91N6E Big Bird acquisition radar
E1423823
UNEXPLORED
The 91N6E "Big Bird" acquisition radar is a long-range, phased-array surveillance and target acquisition radar used to detect and track aerial threats for the Russian S-400 air defense system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 91N6E Big Bird acquisition radar canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T20322123 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 91N6E Big Bird acquisition radar Context triple: [S-400 missile system, radarSystem, 91N6E Big Bird acquisition radar]
-
A.
ALTAIR radar
ALTAIR radar is a powerful tracking and surveillance radar system located on Kwajalein Atoll, used primarily for space object tracking and missile defense research.
-
B.
Northrop Grumman MESA radar
The Northrop Grumman MESA radar is an advanced airborne early warning and control radar system featuring a distinctive dorsal "top hat" antenna that provides 360-degree surveillance and battle management capabilities.
-
C.
Erieye radar
The Erieye radar is a Swedish airborne early warning and control (AEW&C) radar system known for its active electronically scanned array (AESA) technology and long-range surveillance capabilities.
-
D.
RP-9 radar
The RP-9 radar was an early Soviet airborne interception radar system used to guide the Su-9 fighter in locating and engaging aerial targets.
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E.
Upgraded Early Warning Radar
The Upgraded Early Warning Radar is a high-powered, long-range phased-array radar system used by U.S. missile defense to detect, track, and provide precise targeting data on ballistic missile threats in space.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: 91N6E Big Bird acquisition radar Target entity description: The 91N6E "Big Bird" acquisition radar is a long-range, phased-array surveillance and target acquisition radar used to detect and track aerial threats for the Russian S-400 air defense system.
-
A.
ALTAIR radar
ALTAIR radar is a powerful tracking and surveillance radar system located on Kwajalein Atoll, used primarily for space object tracking and missile defense research.
-
B.
Northrop Grumman MESA radar
The Northrop Grumman MESA radar is an advanced airborne early warning and control radar system featuring a distinctive dorsal "top hat" antenna that provides 360-degree surveillance and battle management capabilities.
-
C.
Erieye radar
The Erieye radar is a Swedish airborne early warning and control (AEW&C) radar system known for its active electronically scanned array (AESA) technology and long-range surveillance capabilities.
-
D.
RP-9 radar
The RP-9 radar was an early Soviet airborne interception radar system used to guide the Su-9 fighter in locating and engaging aerial targets.
-
E.
Upgraded Early Warning Radar
The Upgraded Early Warning Radar is a high-powered, long-range phased-array radar system used by U.S. missile defense to detect, track, and provide precise targeting data on ballistic missile threats in space.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.