Section 73.1

14 CFR Ch. I (1-1-19 Edition)

SOURCE: 46 FR 779, Jan. 2, 1981, unless otherwise noted.

Subpart A - General
Section 73.1

Applicability.

Section 73.15

The airspace that is described in subpart B and subpart C of this part is designated as special use airspace. These
parts prescribe the requirements for
the use of that airspace.
Section 73.3

Special use airspace.

(a) Special use airspace consists of
airspace of defined dimensions identified by an area on the surface of the
earth wherein activities must be confined because of their nature, or wherein limitations are imposed upon aircraft operations that are not a part of
those activities, or both.
(b) The vertical limits of special use
airspace are measured by designated
altitude floors and ceilings expressed
as flight levels or as feet above mean
sea level. Unless otherwise specified,
the word  - to -  (an altitude or flight
level) means  - to and including -  (that
altitude or flight level).
(c) The horizontal limits of special
use airspace are measured by boundaries described by geographic coordinates or other appropriate references
that clearly define their perimeter.
(d) The period of time during which a
designation of special use airspace is in
effect is stated in the designation.
Section 73.5

Bearings; radials; miles.

(a) All bearings and radials in this
part are true from point of origin.
(b) Unless otherwise specified, all
mileages in this part are stated as statute miles.

Subpart B - Restricted Areas
Section 73.11

Applicability.

This subpart designates restricted
areas and prescribes limitations on the
operation of aircraft within them.

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Section 73.13

(a) The using agency described in
Section 73.15; or
(b) The controlling agency described
in Section 73.17.

Restrictions.

No person may operate an aircraft
within a restricted area between the
designated altitudes and during the
time of designation, unless he has the
advance permission of

Using agency.

(a) For the purposes of this subpart,
the following are using agencies;
(1) The agency, organization, or military command whose activity within a
restricted area necessitated the area
being so designated.
(b) Upon the request of the FAA, the
using agency shall execute a letter establishing procedures for joint use of a
restricted area by the using agency and
the controlling agency, under which
the using agency would notify the controlling agency whenever the controlling agency may grant permission for
transit through the restricted area in
accordance with the terms of the letter.
(c) The using agency shall - 
(1) Schedule activities within the restricted area;
(2) Authorize transit through, or
flight within, the restricted area as
feasible; and
(3) Contain within the restricted area
all activities conducted therein in accordance with the purpose for which it
was designated.
Section 73.17

Controlling agency.

For the purposes of this part, the
controlling agency is the FAA facility
that may authorize transit through or
flight within a restricted area in accordance with a joint-use letter issued
under Section 73.15.
Section 73.19

Reports by using agency.

(a) Each using agency shall prepare a
report on the use of each restricted
area assigned thereto during any part
of the preceding 12-month period ended
September 30, and transmit it by the
following January 31 of each year to
the Manager, Air Traffic Division in
the regional office of the Federal Aviation Administration having jurisdiction over the area in which the restricted area is located, with a copy to
the Program Director for Air Traffic
Airspace Management, Federal Aviation Administration, Washington, DC
20591.

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