We went on this flight as the boat trip we were booked on was cancelled due to rough seas. All the staff were great and once in the plane we soon found a sperm whale on the surface. We found 3 sperm whales and 2 humpback whales along with loads of seals. Definitely the best way to see whales.
We rebooked the boat trip for the day after, we saw 2 sperm whales and nothing else apart from sea birds.
To me the plane trip was 10 times better than the boat trip.