Federal Aviation Administration, DOT

Pt. 93, Subpt. U, App. A

APPENDIX TO SUBPART U OF PART 93 - SPECIAL FLIGHT RULES IN THE VICINITY OF
THE GRAND CANYON NATIONAL PARK, AZ

This appendix contains procedures for determining the GCNP quiet aircraft technology designation status for each aircraft
subject to Section 93.301 determined during the

noise certification process as prescribed
under part 36 of this chapter. Where no certificated noise level is available, the Administrator may approve an alternative measurement procedure.
Aircraft Noise Limit for GCNP Quiet Aircraft
Technology Designation

891

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APPENDIX A TO SUBPART U OF PART 93 - 
GCNP QUIET AIRCRAFT TECHNOLOGY
DESIGNATION