Good Plan Gone Awry

Time to check Off-Route Obstruction Clearance Altitudes. These start at 3400 to 4000 feet then quickly get up to 6000. The terrain continues to rise towards 8000 feet past Scottsbluff. Uh, were not in Minnesota anymore. OROCAs, as defined by the Instrument Procedures Handbook, are for situational awareness and emergency use. While OROCAs provide standard obstacle clearance margins (1000 feet in non-mountainous areas), you cant count on them. You decide its safest to file for 8000 feet.

Elaine Kauh

Tuesday, September 03, 2019 at 12:00 AM ET

Verified

Key Takeaways:

Even a seemingly routine flight can quickly become complex due to unexpected factors like active military airspace, rising terrain, and actual icing conditions, requiring constant in-flight adjustments.
The pilot had to make critical, real-time decisions, such as climbing to higher altitudes without oxygen due to unexpected icing, underscoring the importance of adaptability and prioritizing safety over initial flight plans.
The experience highlighted the significant mental strain caused by in-flight changes and the crucial need to thoroughly prepare for and brief all contingencies, including potential diversions, for both the pilot and passengers.

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Changing a route in flight happens every day. Just request a new fix or airport with Center and briefly give the reason, right? But if you’re already busy navigating through unfamiliar territory, that extra workload can be difficult. And if you’ve made promises to passengers, adjusting on the fly could result in mental overload, if you let it.

Gotta Go Higher

You’re flying two friends from St. Cloud, MN (KSTC) to Scottsbluff, NE (KBFF) but anything west of South Dakota is new for you and your four-seat single. First step: Plot the direct route. KBFF is 469 NM southwest. Headwinds are likely, so figure on over three hours. This is still non-stop with adequate reserves.