15.9 C
Wednesday, July 6, 2022

Hawaii tour helicopter crash: NTSB report reveals new particulars about moments earlier than accident

Must read

- Advertisement -

NEWNow you can take heed to Fox Information articles!

A preliminary report right into a Hawaii tour helicopter crash revealed the chopper skilled a “violent upset,” earlier than spinning uncontrollably downward and crashing right into a distant lava discipline. 

The June 8 crash close to Kalea, Hawaii, on the island of Hawaii, occurred throughout a federally regulated “on-demand air tour flight” and left the pilot and two passengers severely injured, whereas three different passengers sustained minor accidents, in keeping with the Nationwide Transportation Security Board. 

NTSB’s aviation accident preliminary report particulars how a consultant of the operator, Paradise Helicopters, informed investigators that the chopper – a Bell 407 helicopter, N402SH – departed at roughly 5:01 p.m. native time from the corporate base at Ellison Onizuka Kona Worldwide Airport at Keahole (PHKO), Kona, Hawaii, and headed to the south for an air tour flight across the island. 

The helicopter traveled southeast at about 500-600 ft above floor degree and between airspeeds of 122 and 127 knots, in keeping with computerized dependent surveillance-broadcast and firm flight observe knowledge. 

- Advertisement -


The pilot reported that the primary a part of the flight was regular. 

About half-hour into the flight, the helicopter “skilled a violent upset, adopted by an uncontrolled spin (yaw) to the appropriate,” in keeping with the NTSB. 

This NTSB picture reveals the primary wreckage in lava-covered terrain. 
(Nationwide Transportation Security Board)

A passenger, seated within the aft left forward-facing seat reported that because the helicopter continued to spin, she noticed one thing fall off the helicopter; nonetheless, she was not in a position to establish a particular half.

The flight track data confirmed a speedy descent and reduce in airspeed on the finish of the flight observe, in line with the occupants’ statements, in keeping with the NTSB. 

The helicopter continued to spin uncontrollably whereas it descended, and it subsequently struck an space of tough, uneven, lava-covered terrain and got here to relaxation on its left facet. 

After the affect, a passenger managed to make the emergency call to report the crash. 

The helicopter broke into giant items separated by a whole bunch of toes upon hitting the bottom. 

“An NTSB on web site examination of the accident web site revealed the tail increase got here to relaxation about 762 ft northeast from the primary wreckage, which consisted of the fuselage, engine, and major rotor system,” the report says. “The tail increase separated from the fuselage on the tail increase connect level.”

This NTSB image shows the tail boom at the accident site.

This NTSB picture reveals the tail increase on the accident web site.
(Nationwide Transportation Security Board)

“The higher left attachment becoming fastener was not current, and the decrease left attachment becoming was fractured and displayed fatigue signatures,” the report continues. “The fasteners for the decrease left, decrease proper, and higher proper attachment fittings had been current.”

The helicopter’s upkeep data revealed that the latest tail increase attachment fasteners torque examine was accomplished on Might 4, 2022, at a complete airframe time of twenty-two,891.4 flight hours. 

On the time of the accident, the helicopter had gathered 23,005.6 flight hours — 114.2 flight hours because the torque examine — and no further upkeep had been carried out to that attachment location. 

The tail increase was put in on August 23, 2009, at a complete airframe time of 5,780.0 hours and had not been eliminated previous to the accident, the NTSB says. 


Parts of the tail increase construction, aft fuselage construction, attachment fittings and fasteners had been retained for additional examination by the NTSB’s Supplies Laboratory.

An investigator from the Nationwide Transportation Security Board’s (NTSB) Alaska Regional Workplace, together with an NTSB airworthiness investigator, an NTSB survival components investigator, and an NTSB upkeep investigator from Washington, D.C., responded to the island of Hawaii.

Source link

More articles

- Advertisement -

Latest article