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WAAS or GPS Failures when Flying RNAV Approaches

December 2, 2020 @ 7:00 pm - 8:30 pm

Due to the COVID-19 public health crisis, this seminar will only be available for online viewing. IN-PERSON ATTENDANCE WILL NOT BE PERMITTED.**

Click here to learn more about online viewing.

Instrument approaches have evolved greatly over the years.  From the old VOR/DME approaches to ILS, and RNAV GPS approaches. With each new type of approach came more precision. GPS and WAAS-based instrument approaches have changed the way we fly. These approaches are very precise and have decreased our reliance on ground-based navigation facilities.  But what happens if they fail?

San Carlos Flight Center invites Assistant Chief Pilot Brian Eliot to discuss what to do when you are flying an RNAV approach, and encounter an RNAV or WAAS failure. These RNAV approaches are easier to fly and more precise than the traditional approaches. With WAAS and GPS services available 99.99% of the time, it is hard to think about what would happen if they were to fail. Sometimes failures do happen, and it is crucial that we know how to handle them.

Join us, as Brian discusses what to do and how to train for these rare occurrences. You will then be prepared to handle this outage like a pro.


Brian Eliot is San Carlos Flight Center’s Assistant Chief Pilot and resident expert for IFR training and Garmin G1000 avionics. He has been flying since 1995 and received all his training in the Bay Area. Brian previously worked as a broadcast engineer, a software developer, and taught computer science at both the undergraduate and graduate levels. He regularly presents at San Carlos Flight Center safety seminars and has a reputation for making complex concepts easy to learn and understand.

San Carlos Flight Center (SCFC) is the SF Bay Area’s most dynamic flying club, committed to building general aviation through safety, community, and adventure. AOPA has consistently recognized SCFC in their Best Flight School survey, most recently in 2019 as a Distinguished Flight School.

SCFC is committed to promoting safety in general aviation through our regular safety seminars and guest speaker programs. Space is often limited so it is important to sign up early. SCFC members may choose to watch the seminar live over the web at home, or recorded at a later date. Click here or contact a SCFC member service rep at (650) 946-1700 for more information about online access.


December 2, 2020
7:00 pm - 8:30 pm
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San Carlos Flight Center
(650) 946-1700
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