Alphanumeric Display

Letters and numerals used to show identification, altitude, beacon code, and other information concerning a target on a radar display.

Source: FAA Pilot/Controller Glossary (definition from the 2023 edition; current: Change 1 of 7 August 2025).

Also listed as: Data Block.

See also

Related terms

Glossary last updated 2026-10-28.

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A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z