Alert signal
From Memory Alpha, the free Star Trek reference
| | |
| 
|
| | |
Aboard Starfleet vessels and outposts, a series of color-coded, and also generally named, alert signals are issued, usually by the ship's computer or internal communications systems.
[edit] Colored alerts
- Red alert (condition red) - critical situation - Marked by flashing red warning lights and audio alarms.
- Yellow alert (condition yellow) - elevated alert
- Green alert (condition green) - normal status
- Blue alert (condition blue) - environmental, docking/separation or landing alert
- Grey mode
