Vintage U S Air Force Pilots P-4 Flight Helmet. Visual signs of use Please check out the photos in the listing so you can see the item you will be receiving. WHAT YOU SEE ON THE PICTURES IS WHAT YOU WILL RECEIVE. The item "Vintage U S Air Force Pilots P-4 Flight Helmet" is in sale since Friday, January 11, 2019. This item is in the category "Collectibles\Militaria\Militaria (Date Unknown)\Air Force".The seller is "marvega2012" and is located in Phoenix, Arizona. This item can be shipped to United States, Canada, Bahamas.