Tenuous link between au pairs and aviation.....
The opening credit reel sequence of the woeful 1972 Tigon film "Au Pair Girls" (which, later in the film, featured some spectacularly revealing scenes of the divine Gabrielle Drake...

) was shot at Heathrow airport. At one point, the remains of the Trident damaged by the July 1968 BKS Airspeed Ambassador accident can be seen being removed from the area near what became Terminal 1....
An interesting variety of aircraft in both the opening and end credit sections.
(But Gabrielle Drake was even more 'interesting'....

)