Originally Posted by
The Ancient Geek
This boils down to how much runway should be behind the touchdown point. When I were a lad, many moons ago, there were no piano keys and we were taught to aim for the numbers. The piano keys were introduced to reduce the incidence of landing short of the paved surface, thus "wasting" part of the runway. All modern aids such as ILS and PAPI are calibrated for the piano keys so the actual landing distance available is less than the runway length which can become an issue for shorter runways in poor weather conditions.
Should we aim shorter for the numbers in these cases ? - I will leave that can of worms for others to chew, the risks have not changed.
Aiming for a firm contact, avoiding greasers, is probably a better idea getting good weight on the wheels ASAP to improve braking.
Are you calling the 1000 foot markers the piano keys?