I photographed these Waco UPF-7 examples during various air shows and museums.

Second letter “P” indicates open type from 1936 on
Third letter “F” indicates Tandem cockpit 2- or 3-place open model

The complex WACO naming structure can be found at this link.

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Waco UPF-7 #5532

Pima Air Museum 2017

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Waco UPF-7

Paine Field 2016

HFF, Paine Field 2019

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1942 Waco UPF-7 #5871

Paine Field 2012

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1941 Waco UPF-7 #5540

Museum of Flight 2008

Paine Field 2012

Paine Field 2013

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1941 Waco UPF-7 #5712

WAAAM, Hood River 2021

WAAAM, Hood River 2023

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1940 Waco UPF-7 #5499

Oshkosh 2024

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1941 Waco UPF-7 #5631

Oshkosh 2024

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1941 Waco UPF-7 #5553

Oshkosh 2024

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Waco UPF-7 #5506

Oshkosh 2024