The Accident Investigation Bureau (AIB) on Tuesday clarified that the Calverton Helicopter crash that happened at Kabba Stadium, Kogi State on February, second 2019 with Vice president Yemi Osinbajo and 11 others on board to brown out or in-flight perceivability limitation because of residue or sand noticeable all around. The AIB Commissioner Akin Olateru told columnists on Tuesday in Abuja that the event was likewise disclosed to the causal factor to incorporate Inappropriate landing method, non-adherence to organization methodology for known or foreseen brownout condition during landing and absence of hazard evaluation, restricted landing site arrangement and arranging before initiation of the flight. The report uncovered that about 13:46hrs on February 2, 2019 the helicopter withdrew Abuja runway 22 for Kabba. On board were 12 people including the Vice President of the Federal Republic of Nigeria, his escort and three team individuals (Pilot, Co-pilot and an Engineer)....