Blohm & Voss Ha 138
E251121
World War II aircraft
flying boat
maritime patrol aircraft
military aircraft
reconnaissance aircraft
The Blohm & Voss Ha 138 was a German World War II twin-engine maritime reconnaissance flying boat used primarily for long-range patrol and convoy escort duties.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Blohm & Voss Ha 138 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1329141 — 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: Blohm & Voss Ha 138 Context triple: [BMW 132, usedInAircraft, Blohm & Voss Ha 138]
-
A.
Blohm & Voss Ha 139
The Blohm & Voss Ha 139 was a German long-range transatlantic mail-carrying seaplane developed in the late 1930s.
-
B.
Arado Ar 196 seaplane
The Arado Ar 196 seaplane was a German World War II shipboard reconnaissance floatplane widely used by the Kriegsmarine for scouting, patrol, and maritime operations.
-
C.
Junkers W 34
The Junkers W 34 is a German single-engine transport and utility aircraft from the late 1920s and 1930s, widely used for civil and military purposes and notable for setting several aviation records.
-
D.
Heinkel He 277
The Heinkel He 277 was a proposed German long-range heavy bomber design of World War II, intended as part of the Luftwaffe’s strategic bombing efforts but never produced in significant numbers.
-
E.
Heinkel He 177
The Heinkel He 177 was a German long-range heavy bomber of World War II, notable for its troubled development, engine reliability issues, and limited operational success.
- 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: Blohm & Voss Ha 138 Target entity description: The Blohm & Voss Ha 138 was a German World War II twin-engine maritime reconnaissance flying boat used primarily for long-range patrol and convoy escort duties.
-
A.
Blohm & Voss Ha 139
The Blohm & Voss Ha 139 was a German long-range transatlantic mail-carrying seaplane developed in the late 1930s.
-
B.
Arado Ar 196 seaplane
The Arado Ar 196 seaplane was a German World War II shipboard reconnaissance floatplane widely used by the Kriegsmarine for scouting, patrol, and maritime operations.
-
C.
Junkers W 34
The Junkers W 34 is a German single-engine transport and utility aircraft from the late 1920s and 1930s, widely used for civil and military purposes and notable for setting several aviation records.
-
D.
Heinkel He 277
The Heinkel He 277 was a proposed German long-range heavy bomber design of World War II, intended as part of the Luftwaffe’s strategic bombing efforts but never produced in significant numbers.
-
E.
Heinkel He 177
The Heinkel He 177 was a German long-range heavy bomber of World War II, notable for its troubled development, engine reliability issues, and limited operational success.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
World War II aircraft
ⓘ
flying boat ⓘ maritime patrol aircraft ⓘ military aircraft ⓘ reconnaissance aircraft ⓘ |
| aircraftCategory |
patrol flying boat
ⓘ
seaplane ⓘ |
| aircraftDesignation | Ha 138 ⓘ |
| armament |
bombs
ⓘ
cannon ⓘ depth charges ⓘ machine guns ⓘ |
| conflict | World War II ⓘ |
| countryOfOrigin | Germany ⓘ |
| crew | 5 ⓘ |
| designedBy | Richard Vogt ⓘ |
| engineConfiguration | twin-engine ⓘ |
| engineType | inline diesel piston engine ⓘ |
| enteredService | 1939 ⓘ |
| era |
1930s
ⓘ
1940s ⓘ |
| firstFlight | 1938 ⓘ |
| hullType | boat hull ⓘ |
| manufacturer | Blohm & Voss ⓘ |
| maximumSpeed | 275 km/h ⓘ |
| notableFeature | diesel-powered engines for extended range ⓘ |
| numberBuilt | 73 ⓘ |
| operator | Germany ⓘ |
| powerplant | 2 × Junkers Jumo 205 diesel engines ⓘ |
| primaryTheater |
Atlantic Ocean
ⓘ
North Sea ⓘ |
| range | 4,300 km ⓘ |
| retired | 1945 ⓘ |
| role |
convoy escort
ⓘ
long-range patrol ⓘ maritime reconnaissance ⓘ |
| serviceBranch | German Air Force ⓘ |
| serviceCeiling | 5,000 m ⓘ |
| status | retired ⓘ |
| successor | Blohm & Voss BV 138 ⓘ |
| tailConfiguration | twin-tail ⓘ |
| usedBy | Luftwaffe ⓘ |
| usedFor |
anti-submarine warfare
ⓘ
convoy protection ⓘ sea reconnaissance ⓘ |
| wingConfiguration | high-wing ⓘ |
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: Blohm & Voss Ha 138 Description of subject: The Blohm & Voss Ha 138 was a German World War II twin-engine maritime reconnaissance flying boat used primarily for long-range patrol and convoy escort duties.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.