To add, the pilot who watched the crash advised the other pilot to do what I think is a "straight-in landing". The pilot of the helicopter with problems then said he was going to try the "straight-in landing".
If you see the bottom of this news page, you can see on the map where it crashed, and it's noticeable why it's a place chosen for emergencies, since it's got a large strip, used for horse racing.
G1 > Edição São Paulo - NOTÍCIAS - 'Ele relatou pane pelo rádio', diz piloto que viu queda de helicóptero em SP
Also the pilot who landed and assisted said that he "switched off the battery, fuel pump, all these things" of the other helicopter.