Ground Resonance Rattles Brazilian Chopper to Bits
What: Corpo de Bombeiros Militar do Estado do Pará Helibras HB 350BA Esquilo Where: Benevides Brazil When: Feb 22, 2012 Who: 4 aboard, no fatalities Why: The rescue chopper vibrated itself apart after landing.
“Ground resonance” occurs when a sitting helicopter’s rotors become unbalanced while spinning. A resident expert says this can happen because of a hard landing; the best way to get it to stop is to pull collective and break contact with the ground. (At the time, that would feel counter intuitive, I would think!)
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What: Trip Linhas Aereas Embraer ERJ-190 en route from Porto Velho to Belo Horizonte Where: Cuiaba When: Feb 5th 2012 Who: 82 passengers and 5 crew; 6 injured Why: While en route, the flight encountered turbulence.
Five passengers and one attendant were injured.
The pilots diverted to Cuiabá, Mato Grosso, Brazil where they made a safe landing.
None of the injured passengers were buckled in at the time of the turbulence. On landing, the injured were hospitalized.
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A military helicopter crashed on top of two vehicles in Oaxaca, Mexico, on February 16th.
The incident happened when the helicopter, carrying officials including Mexican Interior Minister Alfonso Navarrete Prida and Oaxaca’s governor Alejandro Murat, was attempting to land at an airfield in Santiago Jamiltepec.
All the occupants survived the crash, however, thirteen people on the ground were killed.
The officials on-board the helicopter were surveying damage caused by the recent earthquake.
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What: Vertical CFI Helicopters Robinson R22 Beta II Where: Rio Vista California When: Feb 19 2012 Who: 1 aboard Why: The helicopter clipped the plane over Rio Vista. The chopper was eight miles from the airport when it crashed.
Although the contact broke off the tail of the chopper and ended the severed rotor up 50 feet from the fuselage, the pilot walked away. She was reported to be unhurt; She is an experienced commercial airplane pilot who was logging night-flying hours alone toward a helicopter license.
On December 25, 2012, a Kazakhstan Border Guards Antonov 72 transport plane crashed 12 1/2 miles from Shymkent Airport, Kazakhstan. All 20 passengers and seven crew died in the crash.
The airplane was operated by the Kazakhstan Border Guards. Among those killed was acting director of National Security Committee’s Border Guard Service, Colonel Turganbek Stambekov. Weather at Shymkent was poor with heavy snowfall and limited visibility.
Official Press Release
As previously reported, on December 25 of the current year in 18 hours and 55 minutes on the approach to Shymkent crashed military transport aircraft Border Patrol KNB.
All on board, 27 people, including seven crew members died.
Among the dead, Border Patrol Director Colonel Stambekov TM and his accompanying group of officers from the central office of the Service, as well as soldiers of the Regional Management “On ?t?st?k” on December 25 of the current year in Astana to attend the meeting of the Military Council of the Border Guard Service.
Border Patrol Leaders directed in Shymkent for the military council to the regional “On ?t?st?k” to sum ??up the past year.
Now that crashed runs interdepartmental commission to investigate aviation incidents.
In Shymkent flew the KNB N.Abykaev.
Death toll:
Crew commander – Major Nurakhmetov Marat Tursunovich
Azul Linhas Aereas flight had to return and make an emergency landing at Viracopos International Airport, São Paulo, Brazil, on May 4th.