656 

14 CFR Ch. I (1–1–24 Edition) 

§ 77.11 

or settlement where the shielded struc-
ture will not adversely affect safety in 
air navigation; 

(2) Any air navigation facility, air-

port visual approach or landing aid, 
aircraft arresting device, or meteoro-
logical device meeting FAA-approved 
siting criteria or an appropriate mili-
tary service siting criteria on military 
airports, the location and height of 
which are fixed by its functional pur-
pose; 

(3) Any construction or alteration for 

which notice is required by any other 
FAA regulation. 

(4) Any antenna structure of 20 feet 

or less in height, except one that would 
increase the height of another antenna 
structure. 

§ 77.11

Supplemental notice require-

ments. 

(a) You must file supplemental no-

tice with the FAA when: 

(1) The construction or alteration is 

more than 200 feet in height AGL at its 
site; or 

(2) Requested by the FAA. 
(b) You must file supplemental no-

tice on a prescribed FAA form to be re-
ceived within the time limits specified 
in the FAA determination. If no time 
limit has been specified, you must sub-
mit supplemental notice of construc-
tion to the FAA within 5 days after the 
structure reaches its greatest height. 

(c) If you abandon a construction or 

alteration proposal that requires sup-
plemental notice, you must submit no-
tice to the FAA within 5 days after the 
project is abandoned. 

(d) If the construction or alteration 

is dismantled or destroyed, you must 
submit notice to the FAA within 5 days 
after the construction or alteration is 
dismantled or destroyed. 

Subpart C—Standards for Deter-

mining Obstructions to Air 
Navigation or Navigational 
Aids or Facilities 

§ 77.13

Applicability. 

This subpart describes the standards 

used for determining obstructions to 
air navigation, navigational aids, or 
navigational facilities. These standards 
apply to the following: 

(a) Any object of natural growth, ter-

rain, or permanent or temporary con-
struction or alteration, including 
equipment or materials used and any 
permanent or temporary apparatus. 

(b) The alteration of any permanent 

or temporary existing structure by a 
change in its height, including appur-
tenances, or lateral dimensions, includ-
ing equipment or material used there-
in. 

§ 77.15

Scope. 

(a) This subpart describes standards 

used to determine obstructions to air 
navigation that may affect the safe and 
efficient use of navigable airspace and 
the operation of planned or existing air 
navigation and communication facili-
ties. Such facilities include air naviga-
tion aids, communication equipment, 
airports, Federal airways, instrument 
approach or departure procedures, and 
approved off-airway routes. 

(b) Objects that are considered ob-

structions under the standards de-
scribed in this subpart are presumed 
hazards to air navigation unless fur-
ther aeronautical study concludes that 
the object is not a hazard. Once further 
aeronautical study has been initiated, 
the FAA will use the standards in this 
subpart, along with FAA policy and 
guidance material, to determine if the 
object is a hazard to air navigation. 

(c) The FAA will apply these stand-

ards with reference to an existing air-
port facility, and airport proposals re-
ceived by the FAA, or the appropriate 
military service, before it issues a final 
determination. 

(d) For airports having defined run-

ways with specially prepared hard sur-
faces, the primary surface for each run-
way extends 200 feet beyond each end of 
the runway. For airports having de-
fined strips or pathways used regularly 
for aircraft takeoffs and landings, and 
designated runways, without specially 
prepared hard surfaces, each end of the 
primary surface for each such runway 
shall coincide with the corresponding 
end of the runway. At airports, exclud-
ing seaplane bases, having a defined 
landing and takeoff area with no de-
fined pathways for aircraft takeoffs 
and landings, a determination must be 
made as to which portions of the land-
ing and takeoff area are regularly used 

VerDate Sep<11>2014 

14:00 Mar 14, 2024

Jkt 262047

PO 00000

Frm 00666

Fmt 8010

Sfmt 8010

Q:\14\14V2.TXT

PC31

aworley on LAPBH6H6L3 with DISTILLER