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886 

14 CFR Ch. I (1–1–24 Edition) 

§ 99.45 

97

°

00

W; 26

°

00

′ 

N; 97

°

00

W; 25

°

58

′ 

N; 

97

°

07

W; westward along the U.S./Mex-

ico border to 32

°

32

03

″ 

N, 117

°

07

25

″ 

W; 

32

°

30

′ 

N; 117

°

25

W; 32

°

35

′ 

N; 118

°

30

W; 

33

°

05

′ 

N; 119

°

45

W; 33

°

55

′ 

N; 120

°

40

W; 

34

°

50

′ 

N; 121

°

10

W; 38

°

50

′ 

N; 124

°

00

W; 

40

°

00

′ 

N; 124

°

35

W; 40

°

25

′ 

N; 124

°

40

W; 

42

°

50

′ 

N; 124

°

50

W; 46

°

15

′ 

N; 124

°

30

W; 

48

°

30

′ 

N; 125

°

00

W; 48

°

20

′ 

N; 128

°

00

W; 

48

°

20

′ 

N; 132

°

00

W; 37

°

42

′ 

N; 130

°

40

W; 

29

°

00

′ 

N; 124

°

00

W; 30

°

45

′ 

N; 120

°

50

W; 

32

°

00

′ 

N; 118

°

24

W; 32

°

30

′ 

N; 117

°

20

W; 

32

°

32

03

″ 

N; 117

°

07

25

″ 

W; eastward along 

the U.S./Mexico border to 25

°

58

′ 

N, 

97

°

07

W; 26

°

00

′ 

N; 97

°

00

W; 26

°

00

′ 

N; 

95

°

00

W; 26

°

30

′ 

N; 95

°

00

W; then via 26

°

30

′ 

N; parallel to 26

°

30

′ 

N; 84

°

00

W; 24

°

00

′ 

N; 

83

°

00

W; then Via 24

°

00

′ 

N; parallel to 

24

°

00

′ 

N; 79

°

25

W; 25

°

40

′ 

N; 79

°

25

W; 27

°

30

′ 

N; 78

°

50

W; 30

°

45

′ 

N; 74

°

00

W; 39

°

30

′ 

N; 

63

°

45

W; 43

°

00

′ 

N; 65

°

48

W; to point of be-

ginning. 

[Doc. No. FAA–2001–10693, 66 FR 49822, Sept. 
28, 2001. Redesignated at 69 FR 16756, Mar. 30, 
2004] 

§ 99.45

Alaska ADIZ. 

The area is bounded by a line from 

54

°

00

′ 

N; 136

°

00

W; 56

°

57

′ 

N; 144

°

00

W; 

57

°

00

′ 

N; 145

°

00

W; 53

°

00

′ 

N; 158

°

00

W; 

50

°

00

′ 

N; 169

°

00

W; 50

°

00

′ 

N; 180

°

00

; 50

°

00

′ 

N; 170

°

00

E; 53

°

00

′ 

N; 170

°

00

E; 60

°

00

00

″ 

N; 

180

°

00

; 65

°

00

′ 

N; 169

°

00

W; then along 

169

°

00

W; to 75

°

00

′ 

N; 169

°

00

W; then 

along the 75

°

00

′ 

N; parallel to 75

°

00

′ 

N, 

141

°

00

W; 69

°

50

′ 

N; 141

°

00

W 71

°

18

′ 

N; 

156

°

44

W; 68

°

40

′ 

N; 167

°

10

W; 67

°

00

′ 

N; 

165

°

00

W; 65

°

40

′ 

N; 168

°

15

W; 63

°

45

′ 

N; 

165

°

30

W; 61

°

20

′ 

N; 166

°

40

W; 59

°

00

′ 

N; 

163

°

00

W; then south along 163

°

00

W to 

54

°

00

′ 

N, 163

°

00

W; 56

°

30

′ 

N; 154

°

00

W; 

59

°

20

′ 

N; 146

°

00

W; 59

°

30

′ 

N; 140

°

00

W; 

57

°

00

′ 

N; 136

°

00

W; 54

°

35

′ 

N, 133

°

00

W; to 

point of beginning. 

[Doc. No. FAA–2001–10693, 66 FR 49822, Sept. 
28, 2001. Redesignated at 69 FR 16756, Mar. 30, 
2004] 

§ 99.47

Guam ADIZ. 

(a) 

Inner boundary. From a point 

13

°

52

07

″ 

N, 143

°

59

16

″ 

E, counter-

clockwise along the 50-nautical-mile 
radius arc of the NIMITZ VORTAC (lo-
cated at 13

°

27

11

″ 

N, 144

°

43

51

″ 

E); to a 

point 13

°

02

08

″ 

N, 145

°

28

17

″ 

E; then to a 

point 14

°

49

07

″ 

N, 146

°

13

58

″ 

E; counter-

clockwise along the 35-nautical-mile 
radius arc of the SAIPAN NDB (located 
at 15

°

06

46

″ 

N, 145

°

42

42

″ 

E); to a point 

15

°

24

21

″ 

N, 145

°

11

21

″ 

E; then to the 

point of origin. 

(b) 

Outer boundary. The area bounded 

by a circle with a radius of 250 NM cen-
tered at latitude 13

°

32

41

″ 

N, longitude 

144

°

50

30

″ 

E. 

[Doc. No. 25113, 53 FR 18217, May 20, 1988. Re-
designated at 69 FR 16756, Mar. 30, 2004] 

§ 99.49

Hawaii ADIZ. 

(a) 

Outer boundary. The area included 

in the irregular octagonal figure 
formed by a line connecting 26

°

30

′ 

N, 

156

°

00

′ 

W; 26

°

30

′ 

N, 161

°

00

′ 

W; 24

°

00

′ 

N, 

164

°

00

′ 

W; 20

°

00

′ 

N, 164

°

00

′ 

W; 17

°

00

′ 

N, 

160

°

00

′ 

W; 17

°

00

′ 

N, 156

°

00

′ 

W; 20

°

00

′ 

N, 

153

°

00

′ 

W; 22

°

00

′ 

N, 153

°

00

′ 

W; to point of 

beginning. 

(b) 

Inner boundary. The inner bound-

ary to follow a line connecting 22

°

30

′ 

N, 

157

°

00

′ 

W; 22

°

30

′ 

N, 160

°

00

′ 

W; 22

°

00

′ 

N, 

161

°

00

′ 

W; 21

°

00

′ 

N, 161

°

00

′ 

W; 20

°

00

′ 

N, 

160

°

00

′ 

W; 20

°

00

′ 

N, 156

°

30

′ 

W; 21

°

00

′ 

N, 

155

°

30

′ 

W; to point of beginning. 

[Doc. No. 25113, 53 FR 18217, May 20, 1988. Re-
designated at 69 FR 16756, Mar. 30, 2004] 

PART 101—MOORED BALLOONS, 

KITES, AMATEUR ROCKETS, AND 
UNMANNED FREE BALLOONS 

Subpart A—General 

Sec. 
101.1

Applicability. 

101.3

Waivers. 

101.5

Operations in prohibited or restricted 

areas. 

101.7

Hazardous operations. 

Subpart B—Moored Balloons and Kites 

101.11

Applicability. 

101.13

Operating limitations. 

101.15

Notice requirements. 

101.17

Lighting and marking requirements. 

101.19

Rapid deflation device. 

Subpart C—Amateur Rockets 

101.21

Applicability. 

101.22

Definitions. 

101.23

General operating limitations. 

101.25

Operating limitations for Class 2- 

High Power Rockets and Class 3-Ad-
vanced High Power Rockets. 

101.27

ATC notification for all launches. 

101.29

Information requirements. 

Subpart D—Unmanned Free Balloons 

101.31

Applicability. 

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887 

Federal Aviation Administration, DOT 

§ 101.13 

101.33

Operating limitations. 

101.35

Equipment and marking require-

ments. 

101.37

Notice requirements. 

101.39

Balloon position reports. 

A

UTHORITY

: 49 U.S.C. 106(f), 106(g), 40101 

note, 40103, 40113–40114, 45302, 44502, 44514, 
44701–44702, 44721, 46308. 

Subpart A—General 

§ 101.1

Applicability. 

(a) This part prescribes rules gov-

erning the operation in the United 
States, of the following: 

(1) Except as provided for in § 101.7, 

any balloon that is moored to the sur-
face of the earth or an object thereon 
and that has a diameter of more than 6 
feet or a gas capacity of more than 115 
cubic feet. 

(2) Except as provided for in § 101.7, 

any kite that weighs more than 5 
pounds and is intended to be flown at 
the end of a rope or cable. 

(3) Any amateur rocket except aerial 

firework displays. 

(4) Except as provided for in § 101.7, 

any unmanned free balloon that— 

(i) Carries a payload package that 

weighs more than four pounds and has 
a weight/size ratio of more than three 
ounces per square inch on any surface 
of the package, determined by dividing 
the total weight in ounces of the pay-
load package by the area in square 
inches of its smallest surface; 

(ii) Carries a payload package that 

weighs more than six pounds; 

(iii) Carries a payload, of two or more 

packages, that weighs more than 12 
pounds; or 

(iv) Uses a rope or other device for 

suspension of the payload that requires 
an impact force of more than 50 pounds 
to separate the suspended payload from 
the balloon. 

(b) For the purposes of this part, a 

gyroglider  attached to a vehicle on the 
surface of the earth is considered to be 
a kite. 

[Doc. No. 1580, 28 FR 6721, June 29, 1963, as 
amended by Amdt. 101–1, 29 FR 46, Jan. 3, 
1964; Amdt. 101–3, 35 FR 8213, May 26, 1970; 
Amdt. 101–8, 73 FR 73781, Dec. 4, 2008; 74 FR 
38092, July 31, 2009; Amdt. 101–9, 81 FR 42208, 
June 28, 2016; Amdt. Nos. 101-10, 85 FR 79826, 
Dec. 11, 2020] 

§ 101.3

Waivers. 

No person may conduct operations 

that require a deviation from this part 
except under a certificate of waiver 
issued by the Administrator. 

[Doc. No. 1580, 28 FR 6721, June 29, 1963] 

§ 101.5

Operations in prohibited or re-

stricted areas. 

No person may operate a moored bal-

loon, kite, amateur rocket, or un-
manned free balloon in a prohibited or 
restricted area unless he has permis-
sion from the using or controlling 
agency, as appropriate. 

[Doc. No. 1457, 29 FR 46, Jan. 3, 1964, as 
amended at 74 FR 38092, July 31, 2009] 

§ 101.7

Hazardous operations. 

(a) No person may operate any 

moored balloon, kite, amateur rocket, 
or unmanned free balloon in a manner 
that creates a hazard to other persons, 
or their property. 

(b) No person operating any moored 

balloon, kite, amateur rocket, or un-
manned free balloon may allow an ob-
ject to be dropped therefrom, if such 
action creates a hazard to other per-
sons or their property. 

(Sec. 6(c), Department of Transportation Act 
(49 U.S.C. 1655(c))) 

[Doc. No. 12800, 39 FR 22252, June 21, 1974, as 
amended at 74 FR 38092, July 31, 2009] 

Subpart B—Moored Balloons and 

Kites 

S

OURCE

: Docket No. 1580, 28 FR 6722, June 

29, 1963, unless otherwise noted. 

§ 101.11

Applicability. 

This subpart applies to the operation 

of moored balloons and kites. However, 
a person operating a moored balloon or 
kite within a restricted area must com-
ply only with § 101.19 and with addi-
tional limitations imposed by the using 
or controlling agency, as appropriate. 

§ 101.13

Operating limitations. 

(a) Except as provided in paragraph 

(b) of this section, no person may oper-
ate a moored balloon or kite— 

(1) Less than 500 feet from the base of 

any cloud; 

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14 CFR Ch. I (1–1–24 Edition) 

§ 101.15 

(2) More than 500 feet above the sur-

face of the earth; 

(3) From an area where the ground 

visibility is less than three miles; or 

(4) Within five miles of the boundary 

of any airport. 

(b) Paragraph (a) of this section does 

not apply to the operation of a balloon 
or kite below the top of any structure 
and within 250 feet of it, if that shield-
ed operation does not obscure any 
lighting on the structure. 

§ 101.15

Notice requirements. 

No person may operate an unshielded 

moored balloon or kite more than 150 
feet above the surface of the earth un-
less, at least 24 hours before beginning 
the operation, he gives the following 
information to the FAA ATC facility 
that is nearest to the place of intended 
operation: 

(a) The names and addresses of the 

owners and operators. 

(b) The size of the balloon or the size 

and weight of the kite. 

(c) The location of the operation. 
(d) The height above the surface of 

the earth at which the balloon or kite 
is to be operated. 

(e) The date, time, and duration of 

the operation. 

§ 101.17

Lighting and marking require-

ments. 

(a) No person may operate a moored 

balloon or kite, between sunset and 
sunrise unless the balloon or kite, and 
its mooring lines, are lighted so as to 
give a visual warning equal to that re-
quired for obstructions to air naviga-
tion in the FAA publication ‘‘Obstruc-
tion Marking and Lighting’’. 

(b) No person may operate a moored 

balloon or kite between sunrise and 
sunset unless its mooring lines have 
colored pennants or streamers attached 
at not more than 50 foot intervals be-
ginning at 150 feet above the surface of 
the earth and visible for at least one 
mile. 

(Sec. 6(c), Department of Transportation Act 
(49 U.S.C. 1655(c))) 

[Doc. No. 1580, 28 FR 6722, June 29, 1963, as 
amended by Amdt. 101–4, 39 FR 22252, June 
21, 1974] 

§ 101.19

Rapid deflation device. 

No person may operate a moored bal-

loon unless it has a device that will 
automatically and rapidly deflate the 
balloon if it escapes from its moorings. 
If the device does not function prop-
erly, the operator shall immediately 
notify the nearest ATC facility of the 
location and time of the escape and the 
estimated flight path of the balloon. 

Subpart C— Amateur Rockets 

§ 101.21

Applicability. 

(a) This subpart applies to operating 

unmanned rockets. However, a person 
operating an unmanned rocket within 
a restricted area must comply with 
§ 101.25(g)(2)) and with any additional 
limitations imposed by the using or 
controlling agency. 

(b) A person operating an unmanned 

rocket other than an amateur rocket 
as defined in § 1.1 of this chapter must 
comply with 14 CFR Chapter III. 

[Doc. No. FAA–2007–27390, 73 FR 73781, Dec. 4, 
2008, as amended by Docket No. FAA–2022– 
1355, Amdt. No. 101–11, 87 FR 75846, Dec. 9, 
2022] 

§ 101.22

Definitions. 

The following definitions apply to 

this subpart: 

(a) 

Class 1—Model Rocket means an 

amateur rocket that: 

(1) Uses no more than 125 grams (4.4 

ounces) of propellant; 

(2) Uses a slow-burning propellant; 
(3) Is made of paper, wood, or break-

able plastic; 

(4) Contains no substantial metal 

parts; and 

(5) Weighs no more than 1,500 grams 

(53 ounces), including the propellant. 

(b) 

Class 2—High-Power Rocket means 

an amateur rocket other than a model 
rocket that is propelled by a motor or 
motors having a combined total im-
pulse of 40,960 Newton-seconds (9,208 
pound-seconds) or less. 

(c) 

Class 3—Advanced High-Power 

Rocket  means an amateur rocket other 
than a model rocket or high-power 
rocket. 

[Doc. No. FAA–2007–27390, 73 FR 73781, Dec. 4, 
2008] 

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889 

Federal Aviation Administration, DOT 

§ 101.29 

§ 101.23

General operating limitations. 

(a) You must operate an amateur 

rocket in such a manner that it: 

(1) Is launched on a suborbital trajec-

tory; 

(2) When launched, must not cross 

into the territory of a foreign country 
unless an agreement is in place be-
tween the United States and the coun-
try of concern; 

(3) Is unmanned; and 
(4) Does not create a hazard to per-

sons, property, or other aircraft. 

(b) The FAA may specify additional 

operating limitations necessary to en-
sure that air traffic is not adversely af-
fected, and public safety is not jeopard-
ized. 

[Doc. No. FAA–2007–27390, 73 FR 73781, Dec. 4, 
2008] 

§ 101.25

Operating limitations for 

Class 2-High Power Rockets and 
Class 3-Advanced High Power Rock-
ets. 

When operating 

Class 2-High Power 

Rockets  or  Class 3-Advanced High Power 
Rockets, you must comply with the 
General Operating Limitations of 
§ 101.23. In addition, you must not oper-
ate 

Class 2-High Power Rockets or  Class 

3-Advanced High Power Rockets— 

(a) At any altitude where clouds or 

obscuring phenomena of more than 
five-tenths coverage prevails; 

(b) At any altitude where the hori-

zontal visibility is less than five miles; 

(c) Into any cloud; 
(d) Between sunset and sunrise with-

out prior authorization from the FAA; 

(e) Within 9.26 kilometers (5 nautical 

miles) of any airport boundary without 
prior authorization from the FAA; 

(f) In controlled airspace without 

prior authorization from the FAA; 

(g) Unless you observe the greater of 

the following separation distances from 
any person or property that is not asso-
ciated with the operations: 

(1) Not less than one-quarter the 

maximum expected altitude; 

(2) 457 meters (1,500 ft.); 
(h) Unless a person at least eighteen 

years old is present, is charged with en-
suring the safety of the operation, and 
has final approval authority for initi-
ating high-power rocket flight; and 

(i) Unless reasonable precautions are 

provided to report and control a fire 
caused by rocket activities. 

[74 FR 38092, July 31, 2009, as amended by 
Amdt. 101–8, 74 FR 47435, Sept. 16, 2009] 

§ 101.27

ATC notification for all 

launches. 

No person may operate an unmanned 

rocket other than a Class 1—Model 
Rocket unless that person gives the 
following information to the FAA ATC 
facility nearest to the place of in-
tended operation no less than 24 hours 
before and no more than three days be-
fore beginning the operation: 

(a) The name and address of the oper-

ator; except when there are multiple 
participants at a single event, the 
name and address of the person so des-
ignated as the event launch coordi-
nator, whose duties include coordina-
tion of the required launch data esti-
mates and coordinating the launch 
event; 

(b) Date and time the activity will 

begin; 

(c) Radius of the affected area on the 

ground in nautical miles; 

(d) Location of the center of the af-

fected area in latitude and longitude 
coordinates; 

(e) Highest affected altitude; 
(f) Duration of the activity; 
(g) Any other pertinent information 

requested by the ATC facility. 

[Doc. No. FAA–2007–27390, 73 FR 73781, Dec. 4, 
2008, as amended at Doc. No. FAA–2007–27390, 
74 FR 31843, July 6, 2009] 

§ 101.29

Information requirements. 

(a) 

Class 2—High-Power Rockets. When 

a Class 2—High-Power Rocket requires 
a certificate of waiver or authoriza-
tion, the person planning the operation 
must provide the information below on 
each type of rocket to the FAA at least 
45 days before the proposed operation. 
The FAA may request additional infor-
mation if necessary to ensure the pro-
posed operations can be safely con-
ducted. The information shall include 
for each type of Class 2 rocket expected 
to be flown: 

(1) Estimated number of rockets, 
(2) Type of propulsion (liquid or 

solid), fuel(s) and oxidizer(s), 

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890 

14 CFR Ch. I (1–1–24 Edition) 

§ 101.31 

(3) Description of the launcher(s) 

planned to be used, including any air-
borne platform(s), 

(4) Description of recovery system, 
(5) Highest altitude, above ground 

level, expected to be reached, 

(6) Launch site latitude, longitude, 

and elevation, and 

(7) Any additional safety procedures 

that will be followed. 

(b) 

Class 3—Advanced High-Power 

Rockets.  When a Class 3—Advanced 
High-Power Rocket requires a certifi-
cate of waiver or authorization the per-
son planning the operation must pro-
vide the information below for each 
type of rocket to the FAA at least 45 
days before the proposed operation. 
The FAA may request additional infor-
mation if necessary to ensure the pro-
posed operations can be safely con-
ducted. The information shall include 
for each type of Class 3 rocket expected 
to be flown: 

(1) The information requirements of 

paragraph (a) of this section, 

(2) Maximum possible range, 
(3) The dynamic stability character-

istics for the entire flight profile, 

(4) A description of all major rocket 

systems, including structural, pneu-
matic, propellant, propulsion, ignition, 
electrical, avionics, recovery, wind- 
weighting, flight control, and tracking, 

(5) A description of other support 

equipment necessary for a safe oper-
ation, 

(6) The planned flight profile and se-

quence of events, 

(7) All nominal impact areas, includ-

ing those for any spent motors and 
other discarded hardware, within three 
standard deviations of the mean im-
pact point, 

(8) Launch commit criteria, 
(9) Countdown procedures, and 
(10) Mishap procedures. 

[Doc. No. FAA–2007–27390, 73 FR 73781, Dec. 4, 
2008, as amended at Doc. No. FAA–2007–27390, 
74 FR 31843, July 6, 2009] 

Subpart D—Unmanned Free 

Balloons 

S

OURCE

: Docket No. 1457, 29 FR 47, Jan. 3, 

1964, unless otherwise noted. 

§ 101.31

Applicability. 

This subpart applies to the operation 

of unmanned free balloons. However, a 
person operating an unmanned free bal-
loon within a restricted area must 
comply only with § 101.33 (d) and (e) and 
with any additional limitations that 
are imposed by the using or controlling 
agency, as appropriate. 

§ 101.33

Operating limitations. 

No person may operate an unmanned 

free balloon— 

(a) Unless otherwise authorized by 

ATC, below 2,000 feet above the surface 
within the lateral boundaries of the 
surface areas of Class B, Class C, Class 
D, or Class E airspace designated for an 
airport; 

(b) At any altitude where there are 

clouds or obscuring phenomena of more 
than five-tenths coverage; 

(c) At any altitude below 60,000 feet 

standard pressure altitude where the 
horizontal visibility is less than five 
miles; 

(d) During the first 1,000 feet of as-

cent, over a congested area of a city, 
town, or settlement or an open-air as-
sembly of persons not associated with 
the operation; or 

(e) In such a manner that impact of 

the balloon, or part thereof including 
its payload, with the surface creates a 
hazard to persons or property not asso-
ciated with the operation. 

[Doc. No. 1457, 29 FR 47, Jan. 3, 1964, as 
amended by Amdt. 101–5, 56 FR 65662, Dec. 17, 
1991] 

§ 101.35

Equipment and marking re-

quirements. 

(a) No person may operate an un-

manned free balloon unless— 

(1) It is equipped with at least two 

payload cut-down systems or devices 
that operate independently of each 
other; 

(2) At least two methods, systems, 

devices, or combinations thereof, that 
function independently of each other, 
are employed for terminating the 
flight of the balloon envelope; and 

(3) The balloon envelope is equipped 

with a radar reflective device(s) or ma-
terial that will present an echo to sur-
face radar operating in the 200 MHz to 
2700 MHz frequency range. 

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891 

Federal Aviation Administration, DOT 

§ 101.39 

The operator shall activate the appro-
priate devices required by paragraphs 
(a) (1) and (2) of this section when 
weather conditions are less than those 
prescribed for operation under this sub-
part, or if a malfunction or any other 
reason makes the further operation 
hazardous to other air traffic or to per-
sons and property on the surface. 

(b) No person may operate an un-

manned free balloon below 60,000 feet 
standard pressure altitude between 
sunset and sunrise (as corrected to the 
altitude of operation) unless the bal-
loon and its attachments and payload, 
whether or not they become separated 
during the operation, are equipped with 
lights that are visible for at least 5 
miles and have a flash frequency of at 
least 40, and not more than 100, cycles 
per minute. 

(c) No person may operate an un-

manned free balloon that is equipped 
with a trailing antenna that requires 
an impact force of more than 50 pounds 
to break it at any point, unless the an-
tenna has colored pennants or stream-
ers that are attached at not more than 
50 foot intervals and that are visible 
for at least one mile. 

(d) No person may operate between 

sunrise and sunset an unmanned free 
balloon that is equipped with a suspen-
sion device (other than a highly con-
spicuously colored open parachute) 
more than 50 feet along, unless the sus-
pension device is colored in alternate 
bands of high conspicuity colors or has 
colored pennants or streamers attached 
which are visible for at least one mile. 

(Sec. 6(c), Department of Transportation Act 
(49 U.S.C. 1655(c))) 

[Doc. No. 1457, 29 FR 47, Jan. 3, 1964, as 
amended by Amdt. 101–2, 32 FR 5254, Mar. 29, 
1967; Amdt. 101–4, 39 FR 22252, June 21, 1974] 

§ 101.37

Notice requirements. 

(a) 

Prelaunch notice: Except as pro-

vided in paragraph (b) of this section, 
no person may operate an unmanned 
free balloon unless, within 6 to 24 hours 
before beginning the operation, he 
gives the following information to the 
FAA ATC facility that is nearest to the 
place of intended operation: 

(1) The balloon identification. 
(2) The estimated date and time of 

launching, amended as necessary to re-
main within plus or minus 30 minutes. 

(3) The location of the launching site. 
(4) The cruising altitude. 
(5) The forecast trajectory and esti-

mated time to cruising altitude or 
60,000 feet standard pressure altitude, 
whichever is lower. 

(6) The length and diameter of the 

balloon, length of the suspension de-
vice, weight of the payload, and length 
of the trailing antenna. 

(7) The duration of flight. 
(8) The forecast time and location of 

impact with the surface of the earth. 

(b) For solar or cosmic disturbance 

investigations involving a critical time 
element, the information in paragraph 
(a) of this section shall be given within 
30 minutes to 24 hours before beginning 
the operation. 

(c) 

Cancellation notice: If the oper-

ation is canceled, the person who in-
tended to conduct the operation shall 
immediately notify the nearest FAA 
ATC facility. 

(d) 

Launch notice: Each person oper-

ating an unmanned free balloon shall 
notify the nearest FAA or military 
ATC facility of the launch time imme-
diately after the balloon is launched. 

§ 101.39

Balloon position reports. 

(a) Each person operating an un-

manned free balloon shall: 

(1) Unless ATC requires otherwise, 

monitor the course of the balloon and 
record its position at least every two 
hours; and 

(2) Forward any balloon position re-

ports requested by ATC. 

(b) One hour before beginning de-

scent, each person operating an un-
manned free balloon shall forward to 
the nearest FAA ATC facility the fol-
lowing information regarding the bal-
loon: 

(1) The current geographical position. 
(2) The altitude. 
(3) The forecast time of penetration 

of 60,000 feet standard pressure altitude 
(if applicable). 

(4) The forecast trajectory for the 

balance of the flight. 

(5) The forecast time and location of 

impact with the surface of the earth. 

(c) If a balloon position report is not 

recorded for any two-hour period of 
flight, the person operating an un-
manned free balloon shall immediately 
notify the nearest FAA ATC facility. 

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892 

14 CFR Ch. I (1–1–24 Edition) 

Pt. 103 

The notice shall include the last re-
corded position and any revision of the 
forecast trajectory. The nearest FAA 
ATC facility shall be notified imme-
diately when tracking of the balloon is 
re-established. 

(d) Each person operating an un-

manned free balloon shall notify the 
nearest FAA ATC facility when the op-
eration is ended. 

PART 103—ULTRALIGHT VEHICLES 

Subpart A—General 

Sec. 
103.1

Applicability. 

103.3

Inspection requirements. 

103.5

Waivers. 

103.7

Certification and registration. 

Subpart B—Operating Rules 

103.9

Hazardous operations. 

103.11

Daylight operations. 

103.13

Operation near aircraft; right-of-way 

rules. 

103.15

Operations over congested areas. 

103.17

Operations in certain airspace. 

103.19

Operations in prohibited or restricted 

areas. 

103.20

Flight restrictions in the proximity 

of certain areas designated by notice to 
airmen. 

103.21

Visual reference with the surface. 

103.23

Flight visibility and cloud clearance 

requirements. 

A

UTHORITY

: 49 U.S.C. 106(g), 40103–40104, 

40113, 44701. 

S

OURCE

: Docket No. 21631, 47 FR 38776, 

Sept. 2, 1982, unless otherwise noted. 

Subpart A—General 

§ 103.1

Applicability. 

This part prescribes rules governing 

the operation of ultralight vehicles in 
the United States. For the purposes of 
this part, an ultralight vehicle is a ve-
hicle that: 

(a) Is used or intended to be used for 

manned operation in the air by a single 
occupant; 

(b) Is used or intended to be used for 

recreation or sport purposes only; 

(c) Does not have any U.S. or foreign 

airworthiness certificate; and 

(d) If unpowered, weighs less than 155 

pounds; or 

(e) If powered: 

(1) Weighs less than 254 pounds empty 

weight, excluding floats and safety de-
vices which are intended for deploy-
ment in a potentially catastrophic sit-
uation; 

(2) Has a fuel capacity not exceeding 

5 U.S. gallons; 

(3) Is not capable of more than 55 

knots calibrated airspeed at full power 
in level flight; and 

(4) Has a power-off stall speed which 

does not exceed 24 knots calibrated air-
speed. 

§ 103.3

Inspection requirements. 

(a) Any person operating an ultra-

light vehicle under this part shall, 
upon request, allow the Administrator, 
or his designee, to inspect the vehicle 
to determine the applicability of this 
part. 

(b) The pilot or operator of an ultra-

light vehicle must, upon request of the 
Administrator, furnish satisfactory 
evidence that the vehicle is subject 
only to the provisions of this part. 

§ 103.5

Waivers. 

No person may conduct operations 

that require a deviation from this part 
except under a written waiver issued 
by the Administrator. 

§ 103.7

Certification and registration. 

(a) Notwithstanding any other sec-

tion pertaining to certification of air-
craft or their parts or equipment, 
ultralight vehicles and their compo-
nent parts and equipment are not re-
quired to meet the airworthiness cer-
tification standards specified for air-
craft or to have certificates of air-
worthiness. 

(b) Notwithstanding any other sec-

tion pertaining to airman certification, 
operators of ultralight vehicles are not 
required to meet any aeronautical 
knowledge, age, or experience require-
ments to operate those vehicles or to 
have airman or medical certificates. 

(c) Notwithstanding any other sec-

tion pertaining to registration and 
marking of aircraft, ultralight vehicles 
are not required to be registered or to 
bear markings of any type. 

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