According to archived radio traffic from Burlington County Fire and EMS, the helicopter was in a hover with a mechanical problem waiting for the fire department to arrive. They attempted a landing, ended up in flames. One occupant was declared dead at the hospital, the other at the scene.
From one of the links posted above:
Troy Gentry killed in Lumberton helicopter crash
Courier-Post Published 1:21 p.m. ET Sept. 8, 2017 | Updated 4:10 p.m. ET Sept. 8, 2017
LUMBERTON - One half of a popular country music duo was killed in a helicopter crash here this afternoon.
Troy Gentry, of the band Montgomery Gentry, died when the helicopter he was in crashed at the Flying W Airport, the band confirmed through social media Friday afternoon.
The aircraft went down around 12:37 p.m. Friday. The band had been set to perform this evening at the airport, which also houses a resort.
Another man was killed in the crash, officials said. His identity has not yet been released.
One victim died at the scene and the second man had to be extricated from the wreckage. He was taken to Virtua Marlton Hospital, where he later died, according to a spokesman for the Burlington County Prosecutor's Office.
From the NTSB's Twitter feed:
NTSB is investigating today’s accident in Lumberton, NJ involving a Schweitzer [sic] H269.
An outfit called Helicopter Flight Services at Flying W Airport advertises:
Become a Helicopter Pilot in one of Our Schweizer Helicopters and enjoy beautiful views like this.
Get directions to the Flying W and come and visit our hangar [sic] and facilities, both at the school and at the Airport.
Medford, New Jersey Helicopter Flight Services - Helicopter Flight Training, Helicopter Sight Seeing Tours, Aerial Photography