Pyrotechnic Accidents Flashcards
Colour ID of each FSS grenade and signal duration ?
- green triangle simulates torpedo firing
- Red Cross emergency surfacing or SUBSUNK/ SUBMISS.
- signal duration grenade burns for 5 seconds
Pyrotechnic stores held onboard ?
- float signal submerged (grenade Mk N3)
- Candle smoke white Mk N6
- Candle smoke yellow Mk N7
- Man overboard marker.
Purpose of pyrotechnic stores ?
- Signal to surface
- Simulate a torpedo attack
- Mark position of a sunken sub
- Indicate emergency surfacing of sub
- Mark position of a MOB
- Send a distress signal whilst on surface
- Search and rescue ops at night or for collision warning
Overall colour of FSS grenades ?
hazard marking ?
location of grenade colour ID?
Overall colour is white
Hazard marking is a brown band
Grenade colour ID is marked on top of the grenade with either triangle (green) or cross (red).
Overall colour of smoke candles ?
Hazard markings ?
What is the signal type ?
Overall colour is green
Hazard marking is a light red band
The signal type is emits white or yellow smoke
Signal duration of candle smoke white and candle smoke yellow ?
Yellow is 6 mins
White is 3 and a half mins
How is a MOB marker used and how long does it last for ?
Thrown over board along with the buoy to indicate the position of a man overboard when a MOB marker is ignited dense orange smoke is emitted for 15-30 mins the smoke is thick and chocking. It also has two lights which last for 1 and a half hours.
Hazards with the lithium battery in the MOB markers ?
If you have a lithium battery accident sulphur dioxide will be released into the atmosphere. It’s recognised by its sharp Taste and smell. It’s a poisonous gas and a respiratory irritant so EBS must be donned immediately.
Para red MK8A rocket ?
What is it and what’s it duration ?
It’s a day or night long range distress signal. Designed to withstand exceptional environmental exposure and to perform reliably after immersion in water.
Ejects a red flare on a parachute at 300m burning for 40 seconds.
Parachute illuminating rocket MK8 ?
What is it and what’s its duration?
Used in search and rescue ops at night or for collision warning.
Designed to withstand exceptional environmental exposure and to perform reliably after immersion in water.
Ejects a white flare at 300m which burns for 30 seconds.
Expendable communications buoy ?
What does it provide ?
And what can be done to it ?
Provides one way line of sight communications between a submerged submarine and aircraft.
They can be preprogrammed with a speech or teletype message and time delay. Deployed via SSE.
