The NTSB said that the witnesses reported that the
weather on the day of the unfortunate incident was a mix of rain and snow.
A preliminary report released on Saturday by the
United States National Transportation Safety Board (NTSB) has revealed that the
helicopter carrying the late Group Chief Executive Officer (GCEO) of Access
Holdings Plc, Herbert Wigwe, his wife, and others, was witnessed by several
people in vehicles as a "fireball" before it crashed.
Recall that Wigwe, his wife, son and the former Group
Chairman of Nigerian Exchange Group Plc (NGX Group), Abimbola Ogunbanjo, were
all in the Airbus Helicopters EC 130B4 with registration number N130CZ which
crashed near Halloran Springs, California on February 9, in which all six
people onboard including the pilot and co-pilot died.
The NTSB said that the witnesses reported that the
weather on the day of the unfortunate incident was a mix of rain and snow.
The report further stated that the automatic dependent
surveillance broadcast (ADS-B) technology built in the helicopter that provides
the position of an aircraft, recorded an increase in ground speed before the
crash.
The NTSB’s preliminary report stated that“The accident
flight departed Palm Springs International Airport (PSP) at 2045 under visual
flight rules and flew a northwesterly heading for about 2 miles before
following US Highway 111 to Interstate (I) 10 at altitudes varying between
2,500 – 3,000 ft mean sea level (msl).
“The helicopter continued along I-10, crossed over San
Bernadino International Airport, San Bernadino, California, and then followed
I-215 to I-15.
“The helicopter followed I-15 toward the planned
destination of Boulder City Municipal Airport (BVU), Boulder City, Nevada,
climbed between 4,000 – 5,500 ft msl, then descended to about 3,500 ft msl near
Barstow, California, where the ADS-B track data was lost about 2146, likely due
to terrain interference.
“ADS-B data resumed at 2207 near the Halloran
Springs/I-15 exit west of the accident location. The last ADS-B data points for
the flight tracked east-southeast, gradually descended in altitude, and
increased in ground speed (see Figures 1 and 2).”
The report added that“The accident site was located
0.31 miles east-southeast of the last data point at an elevation of about 3,360
ft msl.
“According to law enforcement, several witnesses who
were traveling in vehicles on I-15, called 911 to report observing a ‘fireball’
to the south.
“The witnesses reported the weather conditions in the
area were “not good” and raining with a snow mix. The accident site was located
by law enforcement at 2346.”
The NTSB further stated that “wreckage was located in
high mountainous desert and scrub brush covered terrain, and debris were
scattered about 300 ft along a 120° magnetic heading from the initial impact
point”.
“All major helicopter components were identified at
the accident site. The fuselage was fragmented, and the cockpit and cabin were
destroyed. Some debris and vegetation displayed thermal damage.
“The flight control tubes and linkages leading up to
the flight control servos were fragmented and continuity could not be verified.
“All three pitch control links were attached at the
swashplate and blade pitch change horns. The main rotor blades were fragmented
and broomstrawed, and the blade sleeves and tips were present,”the report
indicated.
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