Signal Flags DELTA & X-RAY
D – DELTA
The signal flag DELTA, marked by a white background and a navy blue horizontal stripe through the center, sends the message to surrounding vessels to “Keep clear, I am having difficulty maneuvering.”
X – XRAY
The signal flag X- XRAY, marked by a white canton and a navy blue plus symbol that reaches the fours edges of the flag. X relays the message to “Stop what you are doing, await further instruction and watch for my signals”.
D and X displayed together relay a distress signal that the boat is sinking.
This exhibit is made possible by visitors like you. Please consider making a donation to the National Museum of the Great Lakes to help us continue our important work of preserving and making know the history of the Great Lakes.
