862 

14 CFR Ch. I (1–1–24 Edition) 

§ 93.307 

N., Long. 113

°

37

′

13

″ 

W.; thence along the 

park boundary to the point of origin. 

[Doc. No. 28537, 61 FR 69330, Dec. 31, 1996, as 
amended by Amdt. 93–80, 65 FR 17742, Apr. 4, 
2000; Amdt. 93-102, 83 FR 48212, Sept. 24, 2018] 

§ 93.307

Minimum flight altitudes. 

Except in an emergency, or if other-

wise necessary for safety of flight, or 
unless otherwise authorized by the re-
sponsible Flight Standards Office for a 
purpose listed in § 93.309, no person may 
operate an aircraft in the Special 
Flight Rules Area at an altitude lower 
than the following: 

(a) 

Minimum sector altitudes—(1)  Com-

mercial air tours—(i) Marble Canyon Sec-
tor.  Lees Ferry to Boundary Ridge: 
6,000 feet MSL. 

(ii) 

Supai Sector. Boundary Ridge to 

Supai Point: 7,500 feet MSL. 

(iii) 

Diamond Creek Sector. Supai 

Point to Diamond Creek: 6,500 feet 
MSL. 

(iv) 

Pearce Ferry Sector. Diamond 

Creek to the Grand Wash Cliffs: 5,000 
feet MSL. 

(2) 

Transient and general aviation oper-

ations—(i)  Marble Canyon Sector. Lees 
Ferry to Boundary Ridge: 8,000 feet 
MSL. 

(ii) 

Supai Sector. Boundary Ridge to 

Supai Point: 10,000 feet MSL. 

(iii) 

Diamond Creek Sector. Supai 

Point to Diamond Creek: 9,000 feet 
MSL. 

(iv) 

Pearce Ferry Sector. Diamond 

Creek to the Grand Wash Cliffs: 8,000 
feet MSL. 

(b) 

Minimum corridor altitudes—(1) 

Commercial air tours—(i) Zuni Point Cor-
ridors. 7,500 feet MSL. 

(ii) 

Dragon Corridor. 7,500 feet MSL. 

(2) 

Transient and general aviation oper-

ations—(i)  Zuni Point Corridor. 10,500 
feet MSL. 

(ii) 

Dragon Corridor. 10,500 feet MSL. 

(iii) 

Tuckup Corridor. 10,500 feet MSL. 

(iv) Fossil Canyon Corridor. 10,500 

feet 

[Doc. No. 28537, 61 FR 69330, Dec. 31, 1996, as 
amended by Amdt. 93–80, 65 FR 17742, 17743, 
Apr. 4, 2000; Amdt. 93-102, 83 FR 48212, Sept. 
24, 2018] 

§ 93.309

General operating procedures. 

Except in an emergency, no person 

may operate an aircraft in the Special 
Flight Rules Area unless the operation 

is conducted in accordance with the 
following procedures. (N

OTE

: The fol-

lowing procedures do not relieve the 
pilot from see-and-avoid responsibility 
or compliance with the minimum safe 
altitude requirements specified in 
§ 91.119 of this chapter.): 

(a) Unless necessary to maintain a 

safe distance from other aircraft or ter-
rain remain clear of the flight-free 
zones described in § 93.305; 

(b) Unless necessary to maintain a 

safe distance from other aircraft or ter-
rain, proceed through the Zuni Point, 
Dragon, Tuckup, and Fossil Canyon 
Flight Corridors described in § 93.305 at 
the following altitudes unless other-
wise authorized in writing by the re-
sponsible Flight Standards Office: 

(1) 

Northbound.  11,500 or 13,500 feet 

MSL. 

(2) 

Southbound.  10,500 or 12,500 feet 

MSL. 

(c) For operation in the flight-free 

zones described in § 93.305, or flight 
below the altitudes listed in § 93.307, is 
authorized in writing by the respon-
sible Flight Standards Office and is 
conducted in compliance with the con-
ditions contained in that authoriza-
tion. Normally authorization will be 
granted for operation in the areas de-
scribed in § 93.305 or below the altitudes 
listed in § 93.307 only for operations of 
aircraft necessary for law enforcement, 
firefighting, emergency medical treat-
ment/evacuation of persons in the vi-
cinity of the Park; for support of Park 
maintenance or activities; or for aerial 
access to and maintenance of other 
property located within the Special 
Flight Rules Area. Authorization may 
be issued on a continuing basis; 

(d) Is conducted in accordance with a 

specific authorization to operate in 
that airspace incorporated in the oper-
ator’s operations specifications and ap-
proved by the responsible Flight Stand-
ards Office in accordance with the pro-
visions of this subpart; 

(e) Is a search and rescue mission di-

rected by the U.S. Air Force Rescue 
Coordination Center; 

(f) Is conducted within 3 nautical 

miles of Grand Canyon Bar Ten Air-
strip, Pearce Ferry Airstrip, Cliff 
Dwellers Airstrip, Marble Canyon Air-
strip, or Tuweep Airstrip at an altitude 

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863 

Federal Aviation Administration, DOT 

§ 93.319 

less than 3,000 feet above airport ele-
vation, for the purpose of landing at or 
taking off from that facility; or 

(g) Is conducted under an instrument 

flight rules (IFR) clearance and the 
pilot is acting in accordance with ATC 
instructions. An IFR flight plan may 
not be filed on a route or at an altitude 
that would require operation in an area 
described in § 93.305. 

[Doc. No. 28537, 61 FR 69330, Dec. 31, 1996, as 
amended by Amdt. 93–80, 65 FR 17742, 17743, 
Apr. 4, 2000; Amdt. 93-102, 83 FR 48212, Sept. 
24, 2018] 

§ 93.311

Minimum terrain clearance. 

Except in an emergency, when nec-

essary for takeoff or landing, or unless 
otherwise authorized by the respon-
sible Flight Standards Office for a pur-
pose listed in § 93.309(c), no person may 
operate an aircraft within 500 feet of 
any terrain or structure located be-
tween the north and south rims of the 
Grand Canyon. 

[Docket No. FAA-2018-0851, Amdt. 93-102, 83 
FR 48212, Sept. 24, 2018] 

§ 93.313

Communications. 

Except when in contact with the 

Grand Canyon National Park Airport 
Traffic Control Tower during arrival or 
departure or on a search and rescue 
mission directed by the U.S. Air Force 
Rescue Coordination Center, no person 
may operate an aircraft in the Special 
Flight Rules Area unless he monitors 
the appropriate frequency continuously 
while in that airspace. 

§ 93.315

Requirements for commercial 

Special Flight Rules Area oper-
ations. 

Each person conducting commercial 

Special Flight Rules Area operations 
must be certificated in accordance 
with Part 119 for Part 135 or 121 oper-
ations and hold appropriate Grand Can-
yon National Park Special Flight 
Rules Area operations specifications. 

[65 FR 17732, Apr. 4, 2000] 

§ 93.316

[Reserved] 

§ 93.317

Commercial Special Flight 

Rules Area operation curfew. 

Unless otherwise authorized by the 

responsible Flight Standards Office, no 

person may conduct a commercial Spe-
cial Flight Rules Area operation in the 
Dragon and Zuni Point corridors dur-
ing the following flight-free periods: 

(a) Summer season (May 1–Sep-

tember 30)–6 p.m. to 8 a.m. daily; and 

(b) Winter season (October 1–April 

30)–5 p.m. to 9 a.m. daily. 

[65 FR 17732, Apr. 4, 2000, as amended by 
Amdt. 93-102, 83 FR 48213, Sept. 24, 2018] 

§ 93.319

Commercial air tour limita-

tions. 

(a) Unless excepted under paragraph 

(f) or (g) of this section, no certificate 
holder certificated in accordance with 
part 119 for part 121 or 135 operations 
may conduct more commercial air 
tours in the Grand Canyon National 
Park in any calendar year than the 
number of allocations specified on the 
certificate holder’s operations speci-
fications. 

(b) The Administrator determines the 

number of initial allocations for each 
certificate holder based on the total 
number of commercial air tours con-
ducted by the certificate holder and re-
ported to the FAA during the period 
beginning on May 1, 1997 and ending on 
April 30, 1998, unless excepted under 
paragraph (g). 

(c) Certificate holders who conducted 

commercial air tours during the base 
year and reported them to the FAA re-
ceive an initial allocation. 

(d) A certificate holder must use one 

allocation for each flight that is a com-
mercial air tour, unless excepted under 
paragraph (f) or (g) of this section. 

(e) Each certificate holder’s oper-

ation specifications will identify the 
following information, as applicable: 

(1) Total SFRA allocations; and 
(2) Dragon corridor and Zuni Point 

corridor allocations. 

(f) Certificate holders satisfying the 

requirements of § 93.315 of this subpart 
are not required to use a commercial 
air tour allocation for each commercial 
air tour flight in the GCNP SFRA pro-
vided the following conditions are sat-
isfied: 

(1) The certificate holder conducts its 

operations in conformance with the 
routes and airspace authorizations as 
specified in its Grand Canyon National 
Park Special Flight Rules Area oper-
ations specifications; 

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