JO 7110.65 — Air Traffic Control
JO 7110.65 4-1-1
ALTITUDE AND DISTANCE LIMITATIONS
When specifying a route other than an established airway or route, do not exceed the limitations in the table on any portion of the route which lies within controlled airspace. (For altitude and distance limitations, see TBL 4-1-1 , TBL 4-1-2 , and TBL 4-1-3 ) (For correct application of altitude and distance limitations see FIG 4-1-1 and FIG 4-1-2 .)
REFERENCE-
FAA Order JO 7110.65, Para 4-1-5 , Fix Use.
FAA Order JO 7110.65, Para 5-6-2 , Methods.
TBL 4-1-1 VOR/VORTAC/TACAN NAVAIDs Class
Altitude
Distance
(miles)
T
12,000 and below
25
L
Below 18,000
40
H
Below 14,500
40
H
14,500 - 17,999
100
H
18,000 - FL 450
130
H
Above FL 450
100
TBL 4-1-2 L/MF Radio Beacon (RBN) Class
Power (watts)
Distance
(miles)
CL
Under 25
15
MH
Under 50
25
H
50 - 1,999
50
HH
2,000 or more
75
TBL 4-1-3 ILS Height (feet)
above transmitter
Distance
(miles from transmitter)
4,500
10 (for glideslope)
4,500
18 (for localizer)
*Use the current flight check height/altitude limitations if different from the above minima.
FIG 4-1-1 Application of Altitude and Distance Limitations

FIG 4-1-2 Application of Altitude and Distance Limitations

Retrieved from ecfr.gov on July 20, 2026.