B707-436 in Lax in the early 70's.
We did a lot of affinity charters in the early 70's so that may be it.
Apart from the usual schedules some of the trips from my logbook for the 436 during '73 show-
LHR- LGW-Gander- Oakland
JFK-Zurich-LHR
LHR-Nice-LHR
LHR-Orly -JFK-Le Bourget- LHR
LHR-Dubrovnik-LHR
Gander-Montreal-Oakland.
LHR-Basel-LHR
All sort of died out by '74 then we went back to the usual BOAC schedules.
SFD