I photographed these Travel Air D-4-D examples in Oshkosh and the Udvar-Hazy

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1929 Travel Air D-4-D #1340

Udvar-Hazy VA 2026

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1929 Travel Air D-4-D #1362

Oshkosh 2025

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1930 Travel Air D-4-D #1391

Oshkosh 2025