BY ORDER OF THE SECRETARY OF THE AIR FORCE AIR FORCE ...

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AFMAN 11-217V1 3 JANUARY 2005
and techniques are not compatible with precision approach criteria, and under normal
circumstances, should not be attempted. Since the MAP associated with the precision
approach is determined by the pilot in terms of a DH and not a specific point along the
final approach course, it becomes difficult to ascertain when to discontinue the approach
if visual conditions are not encountered. Therefore, pilots should not plan to circle from
a precision approach.
15.6.1.1. Circling from RNAV/GPS Approaches. Circling may be accomplished
from an RNAV (GPS) approach if circling minimums are published. However,
depending on the type of circling maneuver required, following RNAV (GPS) vertical
guidance to the circling MDA may result in visually acquiring the airport
environment too late to accomplish a safe circling maneuver. Pilots must ensure they
remain within the required obstacle clearance radius and maintain situational
awareness, especially in reduced visibility. In reduced visibility, pilots must maintain
situational awareness and insure they remain within the required obstacle clearance
radius. If there is any doubt as to maintaining required distance, or a loss of
situational awareness, accomplish the missed approach and request an alternate
approach.
15.6.2. Instructions. If the controller has a requirement to specify the direction of the
circling maneuver in relation to the airport or runway, the controller will issue
instructions in the following manner: “Circle (direction given as one of eight cardinal
compass points) of the airport/runway for a right/left base/downwind to runway
(number).” For example, “Circle west of the airport for a right base to runway one
eight.”
15.6.2.1. NOTE: Obstruction clearance areas are determined by aircraft category.
Maneuver the aircraft to remain within the circling area for your aircraft category (see
AFMAN 11-217 Volume 3, Supplemental Information for radii of circling
approaches). If it is necessary to maneuver at speeds in excess of the upper limit of
the speed range authorized for your aircraft’s category, use the landing minima for the
category appropriate to the maneuvering speed. When you request circling MDA
from the controller for a circling ASR approach, state your aircraft category.