Not in any particular order.
1. Constellation (Walk up hill then down hill)
2. C46/C47 (Different nose on each makes it easier)
3. B707/DC-8 (Nostrals on the DC-8)
4. L1011/DC-10, MD-11 (Look at the center engine! Winglets on the MD-11)
5. P51 Mustang
6. P38 Lightning
7. B727 (How is it different from a Trident?)
8. B17 Flying Fortress
9. B29 Super Fortress
10. VC10 (Not a TU-154!)
11. F86 Sabre (Distinctive jet intake) and Super Sabre (Horizontal stabilizer higher)
12. B747 (A Beauty.. all models)
13. B757 (Distinctive stance on the ground, takes off like a bat outta h...!)
bj-21.