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Old 15th August 2025 | 23:15
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Vessbot
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From: USA
737NG LNAV on take off

I noticed that shortly after 50 feet, (that is, after FMA "LNAV" changes from white to green) the light in the LNAV button in the MCP extinguishes for a few seconds and then comes back on (all the while, the FMA LNAV stays green).

Does anybody know why?
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