Rule of 5’s in a Nutshell!
Proceed direct to the 264 radial 27 DME fix and hold. Oh, and your GPS is OTS!!! You’re currently at the 255/24.
Follow AFM 11-217 for the Fix to Fix procedures. We can use the rule of 5’s as a technique to shack our fix.
Turn Right to Shack! Place
the 3 under the lubber line.
Divide your desired fix’s DME by 5. This becomes
your scale. Ex: 27/5 = 5 Place the scale on the top
half of the displaced course indicator.
Determine how far till you reach your fix. Desired
Fix-Current Position Ex: 27-24 = 3
Turn to place the desired distance to travel under
the upper lubber line. As the course comes across
and you approach the fix the scale should correct
itself. I.E. 2nm from the fix the 2 should be under the
lubber line, 1nm…etc., until you are at your fix and
the course is centered.
Correct your heading according to your distance
from the fix and the scale on the course deviation
indicator until you shack the fix. Winds or allowing
your heading to drift will cause you to have to
reevaluate your heading. Continually updating your
heading according to your distance and the course
will assure you shack it every time.
•Ensure you have the desired course or radial
based on your position dialed into the course
•This technique will generally work once the
course is alive or w/n approx 10nm.
•Only use the top half of the deviation bar. 0 is
at the bottom where the deviation circles are