попередження про небезпеку; знак небезпеки
Notice to Airmen (NOTAM); Notice to Air Missions / Notice to Air Men
notice to move (NTM)
broadcast notice to mariners
field notice to airmen is сurrent
Local Notice to Mariners
Notice to Mariners
no-notice exercise
no-notice readiness evaluation
no-notice service practice
potential danger area (trouble area)
zone of increased military danger
danger close
Danger Close method of engagement
Surface Danger Zone (SDZ)
danger circle
danger space
danger warning
warn danger
eliminate danger
eliminate danger source
incur danger
source of danger
gas danger
isolated danger mark
linear danger area (LDA)
open area danger area
surface danger area
danger flag
danger level
danger range
danger zone
danger area