These are typically turned on during the entire flight from when the aircraft reaches the runway (they are typically too bright to be used before the runway). 14 CFR 91.209(b) says that if an ...

The report says the JAL jetliner apparently did not notice the Coast Guard aircraft on the runway because its white anti-collision lights looked similar to the lights set up on the runway.

Experts who study unmanned aircraft systems ... all have flashing lights and typically at least one red anti-collision light, often two. They also sport navigation lights, which are steady ...

Experts who study unmanned aircraft systems — better known ... have flashing lights and typically at least one red anti-collision light, often two. They also sport navigation lights, which ...