``It was brand new. We had only had it a couple of weeks.''
``It had been sign written, I don't know what it would look like now but it was highly identifiable,'' she said.
Currently, equipment used in local whale and dolphin strandings is being stored in a volunteers garage.
``We've had equipment down there for a few years but it's never really had a home,'' Ms Muncaster said.
``It was going to live in the trailer because then it would be so much easier to transport when needed.''
The stolen trailer was secured in the organisation's rooftop carpark in Mount Eden.
``There was a barrier arm, it had a wheel clamp on it and hatch locks. The sad thing is we didn't have any insurance
because it was so new and we were still trying to negotiate it. As a charity we have to shop around and get the best deal so we were waiting for insurance companies to get back to us.''
``We couldn't be any more gutted. I felt physically sick when I learned it was gone.''
One good thing about the situation was that the trailer was empty.
It was due to be stocked with specialised whale rescue equipment, which included slings, pontoons, lifting mats, VHF radios, wetsuits, safety vests and more.
``On the bright side, it would have been a massive blow if it was full of equipment. There would have been at least
$20,000 worth of equipment inside,'' she said.
Meanwhile Project Jonah are calling for people to donate old pillow cases and sheets to the charity.
``Spring marks the start of our busy stranding season in New Zealand and we're urgently looking for essential supplies to stock our emergency trailers up and down the country,'' Ms Muncaster said.
``Pillow cases and sheets are very much needed and funnily enough they would have gone inside the trailers.''
Ms Muncaster said old bed sheets helped keep stranded whales cool and protect their sensitive skin from the sun and
wind. She said pillow cases made perfect makeshift sandbags and kept whales upright and prevented them
from rolling and damaging their fins.
Pillow cases and sheets can be dropped of at The Body Shop stores around New Zealand during the month of October.
New Zealand has one of the highest stranding rates in the world, with an average of 300 whales and dolphins stranding each year.
Last year 344 animals stranded, including four gray's beaked whales in Papamoa in January.