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A famous incident involving a passenger plane that strayed from its INS guided flight path was the shootdown by the Soviets of [[Korean Airlines Flight 007]] - shot down west of Sakhalin Island in 1983. Either the pilots had failed to switch from [[Magnetic Heading]] to INS, or did so but out of the maximum range of 7 1/2 Nautical Miles from the "desired track". This mistake may have lead to the shootdown itself.<ref>http://www.rescue007.org/faq.htm#3</ref> It was due to KAL 007's deviation from its route while using INS that President Reagan authorized GPS to be used for non-military navigational purposes.

A famous incident involving a passenger plane that strayed from its INS guided flight path was the shootdown by the Soviets of [[Korean Airlines Flight 007]] - shot down west of Sakhalin Island in 1983. Either the pilots had failed to switch from [[Magnetic Heading]] to INS, or did so but out of the maximum range of 7 1/2 Nautical Miles from the "desired track". This mistake may have lead to the shootdown itself.<ref>http://www.rescue007.org/faq.htm#3</ref> It was due to KAL 007's deviation from its route while using INS that President Reagan authorized GPS to be used for non-military navigational purposes.

==References==

==References==

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[[Category:Navigation]]

[[Category:Navigation]]