Savoia-Marchetti SM.81 Pipistrello

E24615

bomber aircraft military aircraft transport aircraft tri-motor aircraft

The Savoia-Marchetti SM.81 Pipistrello was an Italian three‑engined bomber-transport aircraft widely employed during the 1930s and World War II.

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All labels observed (6)

Label	Occurrences
Savoia-Marchetti SM.81	10
Savoia-Marchetti SM.81 Pipistrello canonical	3
Savoia‑Marchetti SM.81	2
SIAI-Marchetti SM.81	1
SIAI-Marchetti SM.82	1
Savoia-Marchetti SM.81 (captured)	1

How this entity was disambiguated

This entity first appeared as the object of triple T112451 — 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: Savoia-Marchetti SM.81 Pipistrello
Context triple: [Regia Aeronautica, usedAircraft, Savoia-Marchetti SM.81 Pipistrello]

A. Savoia-Marchetti SM.79 Sparviero
The Savoia-Marchetti SM.79 Sparviero was a distinctive Italian World War II three-engined medium bomber and torpedo bomber, noted for its speed and extensive use in Mediterranean operations.
B. Macchi C.205 Veltro
The Macchi C.205 Veltro was a World War II Italian single-seat fighter aircraft renowned for its agility and performance, considered one of Italy’s best fighters of the era.
C. Fiat G.50 Freccia
The Fiat G.50 Freccia was an Italian World War II single-seat monoplane fighter aircraft that served as one of Italy’s first modern, all-metal frontline fighters.
D. Macchi C.202 Folgore
The Macchi C.202 Folgore was a World War II Italian fighter aircraft renowned for its agility, speed, and effectiveness against contemporary Allied fighters.
E. Fiat CR.42 Falco
The Fiat CR.42 Falco was an Italian single-seat biplane fighter aircraft of World War II, noted as one of the last operational biplane fighters used in front-line service.
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: Savoia-Marchetti SM.81 Pipistrello
Target entity description: The Savoia-Marchetti SM.81 Pipistrello was an Italian three‑engined bomber-transport aircraft widely employed during the 1930s and World War II.

A. Savoia-Marchetti SM.79 Sparviero
The Savoia-Marchetti SM.79 Sparviero was a distinctive Italian World War II three-engined medium bomber and torpedo bomber, noted for its speed and extensive use in Mediterranean operations.
B. Macchi C.205 Veltro
The Macchi C.205 Veltro was a World War II Italian single-seat fighter aircraft renowned for its agility and performance, considered one of Italy’s best fighters of the era.
C. Fiat G.50 Freccia
The Fiat G.50 Freccia was an Italian World War II single-seat monoplane fighter aircraft that served as one of Italy’s first modern, all-metal frontline fighters.
D. Macchi C.202 Folgore
The Macchi C.202 Folgore was a World War II Italian fighter aircraft renowned for its agility, speed, and effectiveness against contemporary Allied fighters.
E. Fiat CR.42 Falco
The Fiat CR.42 Falco was an Italian single-seat biplane fighter aircraft of World War II, noted as one of the last operational biplane fighters used in front-line service.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	bomber aircraft ⓘ military aircraft ⓘ transport aircraft ⓘ tri-motor aircraft ⓘ
armament	multiple defensive machine guns ⓘ
bombLoad	up to about 2000 kg of bombs ⓘ
countryOfOrigin	Kingdom of Italy ⓘ
crew	6 ⓘ
derivedFrom	Savoia-Marchetti SM.73 airliner ⓘ
engineConfiguration	three engines ⓘ
enteredService	1935 ⓘ
era	World War II period ⓘ linked to: World War II interwar period ⓘ
firstFlight	1934 ⓘ
fuselageConstruction	mixed wood-and-metal construction ⓘ
introduced	mid-1930s ⓘ
landingGear	fixed landing gear ⓘ
manufacturer	Savoia-Marchetti ⓘ
maximumSpeed	approximately 340 km/h ⓘ
nationality	Italian ⓘ
nickname	Pipistrello ⓘ
nicknameMeaning	Bat ⓘ
operatorType	military ⓘ
powerplantType	radial piston engine ⓘ
primaryUser	Regia Aeronautica ⓘ
range	approximately 2000 km ⓘ
role	bomber ⓘ transport ⓘ
serviceCeiling	approximately 7000 m ⓘ
status	retired ⓘ
usedAs	cargo transport ⓘ liaison aircraft ⓘ maritime patrol aircraft ⓘ night bomber ⓘ paratroop transport ⓘ troop transport ⓘ
usedBy	Aviazione Legionaria ⓘ Chinese Nationalist Air Force ⓘ linked to: Republic of China Air Force Italian Social Republic Air Force ⓘ Regia Aeronautica ⓘ Royal Hungarian Air Force ⓘ Spanish Air Force ⓘ
usedInConflict	Second Italo-Ethiopian War ⓘ Spanish Civil War ⓘ World War II ⓘ
usedUntil	World War II era ⓘ
wingConfiguration	low-wing monoplane ⓘ

How these facts were elicited