A320 SEC PERF unavailable
HI all,
As part of my arrival preparation, I'll enter a different runway on the secondary flightplan. At some point, the PERF prompt at R2 on the SEC FPLN page disappears, and I can't change any of the data without copying the active fpln, or rebuilding the secondary. Why does it disappear? When exactly does it disappear? How do I change the data on the SEC PERF pages with the prompt missing? |
When exactly does it disappear? Why does it disappear? How do I change the data on the SEC PERF pages with the prompt missing? |
As explained, perform any DCT-to on the primary and the prompt is gone. Not sure what is the effect of simply overflying the next WPT, the behaviour might be different among various FMC setups.
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You can recover it by sequencing the secondary flight plan. |
You should be able to activate the secondary in heading mode
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Thanks guys. I think goldenrivet may have hit on it. I'll keep an eye out next time I go fly.
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goldenrivet was absolutely right. Checked it today.
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ive also seen how some secondary flight plans loose predictions when on descent mode.
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