TL,
The rise was a result of the business having reached a certain point in its growth prior to the expected growth rate. Whilst the aircraft charge rates are extravagant, the company are using the extra dosh over what would be considered a normal profit margin to pay for the business, started less than two years ago. Now that it's ticking over nicely, thanks to the toil of everyone involved since the start, we're starting to see the rewards.
520.