Variants of a mold are catalogued separately, so each one has its own sets and minifigs. Check these too if something you expect is missing here.

• 18721pr0001 Duplo Airplane Midsize Fuselage Upper with Tail with Airplane Circling Globe this part is a alternate of it
• 18721 Duplo Airplane Midsize Fuselage Upper with Tail [Plain] this part is a print of it