FuG 220
E750009
FuG 220 was a German World War II airborne radar system used primarily by night fighters to detect and intercept enemy aircraft.
All labels observed (1)
| Label | Occurrences |
|---|---|
| FuG 220 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8668421 — 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: FuG 220 Context triple: [FuG 220 Lichtenstein SN-2 radar, designation, FuG 220]
-
A.
F-2
F-2 is a three-quarter-ton model in Ford’s first-generation postwar F-Series pickup truck lineup, positioned between the lighter F-1 and heavier F-3 trucks.
-
B.
FFG-7
FFG-7 is the hull classification symbol for USS Oliver Hazard Perry, the lead ship of the Oliver Hazard Perry-class guided-missile frigates of the United States Navy.
-
C.
Swift F.2
The Swift F.2 was an early production fighter variant of the British Supermarine Swift jet, featuring improved armament and performance over the initial models.
-
D.
Meteor F.8
The Meteor F.8 was a late-model British jet fighter developed from the Gloster Meteor line, featuring improved performance and handling and serving widely with the Royal Air Force in the early Cold War era.
-
E.
F-7
The F-7 was a heavy-duty model in Ford’s first postwar “Bonus-Built” truck lineup, positioned above the light-duty F-1 and mid-range F-2/F-3 models.
- 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: FuG 220 Target entity description: FuG 220 was a German World War II airborne radar system used primarily by night fighters to detect and intercept enemy aircraft.
-
A.
F-2
F-2 is a three-quarter-ton model in Ford’s first-generation postwar F-Series pickup truck lineup, positioned between the lighter F-1 and heavier F-3 trucks.
-
B.
FFG-7
FFG-7 is the hull classification symbol for USS Oliver Hazard Perry, the lead ship of the Oliver Hazard Perry-class guided-missile frigates of the United States Navy.
-
C.
Swift F.2
The Swift F.2 was an early production fighter variant of the British Supermarine Swift jet, featuring improved armament and performance over the initial models.
-
D.
Meteor F.8
The Meteor F.8 was a late-model British jet fighter developed from the Gloster Meteor line, featuring improved performance and handling and serving widely with the Royal Air Force in the early Cold War era.
-
E.
F-7
The F-7 was a heavy-duty model in Ford’s first postwar “Bonus-Built” truck lineup, positioned above the light-duty F-1 and mid-range F-2/F-3 models.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
German military equipment
ⓘ
World War II radar ⓘ airborne radar system ⓘ |
| alignment | Axis powers NERFINISHED ⓘ |
| associatedWith |
German air defense against Allied bombers
ⓘ
German night air defense system ⓘ |
| category |
airborne military radar
ⓘ
military electronics ⓘ |
| countryOfOrigin | Nazi Germany ⓘ |
| deploymentMode | fixed installation on aircraft nose or airframe ⓘ |
| designedFor |
locating enemy bombers
ⓘ
operations in darkness ⓘ operations in poor visibility ⓘ |
| detectionCapability | air-to-air target detection ⓘ |
| era |
World War II
ⓘ
surface form:
World War II era
|
| historicalSignificance | contributed to effectiveness of German night fighters ⓘ |
| historicalUse | combat operations over Europe ⓘ |
| introducedInPeriod | early 1940s ⓘ |
| militaryBranch | German Air Force (Luftwaffe) NERFINISHED ⓘ |
| operatedBy | radar operator ⓘ |
| operatingEnvironment | airborne ⓘ |
| operationalRole | airborne early warning and control support ⓘ |
| partOf | Luftwaffe radar equipment inventory ⓘ |
| platformType | fighter aircraft ⓘ |
| primaryUser | Luftwaffe NERFINISHED ⓘ |
| status | obsolete ⓘ |
| tacticalPurpose |
interception guidance
ⓘ
night air defense ⓘ |
| technologyType | radio detection and ranging ⓘ |
| typicalPlatform |
Heinkel He 219 night fighter
NERFINISHED
ⓘ
Junkers Ju 88 night fighter NERFINISHED ⓘ Messerschmitt Bf 110 night fighter NERFINISHED ⓘ |
| usedAgainst |
Allied bombers
ⓘ
Royal Air Force bombers ⓘ United States Army Air Forces bombers ⓘ |
| usedBy |
German night fighters
ⓘ
German twin‑engine fighters ⓘ |
| usedFor |
airborne interception
ⓘ
detection of enemy aircraft ⓘ night fighting operations ⓘ |
| usedInConflict | World War II ⓘ |
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: FuG 220 Description of subject: FuG 220 was a German World War II airborne radar system used primarily by night fighters to detect and intercept enemy aircraft.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.