91-48 .
DATE:
e/29/77
ADVISORY
CIRCULAR
DEPARTMENT DF TRANSPORTATION
FEDERAL AVIATION ADMINISTRATION
SUBJECT:
ACROBATICS -
PRECISION FLYING WITH A PURPOSE
1. PURPOSE. This advisory circular provides information to persons
who are interested in acrobatics to improve their piloting skills as
recreation, sport,
or as a competitive activity. It also discusses
Federal Aviation Regulations (FAR) pertaining to acrobatic aircraft
airworthiness. considerations,
acrobatic instruction, operations,
and acrobatic flight safety.
2 . BACKGROUND.
‘a. The Federal Aviation Administration (FAA), in cooperation with
various industry groups,
has written this advisory circular in response
to the growing national interest in acrobatic flight activi.ties.
This
increasing interest is attributable to several factors, not the least of
which are the promotion of this sport by various industry organizations,
the availability of more aircraft built for this purpose, and the
’
recognized value of acrobatics in pilot training.
b. Presently, there are no airmen certificates which require the
performance of **pure” acrobatic maneuvers during the flight test other
than the spin requirement for airplane flight instructor applicants.
Therefore, the FAA has not been involved in establishing criteria for
the performance of acrobatic maneuvers or the certification of flight
instructors to teach acrobatics. In addition, the FAA does not
contemplate the development of such requirements in the near future.
3
0
DEFINITION.
a. FAR Section 91.71 defines Qcrobatic flight” as wan intentional
maneuver involving an abrupt change in an aircraft’s attitude, an
abnormal attitude, or abnormal acceleration, not necessary for normal
fljght.” In addition, Section 91.15(c) indirectly refers to acrobatic
Initiated by: MS-820
Downloaded from http://www.everyspec.com
