| This is the best place to land (day signal). | vertical motion of a white flag or of the arms
firing of green star signal
code letter K -.- |
| This is the best place to land (night signal). | vertical motion of a white light or flare
firing of green star signal
code letter K -.- |
| Landing here is highly dangerous (day signal). | horizontal motion of a white flag or arms
firing red star
code letter S ... |
| Landing here is highly dangerous (night signal). | horizontal motion of white light or flare
firing red star
code letter S ... |
| Landing here is highly dangerous. A more favorable location for landing is in the direction indicated.
(day signal) | 1. horizontal motion of a white flag
2. placing of white flag in ground
3. walking with another white flag in direction to be indicated
1. firing of red star
2. firing of white star in direction to be indicated
S ... R .-.
S ... L .-.. |
| Landing here is highly dangerous. A more favorable location for landing ins in the direction indicated. (night signal) | 1. horizontal motion of a white flare or light
2. placing of white light or flare in ground
3. walking with another white flare or light in direction to be indicated
1. firing of red star
2. firing of white star in direction to be indicated
S ... R .-.
S ... L .-.. |
| Affirmative rocket line is held - tail block is made fast -hawser is made fast - man is in the breeches buoy - haul away | vertical motion of arms (day signal)
vertical motion of white light or flares (night signal)
firing of a green star signal |
| negative slack away - avast hauling | horizontal motion of a white flag or arms
horizontal of a white light or flare
firing a red star signal |
| combined light and sound signal (thunder-light) consisting of 3 single signals which are fired at intervals of approximately one minute (day signal). | You are seen - assistance will be given as soon as possible |
| white star rocket consisting of 3 single signals which are fired at intervals of approximately one minute (night signal). | You are seen - assistance will be given as soon as possible |
| The aircraft is directing a vessel towards an aircraft or vessel in distress. | 1. aircraft circles the vessel at least once
2. rocks the wings crossing the bow
3. head in direction in which the vessel is to be directed |
| The assistance of the vessel is no longer required. | cross the vessel's wake close astern at low altitude while rocking the wings. |
| vessel acknowledges receipt of aircraft's signal. | hoist "code and answering pennant"
change of heading to required direction
flash "T" by signal lamp |
| inability of vessel to comply to aircraft SAR response. | hoist "November"
flash morse "N" on signal lamp |
| surface-to-air visual signals | V - i require assistance
X - require medical assistance
N - no/negative
Y - yes/affirmative
arrow - proceed in this direction |
| message understood | drop a message
rock the wings
flash the landing lights or nav lights
flash T or R by light |
| message not understood | fly straight and level without rocking wings
flash morse code signal RPT by light |
| the aircraft wishes to inform or instruct survivors | -drop a message
- drop communication equipment suitable for establishing direct contact |
| dropped message is understood by the survivors | "T" or "R" by light |
| dropped message is not understood by survivors | flash morse code signal "RPT" by light |
