It is/was an A/G service but what is slightly odd is the slant LaurieGav puts on the situation at Bembridge which clearly differs from what others are saying.
Read this:
Doubts over airport future
The airfield owner seems not to want to let B&N have their cake and eat it so B&N decide to use the strongest option open to them - withdraw.
If the Taylor family wanted to operate the airfield I am sure they could find people living on the Island who are more than willing and capable of doing it, with or without an ATZ.
Call their bluff and let B&N transport their aircraft by road.
ooh this makes me feel so militant