The scientists fly up to Lapland in the SAS Convair 440 Metroliner "Trygve Viking", then onto the landing site of the spaceship in a Swedish Army Noorduyn Norseman.
The film was shot in 1958.
The film was hilariously riffed by the former MST3K legends Mike, Bill and Kevin for Rifftrax.
At 29:58 into the film, there is a mistake in the spelling of one of the English subtitles. The team's photographer, referring to the film in his camera, says "... I'm taking a whole roll on this run...". The English subtitle that is used here incorrectly says "role", rather than "roll".