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The ornamental design for a convertible amphibious airplane, as shown and described. |
FIG. 1 is a top plan view of a convertible amphibious airplane showing my new design with the landing gear in retracted position;
FIG. 2 is a front elevation view thereof, with the landing gear down and the boat-type hull and wing tip floats shown in exploded condition;
FIG. 3 is a side elevation view thereof with the landing gear down, it being understood that the opposite side is a mirror image of that shown;
FIG. 4 is a side elevation view thereof with the boat-type hull and wing tip floats removed;
FIG. 5 is a rear elevation view thereof;
FIG. 6 is a front elevation view thereof with the wings in folded condition and the landing gear down and the boat-type hull removed;
FIG. 7 is a top plan view of FIG. 6;
FIG. 8 is a side elevation view of FIG. 6 with the boat-type hull in place;
FIG. 9 is a side elevation view of one of the wing tip floats shown separately for clarity of illustration;
FIG. 10 is a side elevation view of the boat-type hull shown separately for clarity of illustration.
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