On the Wales Air Forum, member Gerallt Marsh has listed the key points of the contract which must be adhered to by the operator. The document is on the Welsh government website.
"PSO Term from 10th December 2014 - 9th December 2018
Annual Budget allocated between 1m & 1.3m per annum
Flights must be non-stop
Max Single Fare of £60 one-way for tirst 60% and max £90 for remainder.
Timings must be scheduled within RAF Valley‟s opening hours of 08:00 to 18:00 on Monday to Thursday, 08:00 to 17:00 on Friday. Note
First departure from Cardiff no later than 08:00.
First departure from RAF Valley no later than 09:00.
Last departure from RAF Valley no earlier than 17:00 Monday to Thursday and no earlier than 16:00 on Friday.
Minimum of 2 x Daily flights on a aircraft no larger than 19 seats (however scheduled flights are only allowed to operate during blocks at the beginning & end of Valley opening times due to RAF Training."