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Aircraft crash in Serra de Monchique during flight from Cascais (CS-AJO)

Serra de Monchique, PortugalFlight

On November 6, 1982, a Britten-Norman Islander (registration CS-AJO) operated by Penina was involved in an aviation accident near Serra de Monchique, Portugal in flight. No fatalities were reported. Investigators recorded the probable cause as: The aircraft struck terrain after losing altitude while flying through poor weather conditions. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-11Data APIEditorial standards

An aircraft flying from Cascais to Portimão crashed into a hillside in the Serra de Monchique region following encounters with adverse weather.

What happened

During a flight traveling from Cascais toward Portimão, an aircraft encountered difficult meteorological conditions. While navigating through this poor weather, the plane experienced a loss of altitude, which ultimately led to a collision with a hill situated within the Serra de Monchique area.

Despite the impact, emergency responders were able to locate and reach the site. All four people on board were successfully recovered from the wreckage without fatalities reported.

Findings

  • The flight was operating in adverse weather conditions at the time of the accident.
  • The descent into the terrain was preceded by a loss of altitude during the flight.

Probable cause

The aircraft struck terrain after losing altitude while flying through poor weather conditions.

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