AUXILIARY AVIATION TRAINING MANUAL(112)

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EXAMPLE:  Airspeed is 120 knots, object raft – 1- to 4-man, correction factor is 0.9.
Uncorrected Sweep Width X 0.9 factor = correction to 90% of nominal sweep width value 
 

 
Table 11-2 Uncorrected Visual Sweep Width
 
Fixed-Wing Searching For
 Altitude 300 (FT) Visibility (NM)
 Altitude 500 (FT) Visibility (NM)
 
1
 3
 5
 10
 15
 20
 30
 1
 3
 5
 10
 15
 20
 30
 
Person in water
 0.1
 0.1
 0.1
 0.1
 0.1
 0.1
 0.1
 0.0
 0.1
 0.1
 0.1
 0.1
 0.1
 0.1
 
Raft 1 person
 0.3
 0.7
 0.9
 1.2
 1.3
 1.3
 1.3
 0.3
 0.7
 0.9
 1.2
 1.4
 1.4
 1.4
 
Raft 4 person
 0.4
 0.9
 1.3
 1.7
 2.0
 2.2
 2.2
 0.4
 1.0
 1.3
 1.8
 2.0
 2.2
 2.2
 
Raft 6 person
 0.4
 1.1
 1.5
 2.1
 2.5
 2.7
 2.7
 0.4
 1.1
 1.5
 2.2
 2.5
 2.8
 2.8
 
Raft 8 person
 0.4
 1.2
 1.6
 2.3
 2.6
 2.9
 2.9
 0.4
 1.2
 1.6
 2.3
 2.7
 2.9
 2.9
 
Raft 10 person
 0.4
 1.2
 1.7
 2.4
 2.9
 3.2
 3.2
 0.4
 1.2
 1.7
 2.5
 2.9
 3.2
 3.2
 
Raft 15 person
 0.5
 1.3
 1.9
 2.7
 3.2
 3.5
 4.0
 0.5
 1.3
 1.9
 2.7
 3.3
 3.6
 4.0
 
Raft 20 person
 0.5
 1.4
 2.1
 3.1
 3.7
 4.2
 4.8
 0.5
 1.5
 2.1
 3.2
 3.8
 4.2
 4.8
 
Raft 25 person
 0.5
 1.5
 2.2
 3.4
　
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