Supermarine Stranraer

E445606

The Supermarine Stranraer was a British twin-engine biplane flying boat used primarily for maritime patrol and reconnaissance duties in the late 1930s and early World War II.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (1)

Label Occurrences
Supermarine Stranraer canonical 3

Statements (49)

Predicate Object
instanceOf flying boat
military aircraft
patrol bomber
aircraftType biplane
airframeMaterial metal hull with fabric-covered wings
armament .303 in machine guns
bombs
depth charges
countryOfOrigin United Kingdom
crew 6
7
designer R. J. Mitchell NERFINISHED
engineConfiguration twin-engine
engineCount 2
engineType Bristol Pegasus X NERFINISHED
era early World War II
interwar period
firstFlight 1934
hullType boat hull
introduced 1937
landingGear water landing only
manufacturer Supermarine NERFINISHED
maximumSpeed about 165 mph
notableFeature long-range maritime capability
open gun positions
numberBuilt about 40
operationalUse North Atlantic patrols
coastal reconnaissance
convoy escort
operator No. 228 Squadron RAF NERFINISHED
No. 240 Squadron RAF NERFINISHED
No. 5 Squadron RCAF NERFINISHED
No. 9 Squadron RCAF NERFINISHED
powerplant 2 × Bristol Pegasus radial engines
primaryUser Royal Air Force
Royal Canadian Air Force NERFINISHED
productionStatus out of production
propulsion piston engine
range about 1,000 miles
retired 1946
role anti-submarine warfare aircraft
maritime patrol aircraft
reconnaissance aircraft
serviceCeiling about 17,000 ft
serviceEntryContext late 1930s
successor Short Sunderland NERFINISHED
tailConfiguration conventional tail
usedInConflict World War II
wingConfiguration biplane

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: Supermarine Stranraer
Description of subject: The Supermarine Stranraer was a British twin-engine biplane flying boat used primarily for maritime patrol and reconnaissance duties in the late 1930s and early World War II.

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Supermarine Southampton developedInto Supermarine Stranraer
No. 209 Squadron RAF aircraftOperated Supermarine Stranraer
No. 210 Squadron RAF aircraftUsed Supermarine Stranraer