bsac ai course gozo underwater search techniques a brief odyssey by darin edmunds
TRANSCRIPT
BSAC AI Course GozoBSAC AI Course Gozo
Underwater Search Underwater Search TechniquesTechniques
A brief odyssey by Darin Edmunds
BSAC AI Course GozoBSAC AI Course Gozo
About searching underwater…About searching underwater…WaterWeatherDivers
Swim linesCircularTowedSnag lineJackstayGrid
BottomFlatUndulatingSloping
SizeColourFragility
ITVO?GPS coordsTransits
RopesBoatsFloats
Open WaterShoreSize
• ConditionsConditions• HydrologyHydrology• Search ItemSearch Item• EquipmentEquipment• PositionPosition• AreaArea• TechniquesTechniques
Considerations
The Circular SearchThe Circular Search
BSAC AI Course GozoBSAC AI Course Gozo
Circular Search - SetupCircular Search - Setup• Essential Equipment
Shot line (12-15mm)
Shot Weight (15-25kg)
Buoy (50Kg buoyancy)
• Searches must be 100% Data line/marker
Swim line
Overlapping vision/touch
Techniques
BSAC AI Course GozoBSAC AI Course Gozo
Semi-circular search
Snag method
Adaptations…Adaptations…
BSAC AI Course GozoBSAC AI Course Gozo
Unsuitability……Unsuitability……Non-tidal search area30m radius limit*Not suitable for slopes*
Increasing saw tooth profile
BSAC AI Course GozoBSAC AI Course Gozo
Circular Search… SummaryCircular Search… SummaryTechniques
BSAC AI Course GozoBSAC AI Course Gozo
The EndThe End
Thank you