control in flight](https://openairdocs.org/ntsb-events/240)
- Highest injury: Fatal
- Injuries: 5 fatal; on the ground: 1 fatal
- Status: Led by another country's authority
- NTSB office: Central Region
- Lead agency: Other
- NTSB case key (mKey): 95022
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CEN17RA158
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/95022/pdf
- Page: https://openairdocs.org/ntsb/CEN17RA158

## Sequence of events

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

- [Initial climb: Loss of control in flight](https://openairdocs.org/ntsb-events/240) (defining event); cases with it: [All aircraft, 5,002 cases](https://openairdocs.org/ntsb-events/240/sequence.md)

## Factual narrative

On April 17, 2017, about 1104 hours universal coordinated time, a Piper PA-31T, serial number 31T-8020091, Swiss registration HB-LTI, was destroyed during impact and a postimpact fire following a loss of control during initial climb from runway 17 at the Cascais Aerodrome (LPCS), Cascais, Portugal. The pilot, his three passengers, and an individual on the ground were fatally injured. The flight was originating at the time of the accident and was destined for Avignon-Provence Airport (LFMV), located near Avignon, France.The accident investigation is under the jurisdiction and control of the Gabinete de Prevenção e Investigação de Acidentes com Aeronaves (GPIAA). This report is for informational purposes and contains only information released by or obtained from the government of the Portugal. Further information pertaining to this accident may be obtained from: Gabinete de Prevenção e Investigação de Acidentes com Aeronaves (GPIAA) Praca Duque de Saldanha, 31 – 4ºAndar 1150 - 094 Lisboa Portugal Tel.: (351) 212739230 E-mail: geral@gpiaa.gov.pt Fax: (351) 212739260

## Aircraft

- Registration: HB-LTI (not matched to a registry record)
- Reported make and model: PIPER PA31T
- Category: Airplane
- Serial number: 31T-8020091
- Engines: Pratt & Whitney PT6A-28 turbo prop; Pratt & Whitney PT6A-28 turbo prop
- Damage: Destroyed
- Fire: On-Ground
- Flight: Business, Non-U.S., non-commercial
- Operator: Symbios Orthopédie SA
- Registered owner: Symbios Orthopédie SA
- Airworthiness certificate: Standard, Normal
- Departed: LPCS, Cascais
- Destination: LFMV, Avignon
- Flight plan: Unknown
- Airport: LPCS, Cascais Municipal Aerodrome, runway 17, 4,593 × 98 ft, asphalt

## Weather

- Conditions: Visual (VMC), Day
- Wind: variable at 3 knots
- Visibility: 10 statute miles
- Temperature: 72 °F, dew point 54 °F
- Altimeter: 30.05 inHg
- Observed at: LPCS, 1 nm away

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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