[Added 3-9-1978]
A special exception use permit may be granted by the Planning Board, after public hearing, for the construction and operation of a helistop in the Office Business OB-100 District, subject to compliance with the following special standards and requirements:
A. 
Helistops shall be permitted only on lots having an area of at least 250 acres and shall be set back at least 750 feet from any street or property line.
B. 
If a helistop is to be located within 1,000 feet of a residential property line, the applicant shall be required to submit noise tests, conducted on the property by an independent acoustical consultant utilizing approved sound-detection equipment and relating his findings to the Farnborough Intrusiveness Scale or other similarly recognized standard, and the Planning Board may approve such location only if the results of such tests are satisfactory to assure said Board that an unreasonable disturbance to the neighboring residential property will not be created.
C. 
All landings and takeoffs shall be limited to daylight hours only and shall be carried out in accordance with visual flight rules weather conditions.
D. 
All helicopters using such a facility shall be jet powered, unless it is determined to the satisfaction of the Planning Board that a different type of helicopter will result in a comparable or lesser noise level, and shall have a capacity of no more than eight passengers.
E. 
The use of a helistop shall be limited to persons occupying or employed on the premises and their visitors and guests.
F. 
The helipad (landing surface) shall be paved and maintained free from dust, dirt and other loose material which could be blown onto adjoining properties by the air wash.
G. 
All federal and/or state licenses or approvals which are necessary for the operation of such a facility shall be obtained by the applicant and shall be maintained throughout the duration of the use, and all applicable federal and/or state rules and regulations shall be strictly complied with.
H. 
In connection with its action on the special exception use permit application, the Planning Board may require submission of any additional studies and/or other information which it determines appropriate and may impose any additional standards and requirements as it deems necessary to promote the health, safety and general welfare of the community, including but not limited to limitations on the number and/or frequency of flights and the location of ingress and egress routes.
I. 
No helistop shall be permitted unless its location will permit the final ingress and egress routes within 1/2 mile of such location to be over nonresidential lands.