AN/APG-77 AESA radar
E205809
The AN/APG-77 is an advanced active electronically scanned array (AESA) radar system designed to give the F-22 Raptor superior long-range detection, tracking, and low-probability-of-intercept capabilities.
All labels observed (4)
| Label | Occurrences |
|---|---|
| AESA | 1 |
| AN/APG-77 AESA radar canonical | 1 |
| AN/APG-77(V)1 | 1 |
| AN/APG-77(V)2 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1844151 — 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: AN/APG-77 AESA radar Context triple: [F-22 Raptor, avionics, AN/APG-77 AESA radar]
-
A.
AN/TPY-2 radar
The AN/TPY-2 radar is a high-resolution, X-band, phased-array missile defense radar used for detecting, tracking, and discriminating ballistic missile threats.
-
B.
AN/APG-70
The AN/APG-70 is an advanced multi-mode pulse-Doppler radar system developed for modernized variants of the F-15 fighter to provide long-range air-to-air and air-to-ground targeting capabilities.
-
C.
AN/MPQ-65 radar
The AN/MPQ-65 radar is an advanced multifunction phased-array radar used in later variants of the Patriot air and missile defense system, providing improved target detection, tracking, and engagement capabilities over its predecessor.
-
D.
AN/MPQ-53 radar
The AN/MPQ-53 is a multifunction, phased-array fire control radar used to detect, track, and guide interceptors against aircraft and missile threats in the Patriot air defense system.
-
E.
AN/APG-63
The AN/APG-63 is a long-range, pulse-Doppler fire-control radar system developed by the United States for advanced air-to-air and air-to-ground targeting on fighter aircraft.
- 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: AN/APG-77 AESA radar Target entity description: The AN/APG-77 is an advanced active electronically scanned array (AESA) radar system designed to give the F-22 Raptor superior long-range detection, tracking, and low-probability-of-intercept capabilities.
-
A.
AN/TPY-2 radar
The AN/TPY-2 radar is a high-resolution, X-band, phased-array missile defense radar used for detecting, tracking, and discriminating ballistic missile threats.
-
B.
AN/APG-70
The AN/APG-70 is an advanced multi-mode pulse-Doppler radar system developed for modernized variants of the F-15 fighter to provide long-range air-to-air and air-to-ground targeting capabilities.
-
C.
AN/MPQ-65 radar
The AN/MPQ-65 radar is an advanced multifunction phased-array radar used in later variants of the Patriot air and missile defense system, providing improved target detection, tracking, and engagement capabilities over its predecessor.
-
D.
AN/MPQ-53 radar
The AN/MPQ-53 is a multifunction, phased-array fire control radar used to detect, track, and guide interceptors against aircraft and missile threats in the Patriot air defense system.
-
E.
AN/APG-63
The AN/APG-63 is a long-range, pulse-Doppler fire-control radar system developed by the United States for advanced air-to-air and air-to-ground targeting on fighter aircraft.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
active electronically scanned array radar
ⓘ
airborne fire-control radar ⓘ |
| belongsToCategory |
airborne electronic systems
ⓘ
military radar systems ⓘ |
| control | integrated with F-22 mission computer ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| dataOutput | tactical situation displays for pilot ⓘ |
| designedBy | Northrop Grumman for the F-22 program ⓘ |
| designedFor |
air superiority fighter missions
ⓘ
all-weather operation ⓘ |
| designedToEnhance |
first-look, first-shot, first-kill capability
ⓘ
survivability of F-22 Raptor ⓘ |
| designedToSupport |
beyond-visual-range engagements
ⓘ
network-centric warfare ⓘ stealth operations ⓘ |
| developer |
Northrop Grumman Electronic Systems
ⓘ
linked to:
Northrop Grumman
|
| employs |
electronically steered beams
ⓘ
solid-state transmit/receive modules ⓘ |
| feature |
air-to-air engagement support
ⓘ
air-to-ground mapping ⓘ electronic counter-countermeasures ⓘ ground moving target indication ⓘ high reliability solid-state transmit/receive modules ⓘ high-resolution synthetic aperture radar imaging ⓘ long-range target detection ⓘ low probability of intercept capability ⓘ multi-target tracking ⓘ rapid beam steering ⓘ track-while-scan capability ⓘ |
| hasVariant |
AN/APG-77(V)1
ⓘ
linked to:
AN/APG-77 AESA radar
AN/APG-77(V)2 ⓘ
linked to:
AN/APG-77 AESA radar
|
| integratedWith | F-22 Raptor avionics suite ⓘ |
| introducedForService | F-22 Raptor initial operational capability era ⓘ |
| manufacturer | Northrop Grumman ⓘ |
| mission |
detection and tracking of airborne threats
ⓘ
precision engagement of air and ground targets ⓘ |
| operatingEnvironment | fighter aircraft nose-mounted installation ⓘ |
| operator | United States Air Force ⓘ |
| optimizedFor | air-to-air combat ⓘ |
| programAssociation |
F-22 Raptor program
ⓘ
linked to:
Advanced Tactical Fighter program
|
| provides |
automatic target tracking
ⓘ
high-resolution ground mapping ⓘ situational awareness for F-22 pilots ⓘ |
| radarType | X-band radar ⓘ |
| role | primary fire-control radar for F-22 Raptor ⓘ |
| supportsWeapon |
AIM-120 AMRAAM
ⓘ
linked to:
AMRAAM air-to-air missile
AIM-9 Sidewinder ⓘ
linked to:
AIM-9 Sidewinder missiles
|
| technology | active electronically scanned array ⓘ |
| usedOnAircraft |
Lockheed Martin F-22 Raptor
ⓘ
linked to:
F-22 Raptor
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: AN/APG-77 AESA radar Description of subject: The AN/APG-77 is an advanced active electronically scanned array (AESA) radar system designed to give the F-22 Raptor superior long-range detection, tracking, and low-probability-of-intercept capabilities.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: AN/APG-77 AESA radar
subject linked to:
AN/APG-77 AESA radar
linked to: AN/APG-77 AESA radar
subject linked to:
AN/APG-77 AESA radar
linked to: AN/APG-77 AESA radar