Page:Iran Air Flight 655 investigation.djvu/50

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  (IO Exhibits 91, 176).

(4) Alert Doctrine

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(a) (S) ARC Air Warning 1 — will give an alert for inbound air tracks at ranges from 45 to 55 miles and altitudes 0 to 90,000 feet. (IO Exhibit 176).

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(b) (S) ARC Air Warning 2 — will give an alert for inbound air tracks at ranges from 15 to 30 miles. (IO Exhibit 176).

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(c) (S) SSWC Surface Warning 1 — will give an alert for an inbound surface track at a range of 15 to 25 miles with a predicted closest point of approach of 0 to 4 miles. (IO Exhibit 176).

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(d) (S) SSWC Surface Warning 2 — will give an alert for an inbound surface track at a range of 5 to 15 miles with a predicted closest point of approach of 0 to 2 miles. (IO Exhibit 176).

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(e) (S) No target tripped the Alert Doctrine during the engagement period. (IO Exhibit 91).

(5) Drop Track Doctrine Activated

(a) ( )
  (IO Exhibit 176).
(b) ( )
  (IO Exhibit 176).

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(6) (S) SPY-1 Doctrine

Search Elevation = 0-16 deg
Power = high 261-097 deg
= low 097-261 deg
Sensitivity = auto
Manual MTI = 0-64 NM
Freq Mode = fixed
Low Elevation MTI TRK (Ducting) = off
Auto Roll In = off
Cover Pulse Detection Blanking = on

(IO Exhibit 91, 176).

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