If it has and you missed the date you can still send in your objections, Newham Planning will accept them, but the sooner they arrive the more likely they are to be taken into account. If they are too late it is more uncertain if the points will be able to be addressed by the planning officer.
Newham Planning hope to take the application to the 4th June Planning Committee. However from the selection of objections we have had sight of we personally think this is unlikely.
It looks as if London City Airport might have to submit yet more relevant information that is 'missing'.