13.8 cm long. Made by Sambonet. Actually it comes from Hotel Le Meridien, it's not an airline spoon :-(((

  13.8 cm long. Marked "Zorayan Egypt" on the back, certainly from a Middle Eastern airline.

  Spoon is 11.7 cm long. I have no idea where it comes from.

 Spoon is 11.7 cm long. It was taken on a flight from France to Germany but the person can't remember which airline it was.