retraction is normally only complete at 300ft
Now that's an interesting one. Perhaps you can PM me with details for an off line discussion ?
One needs to keep in mind that first segment (and all the segments) is relevant OEI only. As a general rule, we ensure that the AEO profile is above the OEI profile and all's well.
"positive climb" is 0.1% and the runway is sloping up at 0.2%, you cannot get airborne.
Probably not quite that problematic but it's good to see your operator is mindful of the consideration