Meteorological Visibility (NM)
Wind Speed (knots)
Sea Height (meters)
Boat search speed (knots)
Aircraft search speed (knots)
Person in Water
Raft 1 person
Raft 4 person
Raft 6 person
Raft 8 person
Raft 10 person
Raft 15 person
Raft 20 person
Raft 25 person
Power Boat ≤ 15ft
Power Boat 20ft
Power Boat 33ft
Power Boat 53ft
Power Boat 78ft
Sail Boat 15ft
Sail Boat 20ft
Sail Boat 25ft
Sail Boat 30ft
Sail Boat 40ft
Sail Boat 50ft
Sail Boat 70ft
Sail Boat 83ft
Ship 120ft
Ship 225ft
Ship ≥ 300ft
Fatigue
Asset Type:
Boat
Boat
Aircraft
Aircraft
Height of Eye:
8ft
14ft
500ft
1000ft
Uncorrected Sweep Width (Wu) `NM`
0.3
0.5
0.1
0.1
Speed Correction Factor (Sc)
1
1
1.2
1.2
Weather Corrected Factor (Fw)
1
1
1
1
Sweep Width (W) (Wu x Sc x Fw)
0.3
0.5
0.12
0.12
Fatigue Factor (Ff)
1
1
1
1
Corrected Sweep Width (W X Ff)
0.3
0.5
0.12
0.12
Practical Track Spacing `NM`
Search Area
Search Hours (T) Total
Infinity
Infinity
Infinity
Infinity
Available Search Hours
Modified Area at Practical Spacing in Available Hours
0
0
0
0
Track Spacing for Whole Area in Available Time
Infinity
Infinity
Infinity
Infinity