Since these flights sometimes carried Norwegian and Danish refugees the airport became of interest for German spies, and two Swedish Douglas DC-3 that had taken off from Bromma were shot down by the Germans during the war.
Xa que moitos deses voos levaban refuxiados noruegueses e daneses, o aeroporto converteuse en interesante para os espías alemáns, sendo derrubados por Alemaña dous Douglas DC-3 suecos que engalaran dende o aeródromo durante a guerra.