When to Abort a Takeoff: The 50/70 Rule
A general rule for GA aircraft is if you haven’t reached 70% of your takeoff speed by the time you’ve reached 50% of the length of the runway, you should abort your takeoff.
Why do you need 70% of your takeoff speed by 50% of the runway? As you accelerate down the runway during takeoff, you start chewing up more feet of runway for every second you’re rolling down the pavement. If you haven’t achieved 70% of your takeoff speed by the time you’re halfway down the runway, you may not have enough pavement left to get to rotation speed and lift off.
The 1 in 60 Course Correction Rule
The 1 in 60 rule states that if you’re off course by 1NM after 60 miles flown, you have a 1 degree tracking error. Time to correct…
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