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Up until now, I had thought that petal fairings on all Saturn flights had been removed after an incomplete deployment on Apollo 7. But there's a picture of the Skylab 3 mission of the expended S-IVB with SLA panels still attached. My question is, what Saturn IB missions did and didn't have the hinged SLA panels? All Skylabs I assume had them, but what about ASTP, which required LM-like docking?

Skylab 3 picture in question: https://www.nasa.gov/sites/default/files/sl3-114-1625.jpg

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    $\begingroup$ Apollo 7 was the last of the Saturn-1B launches for the Apollo Moon landing program and I want to say that by that time all 1Bs were already built or being built. Since the SLA connects to the IU (which I presume to be different for 1B and V), I'm guessing all 1B SLAs were of the petal-type. But this is speculation, so not an answer. $\endgroup$
    – Ludo
    Sep 7, 2022 at 12:14

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After a bit of digging, I can say all Skylab flights did have the hinged SLA panels, but ASTP, which required extraction of the docking adapter, did not, as seen in this photo of extraction here: https://catalog.archives.gov/id/16626788

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