The phrase "already piloting" is correct and usable in written English.
It can be used to indicate that someone is currently in the process of testing or operating something, often in a trial or experimental phase.
Example: "We are already piloting the new software with a select group of users to gather feedback."
Alternatives: "currently testing" or "in the trial phase".
According to the government, 10 local authorities – almost 20 schools and hundreds of pupils – are already piloting iPads and Android technology.
The best-known Expanded Universe novels about Solo, the Han Solo Adventures, kick off with the famous pair already piloting the Falcon and conveniently come to their denouement with the Kessel Run not yet completed.
The pay review body recognised "affordability issues" but said experience at sites already piloting seven-day services suggested these were largely due "to the need to invest in extra resources, in particular additional staff, to provide services in the extra hours".
It's already piloting the program on Zynga.com, and it looks good.
The company is already piloting with buildings at Harvard Business School, Cooper Square Realty, and Transwestern Investment Company.
Even more excitingly, they found that some customers were already piloting even greater flexibility — such as offering e-bikes to their staff.
A number of drowning prevention projects, already piloted by the CIPRB, have seen good results.
Some analysts have pressed Fox to open more dual branded HMV/Waterstone's stores, having already piloted three such sites.
Many have been discussed at length by other groups, and already piloted and reviewed in some cases.
Councils would also be required to publish online details of all expenditure over £500, a policy already piloted in Windsor and Maidenhead.
According to Thomas Cook, though, the new design sells more holidays: "Having already piloted the brand unification approach in its North European businesses, there is evidence that the approach increases both early bookings and online bookings".
