Shop › Royal Siamese Aeronautical Service Image 1 of 3 Image 2 of 3 Image 3 of 3 Royal Siamese Aeronautical Service £6.00 Markings for Spad VII (2 schemes), Spad XIII, Nieuport Nie. 11 and Nieuport Nie. 12 in 1/72 and 1/48 scale. Scale: Select Scale 1/72 1/48 Quantity: Add To Cart Added! Markings for Spad VII (2 schemes), Spad XIII, Nieuport Nie. 11 and Nieuport Nie. 12 in 1/72 and 1/48 scale.