It is understood the couple recently sold their share in the business and the pilot husband was working for another company.
Since yesterday heartfelt tributes have flowed on social media from friends who have been left in shock.
Devastated friends described the father-of-two as "one of the good ones" and a "nice guy".
Friend Phillipa Halse posted she was lost for words and described Jessop as a special man.
"Al was one of the good ones, amazing guy, husband and father."
"I am absolutely heartbroken for you and the kids my beautiful friend.... there was a star which shone extra bright last night and knew it was Al," posted Tracey Brennan.
Tangiteroria local Vivian Lee Wienand said the whole family held a special place in their hearts.
"Dear Kirsty, You, Al and Paige were one of the families that especially made us feel welcome to the community being new to Tangi... when Barry spoke to Al at sports day my hubby commented "what a nice guy" ,' she posted .
Friend John Hunter said he would cherish the now final evening spent in Al's company.
Others said they had been left completely shocked and saddened by the news and were sending thoughts and prayers to the family.
Precision Helicopters Ltd would not comment when asked about yesterday's crash.
Today the Transport Accident Investigation Commission launched an inquiry into the fatal accident.
Two investigators were making their way to the crash site to identify the circumstances and causes of the accident to prevent it happening again.
The commission's inquiry was a separate investigation from the Civil Aviation Authority which is also investigating the cause of the crash.
The Robinson Helicopter Company today said it had been informed about the latest Northland accident.
The company's accident investigators were in contact with the New Zealand authorities to fully assist and cooperate in the investigation.
"Our thoughts are with the families, friends, and loved ones affected by the accident," said spokeswoman Loretta Conley.