414 Epic E1000 N98FK Crash at Steamboat Springs: LNAV+V Advisory Glidepath Trap

414 Epic E1000 N98FK Crash at Steamboat Springs: LNAV+V Advisory Glidepath Trap

Author: Max Trescott | Aviation News Talk Network February 18, 2026 Duration: 39:55

An Epic E1000, N98FK, crashed near Steamboat Springs, Colorado during a night RNAV (GPS) approach. The lateral track was almost perfect, but the vertical profile was fatal: the airplane remained on an LNAV+V "advisory glide slope" and descended below the 9,100-foot MDA into terrain.

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Max explains what Garmin calls Advisory Vertical Guidance, why LNAV+V can look nearly identical to an LPV on the PFD, and why it does not provide obstacle protection below minimums. He shows the airplane crossed the FAF MABKY and stepdown fix WDCHK essentially on altitude—then continued descending instead of leveling at MDA.

Max reviews the three requirements in 91.175(c) for descending below an MDA, explains why many autopilots will fly any coupled glidepath right through minimums unless you intervene, and decodes chart warnings like "Visual Segment – Obstacles" / "34:1 is not clear." He also shares his own simulator experience flying the RNAV (GPS) Z RWY 32 at KSBS and hitting the same mountain when the autopilot was coupled to the advisory glidepath.

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There’s always something new happening above the clouds, and Aviation News Talk-Pilot Stories, Safety Tips & General Aviation News is where those stories come together. Host Max Trescott, with four decades of experience flying general aviation aircraft, doesn’t just report the news-he breaks it down from a pilot’s perspective. This podcast serves as a regular hangar session, blending the latest updates with practical knowledge you can use. You’ll hear detailed technical discussions on systems like the G1000 and Perspective glass cockpits, learn the intricacies of flying GPS approaches, and get safety tips that are relevant whether you’re just starting out or have thousands of hours in your logbook. As an active flight instructor and a Platinum Cirrus CSIP, Max brings his daily experiences straight from the cockpit to each episode. He regularly answers listener questions and hosts interviews that delve into the real-world challenges and joys of flying. The conversation is grounded in a deep commitment to safety and education, aiming to help both current and future pilots navigate the skies with greater confidence. Tune in for a straightforward, informative take on general aviation that feels like getting advice from a trusted mentor. Each episode of this podcast is built on a foundation of real-world experience, designed to inform and engage anyone with a passion for flight.
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