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Last updated: 5 December 2020
Statuts:Enquête Officielle
Date:dimanche 7 mars 2010
Heure:15:35
Type/Sous-type:Silhouette image of generic LJ35 model; specific model in this crash may look slightly different
Learjet 35A
Compagnie:Líder Táxi Aéreo
Immatriculation: PT-LJK
Numéro de série: 35-372
Année de Fabrication: 1981
Equipage:victimes: 0 / à bord: 2
Passagers:victimes: 0 / à bord: 4
Total:victimes: 0 / à bord: 6
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Manaus-Eduardo Gomes International Airport, AM (MAO) (   Brésil)
Phase de vol: Au décollage (TOF)
Nature:Ambulance
Aéroport de départ:Manaus-Eduardo Gomes International Airport, AM (MAO/SBEG), Brésil
Aéroport de destination:Rio de Janeiro (unknown airport), RJ, Brésil
Détails:
The Learjet 35A was chartered to transport a patient from the United States to Rio de Janeiro. The flight departed Palm Beach, Florida on March 7 and made refueling stops at Aguadilla, Puerto Rico and Manaus, Brazil.
During takeoff from runway 10 at Manaus-Eduardo Gomes International Airport, the crew heard a loud external noise followed by a yaw to the right and then new noise, similar to a tire burst. Speed at the time of the occurrence was just below V1.
The crew decided to abort the takeoff by reducing the thrust levers and engaging the spoilers. The aircraft did not have reversers and was partially controlled on the center of the runway with use of pedals and differential brakes. However, the aircraft could not be stopped on the runway and overran by about 400 m.

Probable Cause:

Contributing factors (translated from Portuguese):
a) Cockpit coordination - undetermined
The diversity of configurations of the company's aircraft was a complicating factor in aircraft operation, and may have contributed to inadequate cockpit coordination at the time of takeoff abortion.
b) Pilot unawareness - undetermined
As the drag chute was optional equipment, it is possible that the crew has forgotten that the aircraft was equipped with this device.
c) Pilot experience - contributed
The pilot did not use the parachute by judging their use at low speed would be inefficient, and, as was optional equipment, there was no description of its use in the aircraft manual.
d) Maintenance of aircraft - undetermined
Tests conducted on wheels identified that the six connecting bolts of the right outer wheel torque with semicubos were approximately 90% lower than foreseen. It is possible that this fact has contributed to the tire deflation.

Accident investigation:
cover
Investigating agency: CENIPA
Status: Investigation completed
Duration: 3 years and 10 months
Accident number: IG-171/CENIPA/2013
Download report: Final report


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Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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