Section 21.23 - Aircraft Operational Safety Requirements(1) Aircraft landing at the Airport shall make the landing runway available to others by leaving the line of traffic as promptly as possible unless otherwise instructed by ATC.(2) No person shall practice aircraft landings or takeoffs at Logan Airport without advance permission.(3)(a) No aircraft shall land, takeoff or taxi at Logan International Airport with a student pilot at the controls nor shall flight instruction activities be conducted without prior permission of the Executive Director.(b) Aircraft at Laurence G. Hanscom Field may land, takeoff or taxi with a student pilot at the controls unless specifically prohibited by the Executive Director.(c) Aircraft at Worcester Regional Airport may land, takeoff or taxi with a student pilot at the controls unless specifically prohibited by the Executive Director.(4) No aircraft shall use any part of the landing areas considered temporarily unsafe for landing or taking off, or which is not available for any cause; such areas to be suitably noted and described by NOTAM.(5) Aircraft shall use marked hard surfaces of runways and taxiways only, unless otherwise designated by the Executive Director.(6) The pilot or other person aboard engaged in the operation of any aircraft (except when subject to the direction or control for ground movement purposes, of the Federal Aviation Administration or like Federal Agency) being operated on the surface of any landing area, ramp and apron area or aircraft parking and storage area, must at all times comply with any lawful order, signal or direction of an authorized representative of the Authority. When operation of such aircraft is controlled by lights, signs, mechanical or electrical signals or pavement markings, such lights, signs, signals and markings shall be obeyed unless an authorized representative of the Authority directs otherwise.(7) No aircraft shall be operated on the surface of a landing area, ramp and apron area or aircraft parking and storage area in a careless or negligent manner or in disregard of the right and safety of others, or without due caution and circumspection, or at a speed or in a manner which endangers unreasonably, persons or property, or while the pilot, or other person aboard controlling any part of the operation thereof, is under the influence of intoxicating liquor, or any narcotic or habit forming drug, or if such aircraft is so constructed, equipped or loaded as to endanger unreasonably persons or property.(8) No aircraft shall be parked except on a ramp or apron area or other area specifically approved by the Executive Director; and all parked aircraft must be properly listed.(9) Aircraft dump valves of any kind shall be tested in areas designated for that purpose by the Executive Director.(10) The pilot or operator of non-tenant or general aviation aircraft landing at the Airport shall register at the check-in area designated by the Executive Director immediately after landing; he shall also check out at such area immediately before departure.(11) No person shall park, store, service or repair an aircraft or leave the same standing in a landing area, ramp or apron area, or aircraft parking and storage area at the Airport, except at such places as may be prescribed or permitted by the Executive Director.(12) All aircraft which are being taxied, towed or otherwise moved at the Airport shall be under full control and move or be moved at a reasonable speed. Whenever any aircraft is being taxied, towed or otherwise moved on the landing area, ramp and apron area, or aircraft parking and storage area, there shall be a person attending the controls of the aircraft who shall monitor by radio the transmitting frequency in use by the Control Tower. In the event the aircraft is not equipped with radio or the radio is inoperative, the persons moving the aircraft shall obtain vehicular radio guidance or obtain prior approval from the Control Tower for visual means of communication.(13) All aircraft being taxied, towed or otherwise moved at the Airport shall proceed with running lights on during the hours between sunset and sunrise, and during periods of reduced visibility.(14) No aircraft shall be taxied in or out of a hangar under its own power.(15) Helicopters shall not be taxied, towed, or otherwise moved with rotors turning at the Airport unless there is a clear area of at least 50 feet from the outer tip of each rotor. No helicopter shall be operated within 200 feet of any areas on the Airport where unsecured light aircraft are parked, unless authorized by ATC.(16) No aircraft shall be started, run-up, or taxied at the Airport where the jet exhaust blast or propeller slipstream may cause injury to persons or damage to property. If it is impossible to start or taxi such aircraft without compliance with the above then the engines must be shut off and aircraft towed to desired destination.(17) No aircraft shall be taxied, started or run at the Airport unless a certified pilot certified to operate that particular type of aircraft or a certified mechanic qualified to start and run the engines of that particular type of aircraft shall be attending the controls. Wheel blocks shall always be placed at the front and rear of each main landing wheel and the brakes shall be locked before the engines are started except in cases where in the opinion of the Executive Director other procedures are equally safe. In the case of helicopters, only a certified helicopter pilot shall attend to the controls.(18) No person shall start any reciprocating aircraft engine of over 500 hp unless there is a qualified attendant standing by outside the aircraft with a 15 pound or larger fire extinguisher of approved type.(19) Aircraft shall be started and warmed up on the Airport only in places designated for such purposes by the Executive Director.(20) No jet or turbo-prop aircraft engine shall be run-up except on warmup pads or in other areas authorized by the Executive Director.(21) In the event of spillage or dripping of fuel, oil, grease, or any other material which may be unsightly or detrimental to the pavement in any area of the Airport, the same shall be removed immediately. The responsibility for the immediate removal of such fuel, oil, grease, or other material shall be assumed by the operator of the equipment causing the same or by the tenant or concessionaire responsible for the deposit thereof on the pavement.(22) Except upon leased premises, the cleaning of or otherwise maintaining aircraft shall be accomplished in areas designated for that purpose by the Executive Director.(23) All arriving aircraft whose destination is the International Terminal Ramp at Logan must obtain a gate assignment from the International Ramp Control on designated frequency before leaving the inner taxiway and entering the ramp area.