Stephen Fleming says he's keen on coaching the Black Caps Twenty20 team.

Speaking to Glen Larmer on Trackside Radio on Thursday morning, the former New Zealand captain said he would love to get involved with the Black Caps again.

Fleming coaches the Chennai Super Kings in the Indian Premier League and Melbourne Stars in the Australian Big Bash, and has become a sought after figure in the shortest format.

ROSS SETFORD/NZPA Stephen Fleming was an inspirational leader and successful captain for the Black Caps in the early 2000s.

He would now like to put that knowledge he's amassed to help out the New Zealand T20 side.

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Former Black Cap turned commentator Simon Doull recently brought up the issue as to whether there should be a separate coach for the New Zealand T20 team as the demands of international cricket increase.

Coach Mike Hesson is contracted until the end of next year's World Cup in the United Kingdom, with the World Twenty20 to follow in Australia just over a year later in October 2020.

Asked if he'd be interested if New Zealand Cricket decided to split the coaching roles, Fleming said he would and felt Daniel Vettori would also be keen.

ROSS SETFORD/NZPA Former Black Caps captains Daniel Vettori and Stephen Fleming were key to the team's brains trust in their playing days.

"I would and it's based on my passion and love for New Zealand cricket," Fleming told Trackside Radio.

"At some stage there will hopefully be an opportunity to contribute some of that IP.

"I've got a very good relationship with Craig McMillan (Black Caps batting coach) and spend a lot of time talking to him about where the game is going and what he sees.

ROSS SETFORD/NZPA Stephen Fleming, centre, keeps in touch with former team-mate Craig McMillan, left, on developments in T20 cricket.

"So I enjoy passing on that knowledge and it comes back to wanting the New Zealand team to be strong.

"I enjoy going away and having a strong New Zealand team performing well around the world, it helps my job and I enjoy getting the New Zealand players in the sides that I've got.

"At some stage, who knows, and I think Daniel would be the same. I'd love to help, but I certainly appreciate and admire the work Mike has done."

Senior Black Caps bowler Trent Boult, who will play under another T20 maestro Ricky Ponting at the Delhi Daredevils in next month's IPL, was interested to hear Fleming put his name forward.

"It's pretty hard to see where the game's going to go and it might move in that direction where specialist coaches come in for different formats. To hear someone like that, a really respected New Zealand cricketer and a good coach, to say he could be interested is very exciting," Boult said.

"In terms of the team now, we're going well and enjoying all the formats and Mike is doing a great job. It is exciting to potentially see what could happen in the future but I'm pretty happy at the moment."

England have been on tour Down Under since the beginning of November, playing tests, ODIs and T20 games. The tour doesn't finish until April 3, but the only person who is with the team the entire time is England coach Trevor Bayliss.

He recently proposed scrapping T20 internationals except for world tournaments and a brief leadup, amid fears the packed schedule would take a heavy toll on players and coaches.

"To have one voice throughout is valuable," Fleming told Trackside Radio.

"If you can have consistently in your management and leaders all of the way through, then that's a bonus. One of my concerns would be the workload on Mike Hesson.

"When you look at these 12 months and a bit more going forward, we don't know what's going to happen with the next future tours programme that comes out.

"But you've got to think for a modern day coach these days, to be spending 250-300 days away, or involved in the job, travelling and hotels and being away from the family, that's unsustainable.

"So Simon makes some good points there about looking after your coaches and maybe T20 is one form of the game where there's an opportunity for the head coach to have some time off.

"Whether you develop a Craig McMillan or another young coach coming forward, or you get an old dog in and maybe (Daniel) Vettori or myself come in to spend a bit of time there?

"It's whether it keeps Mike Hesson fresh, it's whether it falls into line with what Mike wants. But I think it's worth discussing going forward as the schedule gets more cluttered."