@SFOMuseum Twitter Posts Tagged PSA This is SFO Museum's archive of the @SFOMuseum Twitter account. There are 3 posts . See all the tags or all the Twitter posts that have been archived so far.

Our online database contains a selection of ticket jackets from our collection, such as this gem from #PSA. Do you have any #ticketjackets? https://t.co/jfdaDMPlQY This tweet was posted on July 22, 2018.

The regional airline #PSA (Pacific Southwest Airlines), based in San Diego, purchased three #Lockheed L-188 #Electra, which proved ideal for the carrier’s West Coast routes. #AviationEvolutions This tweet was posted on July 11, 2018.

#Onthisday in 1988, the last branded #PSA (Pacific Southwest Airlines) flight departed San Diego and landed in Las Vegas as a #USAir flight. What is your favorite PSA memory? #avgeek This tweet was posted on April 08, 2018.