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12 Cards in this Set
- Front
- Back
What is the Target Motion Analysis(TMA) formula for determining target course?
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Reciprocal of target brg minus angle ont the bow(R-Ab)
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What is the primamry objective of establishing a target's brg. rate?
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to calculate the targets c/s and spd.
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what is the foundation of all TMA plots and solutions?
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Time BRG Plot
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when was the highest brg drift rate of a passive target observed?
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At targets CPA
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Assuming own ships c/s and spd are steady, wha does a radical increase or decrease in passive target brg drift signify?
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Target c/s , spd change
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what TMA plot uses matches target assumed spd using spd strips to plotted faired brg to solve for target c/s and rng?
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Strip plot
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Assuming own ship c/s and spd are steady, what does a change in the direction of a passive targets brg drift mean?
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Target c/s change
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what is used to denote a dead-in-the-water(DIW)contact on the geographic plot?
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a 500 yd radius circle centered on the contact.
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How is an engaged hostile surface track indicated in NDTS?
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a horizontal bar across the middle of a full diamond symbol.
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How is a hostile air contact, which is assigned to an interceptor displayed in NTDS?
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Upper half diamond with half horizontal bar across bottom of the symbol
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what symbology denotes a neutral track in NTDS-A?
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A green cross
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What is the miniumum # of plots needed to obtain an initial c/s and spd.?
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3 plots normally two min.
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