PE to Oz

Hi

Booked to fly LHR to Sydney via Hong Kong on 30th October.

Can't choose my seat online, any ideas why? Last time we fly to Vegas and couldn't pre assign but I thought that was because of the fleet refit last year.

Anyone know which aircraft it's likely to be?

Thanks!

[Darren Wheeler]

Seat requests are currently only available within 90 days of your departure.

The plane, with 99.99% certainty will be a 600.

Thank you Darren appreciated, knew you guys would know.