EC-BPF Heathrow 25-5-1991
EC-BPF : Douglas DC-9-32 : Viva Air
Although they had a fleet of 737-300s, Viva Air leased three DC-9s from Iberia for around two years from January 1990 to March 1992.
This was operating an Iberia scheduled service into LHR. This was the only time I saw a Viva Air DC-9.