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3 Answers

Exceptions in Basic VFR Weather Minimums

Asked by: 3087 views , , ,
Airspace, FAA Regulations, Weather

The part 91 regulation regarding Basic VFR weather minimums in Class G airspace states (in the FAR 91.155 chart):

For aircraft other than helicopters:

Day, except as provided in 91.155(b): 1 statute mile and clear of clouds.

When I refer to 91.155 (b) I don't see any exceptions pertaining to airplanes operating in Class G airspace during the day.  The exception noted for airplanes only pertains to night time.

Perhaps I'm misreading this . . . any thoughts?

 

 

 

 

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3 Answers



  1. MarkO on May 06, 2017

    That is relief from the 1 or 3 sm for helicopters.

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  2. R. Anderson on May 06, 2017

    Thanks MarkO, but the chart shown under 91.155 says:

    For aircraft other than helicopters:

    Day, except as provided in 91.155(b)
    Night, except as provided in 91.155(b)

    In other words, the “Day” referred to above applying to airplanes has no change in requirement to warrant an “exception” when you look at the language of 91.155(b).

    Helicopters have an “exception” at night on a separate line in the chart and are covered under 91.155 9b) (1).

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  3. MarkO on May 06, 2017

    You are correct. The reg did not used to read that way and needed the exception for the helicopters when they did not need the 1sm vis during the day. Now they need 1/2sm. Before, they just needed enough to see and avoid. Maybe it was left inadvertently.

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