Originally Posted by
scifi
Hi Ralphy, Its all a matter of split second timing... If you are waiting at a holding point before entering the runway, you must give way to airplanes who are on Final. Then enter the runway after they pass your location.
Once you are on the runway, you have the right of way, and further aircraft wanting to land must wait for you to depart, as two aircraft are not allowed on one runway together.
It can get a bit hectic at times on a busy GA airfield, with planes landing a few seconds after the other has lifted off.
The only time two or more aircraft are allowed on one runway, is when they are taxiing, and this is best done by agreeing their intentions on the radio first.
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I can't see how you came up with that interpretation of a relatively simple and straightforward regulation. The aircraft on final has the right of way. If an aircraft on final has to maneuver (go around, make s-turns, etc.) to avoid a departing aircraft, the pilot of the departing aircraft violated the regulation. This hold true even if the aircraft turns final after the departing aircraft enters the runway. There is no regulation that gives departing aircraft the right of way.
Let's look at it from the perspective of safety. The aircraft holding short could sit there for an hour with no increased risk. On the other hand, forcing an arriving aircraft to go around might result in a collision between the arriving and departing aircraft, exacerbate a crowded traffic pattern, or result in the arriving aircraft to run out of fuel (not likely, but under the 'wrong' circumstances, it could happen).