Court has resumed following the afternoon break.
The court has heard that pilot Sebastian Robinson had a reputation as a "party animal" and was a "regular and frequent user of cocaine".
Under cross-examination by defence barrister David Edwardson KC, egg collector Jock Purcell agreed that Matt Wright had "a zero tolerance for drugs".
Mr Purcell also agreed Mr Robinson had been using cocaine in the months prior to the crash.
"He was well known for being a very big party animal, wasn't he?" Mr Edwardson asked, to which Mr Purcell replied, "Yeah".
"Partying involved alcohol and cocaine, didn't it?" the lawyer asked.
"Yeah," the pilot replied.
Mr Purcell also agreed that Mr Robinson would use Mr Wright's helicopters "from time to time, for his own personal use", including "fishing trips" and "partying with acquaintances".
And he agreed Mr Robinson would disconnect the aircraft's Hobbs meter "to disguise the fact he was using the helicopter in that way".
Later, Mr Purcell said he "couldn't say how often" Mr Robinson had used drugs and — under further questioning by Crown prosecutor Jason Gullaci SC— agreed he had only personally seen him doing so once.
The court also heard Mr Purcell had been trying to help Mr Robinson "get his paperwork in order" after Mr Wright started "cracking the whip".
Mr Edwardson took Mr Purcell through a series of text messages between him and Mr Wright relating to helicopter flight records.
In one message, Mr Wright said: "Seb and Jock,work out what days this machine has been flown and make sure there's entries for the MR to put in today please".
Mr Purcell agreed with Mr Edwardson that Mr Wright was saying "get your act together, I need these MRs (maintenance releases) up to date".
"In a sense he was cracking the whip, making sure that things were done and up to date, correct?" Mr Edwardson asked.
"Yeah," Mr Purcell replied.