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| Catalog Number | Thumbnail | Denom. | Perf. | Description | Color | Issue Date | Click for Details | Click for Plate Number | Click for Tagging Info | Click for eBay Value |
| C25 |
| 6c | 11x10½ | Twin-motored Transport Plane | carmine | 6/25/1941 |  |  |  |
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| C25a |
| 6c | 11 x 10½ | Twin Motored Transport Plane | carmine | 3/18/1943 | | | |
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| C26 |
| 8c | 11x10½ | Twin-motored Transport Plane | olive green | 3/21/1944 | | | |
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| C27 |
| 10c | 11 x 10½ | Twin-motored Transport Plane | violet | 8/15/1941 | | | |
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| C28 |
| 15c | 11 x 10½ | Twin-motored Transport Plane | brown carmine | 8/19/1941 | | | |
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| C29 |
| 20c | 11 x 10½ | Twin-motored Transport Plane | bright green | 8/27/1941 | | | |
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| C30 |
| 30c | 11 x 10½ | Twin-motored Transport Plane | blue | 9/25/1941 | | | |
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| C31 |
| 50c | 11 x 10½ | Twin-motored Transport Plane | orange | 10/29/1941 | | | |
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| C45 |
| 6c | 11x10½ | Wilbur and Orville Wright and their plane | Magenta | 12/17/1949 | | | |
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| C6 |
| 24c | 11 | De Havilland Plane | carmine | 8/21/1923 | | | |
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