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ASN Wikibase Occurrence # 66233
Last updated: 2 December 2021
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Time:11:40 UTC
Type:Silhouette image of generic BE76 model; specific model in this crash may look slightly different
Beechcraft 76 Duchess
Registration: CS-DCS
MSN: ME-404
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: Substantial
Location:Cascais (LPCS) -   Portugal
Phase: Landing
Departure airport:Cascais aerodrome (LPCS)
Destination airport:Cascais aerodrome (LPCS)
On November 4, 2008, the flight instructor accompanied by two students of the GESTAIR flight school, filed a VFR flight plan for an instructional local flight at Cascais aerodrome, Portugal (LPCS). During the fourth landing of the instructional flight, the flight instructor forgets to extended the aircraft landing gear. The airplane impacted the ground and stopped. The three occupants sustained no injuries.

Causes of Incident
1 Primary Factor
The primary factor behind this incident was the omission of the landing gear extension.
2 Contributing Factors
Contribution factors are considered:
1 The lack of correct execution of the recommended procedures and the non-confirmation of them, by reading and answering the checklists;
2 The routine effect and fatigue accumulated by the performance of repetitive tasks, over a considerable period of time;
3 The fact that the audible warning of the missing undercarriage was deactivated at the time of the incident.


Accident investigation:
Investigating agency: 
Status: Investigation completed
Download report: Final report
Other occurrences involving this aircraft

21 Jan 2004 CS-DCS Flight Scholl Aerocondor 0 Cascais aerodrome (LPCS), Portugal sub
12 Feb 2018 CS-DCS EAA 0 Ponte de Sor Aerodrome (LPSO) sub

Revision history:

05-Jul-2009 08:09 JFigueiredo Added
23-Jan-2017 11:21 TB Updated [Time, Operator, Location, Departure airport, Destination airport]
20-May-2020 14:12 KagurazakaHanayo Updated [Time, Total occupants, Source, Narrative]
20-May-2020 16:03 harro Updated [Source, Accident report, ]
20-May-2020 16:41 harro Updated [Source, Accident report, ]

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