Testing new or remanufactured systems is deemed acceptable if conducted in a low-risk environment with a safety net, such as turning circles over an airport for engine burn-in.
Due to Brexit and a lack of agreement with the EU on using EGNOS (SBAS), LPV minimums have been withdrawn from UK approach charts.
A Hold in Lieu of Procedure Turn (HILPT) can be logged to fulfill the instrument currency requirement for practicing a hold.
Altimeter agreement requirements are significantly more stringent for Part 121 commercial operations, with specific in-flight and on-ground difference limits, compared to Part 91 general aviation.
I read with interest your “Go? Or No-Go?” Remarks in the September 2022 issue, where you analyzed that choice in light of a failed aux-tank fuel pump, without which you could complete your trip. If you can test the system, as you’re doing, without solely relying on it in such a way that you always have safer harbor, it’s a go.
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