891 

Federal Aviation Administration, DOT 

Pt. 93, Subpt. U, App. A 

A

PPENDIX TO

S

UBPART

U 

OF

P

ART

93—S

PECIAL

F

LIGHT

R

ULES IN THE

V

ICINITY OF

 

THE

G

RAND

C

ANYON

N

ATIONAL

P

ARK

, AZ 

A

PPENDIX

A 

TO

S

UBPART

U 

OF

P

ART

93— 

GCNP Q

UIET

A

IRCRAFT

T

ECHNOLOGY

 

D

ESIGNATION

 

This appendix contains procedures for de-

termining the GCNP quiet aircraft tech-
nology designation status for each aircraft 
subject to § 93.301 determined during the 

noise certification process as prescribed 
under part 36 of this chapter. Where no cer-
tificated noise level is available, the Admin-
istrator may approve an alternative meas-
urement procedure. 

Aircraft Noise Limit for GCNP Quiet Aircraft 

Technology Designation 

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