Amy’s Aviation: Top 5 Strange Planes Top 5 Strange planes 1. Dornier Do X More to click... Why is train track so straight? How many types of trains use the railway New electric trains are coming! 2. Handley Page H.P.42 3. Tarrant Tabor 4. Saunders Roe 5. Kalinin K-7 Click here to find out more planes! Amy Aviation with support from the Royal Aeronautical Society. Click here to find out more.