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1 sty 2024 · The 1-2-3 rule refers to when an alternate airport is required when planning an IFR flight. If all three parameters are met, then an alternate is not required, but it is always a good idea. 1 hour before to 1 hour after the ETA. 2,000 foot ceiling or greater. 3 statute miles visibility minimum.
How do you decide if you need to file an alternate airport under Part 91 IFR? Which airport you decide as an alternate depends on a number of things. The wea...
28 lip 2014 · If the destination has an FAA-approved instrument approach and the weather between an hour before and after the ETA is at least a 2000-foot ceiling and three statute miles visibility, no alternate is required. This is the ol’ 1-2-3 rule. There are a couple of gotchas.
28 sie 2006 · To help remember those conditions, you can use the 1-2-3 rule. 1 - During the time 1 hour before to 1 hour after the estimated arrival time. 2 - Ceiling less than 2 ,000 feet. 3 - Visibility less than 3 miles. If the above conditions exist, an alternate airport must be filed.
Check out study flow charts (free PDF files on my website) to help you understand the regulations covered in this video: https://www.theaviationvault.com/ser...
12 wrz 2019 · Depends on your alternate minimums and how you derive alternate minimums (either the published mins on the charts or deriving based on 1-nav/2-nav). Best case scenario is your alternate mins are 400ft and 1sm if you have 2 good ILS approaches and allowed to use the 2-navaid rule.
In this comprehensive guide, we’ll explore the fundamental principles, procedures, and benefits of flying under Instrument Flight Rules, providing pilots with the knowledge and skills they need to navigate the skies with precision and confidence.
