Aerobatic Maneuvers
Aerobatic Setup #1
Aerobatic Setup #2
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IMAC
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R/C Modeling Logo
National Society of Radio Controlled Aerobatics
For AMA events 401, 402, 403, 404, 406
(NONSCALE EVENTS)

" While the following is an exact copy of the AMA rules for aerobatics the only recognized official source of AMA rules is the AMA Competition Regulations Rule Book published by the AMA "
Reprinted with permission

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1. Applicability. In addition to the following General Radio Control roles and the specific rules for each radio control event, radio control model aircraft construction, flying, and competition are also governed by the rules of the following sections: Sanctioned Competition. Records, and General. Although the following general and specific rules primarily govern competitive activity in AMA events, it is strongly recommended that in the interest of safety and consistency they be followed in all radio control activity.

2. Safety Declaration. At all -sanctioned contest each contestant shall sign an AMA Flight Safety Declaration (perhaps as part of an envy form); attesting to the fact that he/she has previously and is now capable of confidently performing the maneuvers comprising his competitive event. Furthermore, the contestant shall also similarly declare that any and all aircraft he/she uses in said competition have been test flown at least to the extent that they have performed the same competitive maneuvers and are therefore qualified to be flown in the contest and in the presence of fellow contestants, contest officials, and all others who may be in the flight area during the competition period

RADIO CONTROL PATTERN

For events 401, 402, 403, 404, 406.

1. Applicability. All pertinent AMA regulations (see sections entitled Sanctioned Competition, Criteria for Cancellation of Contest, Selection of Champions and Radio Control, General) shall apply except as specified below.

2. Objective. To control by radio a model airplane so that various planned maneuvers may be accomplished The criterion is the quality of execution of the maneuvers compared to defined geometric descriptions and specified procedures. Maneuvers shall be judged according to the AMA Radio Control pattern Judges Guide.

3. Licensing Requirements. All radio equipment and operation must conform to the regulations of the FCC. The AMA membership card of each entrant shall be checked at every .sanctioned meet. An FCC amateur license is required for use of 50 and 53 MHz.

4. Model Aircraft Requirements.

4.1. Power. Models shall be powered by reciprocating or rotary piston internal combustion engine(s) or electric motor(s) of any size and displacement.

4.2. Noise Limit. Each reciprocating or rotary piston internal combustion engine shall be equipped with an effective silencer. The maximum noise level for all classes shall be 96 decibels measured at three (3) meters from the center line of the model with the model standing on concrete of macadam, and 94 dB if an earth or short grass surface must be used. All measurements will be taken perpendicular to the fuselage centerline on the right-hand downwind side of the model with the motor running at full power; the microphone to be placed on a stand 30 centimeters above the ground and in line with the motor. No noise reflecting objects shall be nearer than three (3) meters to model or microphone. A score penalty of five (5) percent of the raw flight score shall be assessed for those models registering over 96 dB, and a 10 percent penalty for those registering over 98 dB. The Contest Director shall have the option of deleting the noise level requirement at any sanctioned event; however, such deletion must be published in advance of the event date. (See recommended sound reading procedures in addendum I at the rear of this book.)

4.3. Weight and Size. No model may weigh more than five (5) kilograms (11 pounds) gross, but excluding fuel, ready for takeoff. No model may have a wingspan or total length longer than two (2) meters (78.74 inches).

4.4. Controls There shall be no radio equipment or aircraft control function limitations in any Pattern class except Sportsman; however, the use of an "automatic pilot" type device, which places the model under anything less than full pilot control at all times, is prohibited in all classes of competition.

4.4.1. In the Sportsman class, aircraft must be of the fixed gear type, or, if the aircraft is equipped with retractable landing gear, the aircraft must be flown with the gear down.

4.5. Eligibility of Models. Contestants may fly any aircraft which conforms to the rules of the class in which they are entered and may share, borrow, repair, or interchange aircraft components or complete aircraft as they see fit during the competition, providing the resulting complete aircraft conforms to the equipment requirements as stated in this section, and satisfies the provisions of Paragraphs 4.7.1'and 6.1.

4.6. The builder-of-the-model-rule shall not apply to the Pattern events.

4.7.Identification. All models shall be identified by the contestant's AMA license number permanently affixed to the upper side of the right-hand lifting surface or to each side of the fuselage or vertical stabilizer. The height of the numerals must be at least one (1) inch. Both stroke and width shall be such as to enable ready recognition

4.7.1. Borrowed or shared aircraft shall carry temporary identification, as shall repaired aircraft if deemed necessary by the Contest Director. Such identification shall consist of the AMA license number of the contestant operating the model affixed to or written on the model in any way which conforms to the standard set forth in 4.7. Temporary identification numbers may be affixed in any manner which will withstand the rigors of flight.

5. Number of Helpers. Each pilot is permitted one (1) helper during the flight, two (2) helpers may be
present during the starting of the engine(s). Once airborne no person other than the pilot shall operate the
transmitter controls. Operation by anyone else shall require disqualification of the flight.

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Developed by Geistware of Indiana© ., 1999.
Updated January 24, 2001