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3 Answers

Unmonitored ILS at uncontrolled airport.

Asked by: 1143 views Commercial Pilot, FAA Regulations, General Aviation, Instrument Rating

If there is a ILS approach at uncontrolled airport, and unmonitored is there any limitation on pilots flying into the airport using ILS?


3 Answers

  1. Best Answer

    John D Collins on Nov 17, 2016

    There are no limitations to fly into an airport with an unmonitored ILS, but the ILS can’t qualify to be used as an alternate if one is needed. For example, at my airport (KUZA) we have an ILS and two RNAV approaches. The airport is untowered and the ILS is not monitored. If you don’t have the ability to fly the RNAV approaches, the ILS is marked alternate Not Authorized on the approach chart. You can fly to KUZA and fly the ILS, but since it is not monitored, you won’t necessarily be notified the ILS is out of service as it is not monitored.

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  2. connor on Nov 17, 2016

    Thank you sir,

    May I know if it comes from one of the FAA Order ?


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  3. John D Collins on Nov 18, 2016

    See order 8260.19G, 2-4-5 and 2-4-6. It describes the requirement for monitoring and Cat 3 facilities:

    c. Category 3 facilities may be used in accordance with the following limitations:
    (1) Alternate minimums must not be authorized if facility provides final approach course (FAC) guidance; is required for procedure entry; is used to define the final approach fix (FAF); or is used to provide missed approach guidance

    There is nothing that prohibits flying the ILS or approach if it is not monitored. The regulations are silent on the topic. So in our system, if it isn’t specifically prohibited, it is permitted.

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