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WAAS or GPS Failures when Flying RNAV Approaches
IFR pilots usually do not expect a WAAS or GPS failure while flying IFR let alone on an RNAV APP, what happens next?
Date and Time:
Wednesday, December 2, 2020, starting at 19:00 Pacific Standard Time (20:00 MST; 21:00 CST; 22:00 EST; 17:00 HST; 18:00 AKST; 20:00 Arizona; Thursday, December 3, 2020 03:00 GMT)
Brian Eliot
Brief Description:

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 to do 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.



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NOTE FOR WINGS CREDIT: Please watch till the end to receive a "code phrase" that the presenter will state. After the seminar is over email please click the button at the bottom of the Livestream page saying "Click here for WINGS credit" and we will process your request within a few days.

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Registration Information:
Seminar has passed.
Sponsoring Division:
Contact Information:
Phone: 650-483-0715
Additional Event Information & Acknowledgement of Industry Sponsor(s):

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.

Credit Applicability:
½ Credit for Basic Knowledge Topic 3
Advanced WINGS
½ Credit for Advanced Knowledge Topic 2
FAASTeam Project Information:
NPP30 flight School meeting
National Project:
Flight School Meeting
Additional Event Documents: