For those interested in more about the photos: photographer was Zigor Alkorta. IPTC info associated with the photos is:
"LA PALOMA. LOIU. El vendaval que azoto ayer Euskadi pudo acabar en tragedia, evitada por la pericia de un piloto. El avion de Iberia procedente de Madrid que se disponia a tomar tierra en el aeropuerto de Bilbao tuvo que remontar el vuelo tras tocar su tren de aterrizaje la pista e inclinarse de forma espectacular."
Timing of the photos is: 15:15:38, 15:15:42, 15:15:43, 15:15:44, 15:15:46, 15:15:50. So the full sequence of photos covers 12 seconds and the 2nd-4th photos cover 2 seconds.
400mm on an EOS 20D, from which the determined person could calculate how far the camera is from the aircraft.