sky9: I had a quick look on Expedia for flights from LAX to LHR. The airlines that operate it are BA, Virgin, Air New Zealand, American Airlines and United.
Would someone tell me what aircraft type is operated by each airline on the route; it might throw some light on the FAA case.
From
eskyguide.com:-
British Airways 744 (6 x per week)
Air New Zealand 744 (daily)
Virgin Atlantic 744 (daily)
British Airways 744 (daily)
United 777 (daily)
American Airlines 777 (daily)
American Airlines 777 (daily)
Virgin Atlantic 343 (daily)
British Airways 744 (daily)
Also, if interesting, flights from SFO:-
United 777 (daily)
Virgin Atlantic 744 (daily)
British Airways 744 (daily)
British Airways 744 (daily)
United 777 (daily)