By OBSERVERS TIMES
NTSB Investigation Blames Spatial Disorientation, Safety Oversight Failures for Fatal Incident
[Location, Date] – A final report released by the U.S. National Transportation Safety Board (NTSB) has concluded that the helicopter crash which tragically killed former Access Holdings Plc CEO Herbert Wigwe, his wife Doreen, their son Chizi, and former Nigerian Exchange Group Plc (NGX Group) Chairman Abimbola Ogunbanjo, was caused by a combination of pilot spatial disorientation and significant negligence by the helicopter company.
The devastating incident occurred on February 9, 2024, near the Nevada border in California, claiming the lives of all six individuals on board the helicopter, registered N130CZ.
The NTSB’s comprehensive investigation pinpointed the primary cause of the crash as the pilot’s decision to proceed with the flight under visual flight rules (VFR) despite encountering instrument meteorological conditions (IMC). The report stated that this critical error led to the pilot becoming spatially disoriented, resulting in a complete loss of control of the aircraft, which ultimately crashed into the terrain.
According to the NTSB, spatial disorientation, a dangerous phenomenon where a pilot’s sense of direction is severely compromised due to limited visibility, was a significant contributing factor to the fatal accident. The report emphasized the pilot’s inability to effectively navigate under such adverse conditions.
Beyond the pilot’s error, the NTSB report also highlighted severe deficiencies in the helicopter company’s oversight and safety management processes. Investigators found that the company failed to ensure pilots adhered to essential safety procedures, including the accurate completion and regular updating of crucial flight risk assessments and the proper logging of maintenance discrepancies.
Further details from the NTSB investigation revealed that during the flight, the pilot had communicated with the company’s Director of Maintenance (DOM) regarding a malfunctioning radar altimeter, which remained non-operational despite attempts at repair.
The report also exposed a critical lapse in communication. Upon arriving at the airport to pick up the passengers, the pilot engaged in a phone conversation with a company flight follower (who was also the company’s president). Shockingly, the status of the non-functional radar altimeter and the prevailing adverse weather conditions were not discussed during this crucial interaction, both factors that could have significantly impacted the flight’s safety.
The NTSB report explicitly stated: “The probable cause of this accident was the pilot’s decision to continue the flight into IMC, which led to spatial disorientation and the loss of control of the aircraft. Contributing factors include the company’s inadequate oversight of safety management, failure to ensure proper documentation, and the non-functioning radar altimeter.”
The report further detailed the sequence of events, noting that the pilot had informed the Director of Maintenance about the radar altimeter issue via text message during the positioning flight. Upon landing at the company’s flight operations base, the pilot discussed the problem with the flight follower. A company mechanic attempted to fix the altimeter but was unsuccessful, and both the pilot and the DOM were aware of its non-functional status before the departure to pick up the passengers. Despite this critical equipment malfunction and the deteriorating weather, the flight proceeded, ultimately leading to the tragic outcome.
