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2 Answers

PA-28R-200 Gear In Transit Light

Asked by: 2737 views Aircraft Systems

Greetings fellow CFI's,
I am having a hard time finding information regaridng the function and significance of the Gear In Transit light for the Piper Arrow (PA-28R-200).   The POH for the Cherokee Arrow II published in 1971 does not specify the significance of the light illuminating other than to mention its existence on page 2-3.  When I initially received training on the aircraft, my instructor told me that the light illuminates as a function of fluctuations in hydraulic pressure, so if the light illuminates when the gear selector is in a static condition, then it is an indication of a hydraulic leak or uncommanded shuttle valve activation.  Any information regarding this indicator would be greatly appreciated, particularly reference material that I can use. 
Many thanks,

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2 Answers

  1. Brian on Aug 22, 2013

    It’s been a while, so I would do your own research on the following numbers. I also flew a much newer version of this machine. That said, what your instructor told you is accurate. The transition light remains lit as soon as the down and locked switch is disengaged. It remains lit until the PSI reaches 1650. The PSI to hold the gear up climbs to, and should remain at, 1800 and the over pressure light illuminates at 2100.

    Again, double check my numbers, but the functionality is as you previously learned it.

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  2. Brian on Aug 22, 2013

    A small correction. 1950 is when the over pressure light comes on. 2100 is when the breaker pops. Again though, check my numbers. You should be able to find this information in the maintenance manuals for your aircraft.

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