(18 Mar 2016, 6:48 pm)South Tyne Lad wrote Aye the 689 is a brilliant route, I believe 1 board of the 15/15A is allocated Omnidekkas unless things have changed. Also good luck trying to find that board because its very rarely a Omnidekka anyways.
That was only the case prior to the October 2015 service revisions. The only services to be allocated OmniDekkas now are the 6 & X70/X71, with 6132/33 covering as spares when one of the branded OmniDekkas are unavailable.