Menampilkan: Amerika Serikat - Perangka pos udara (1980 - 1989) - 3 prangko.
29. Maret WM: Tiada Perforasi: 11
![[The 350th Anniversary of the New Sweden Settlement, Tipe CL]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/CL-s.jpg)
14. Mei WM: Tiada Desain: K. Dallison. Perforasi: 11
![[Avaition Pioneers - Samuel Pierpont Langley, 1834-1906, Tipe CM]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/CM-s.jpg)
23. Juni WM: Tiada Desain: R. Wicks. Ukiran: D. Brown, G. Chaconas, G. Slaught Perforasi: 11
![[Avaition Pioneers - Igor Sikorsky, 1889-1972, Tipe CN]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/CN-s.jpg)