Mark IV Aircraft Float Light

The float light was a smoke-producing flare designed to be dropped by an aircraft over open water for drift sighting during the day or night. This type would have been used from the late 1930s through World War II.

Caption:
It was lighter than most drift sights, but required more work to use.
Type: Artifact
Image Date: 2012
Credit: National Air and Space Museum, Smithsonian Institution
Origin: National Air and Space Museum, Smithsonian Institution
Creator: Eric Long
NASM2012-02145
Innovations
Navigation Methods
 
It was lighter than most drift sights, but required more work to use.