Tachikawa Ki-9 "Spruce"

E922557

Imperial Japanese Army aircraft biplane military trainer aircraft

The Tachikawa Ki-9 "Spruce" was an Imperial Japanese Army biplane trainer aircraft widely used before and during World War II for pilot instruction.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (2)

Label	Occurrences
Tachikawa Ki-9	2
Tachikawa Ki-9 "Spruce" canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T10798939 — 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: Tachikawa Ki-9 "Spruce"
Context triple: [Tachikawa Aircraft Company, designedAircraft, Tachikawa Ki-9 "Spruce"]

A. Tachikawa Ki-92
The Tachikawa Ki-92 was a late-World War II Japanese experimental long-range transport aircraft developed for the Imperial Japanese Army but never mass-produced.
B. Tachikawa Ki-94-II
The Tachikawa Ki-94-II was a late-World War II Japanese high-altitude interceptor prototype developed for the Imperial Japanese Army Air Service to counter American B-29 bombers but never reached operational service.
C. Tachikawa Ki-55
The Tachikawa Ki-55 was a Japanese World War II advanced trainer aircraft used primarily by the Imperial Japanese Army Air Service to prepare pilots for combat flying.
D. Tachikawa Ki-17
The Tachikawa Ki-17 was a Japanese Army primary trainer biplane used in the 1930s and early World War II to train military pilots.
E. Tachikawa Ki-106
The Tachikawa Ki-106 was a late-World War II Japanese experimental fighter, essentially a wooden-built variant of the Nakajima Ki-84 Hayate developed to conserve strategic materials.
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: Tachikawa Ki-9 "Spruce"
Target entity description: The Tachikawa Ki-9 "Spruce" was an Imperial Japanese Army biplane trainer aircraft widely used before and during World War II for pilot instruction.

A. Tachikawa Ki-92
The Tachikawa Ki-92 was a late-World War II Japanese experimental long-range transport aircraft developed for the Imperial Japanese Army but never mass-produced.
B. Tachikawa Ki-94-II
The Tachikawa Ki-94-II was a late-World War II Japanese high-altitude interceptor prototype developed for the Imperial Japanese Army Air Service to counter American B-29 bombers but never reached operational service.
C. Tachikawa Ki-55
The Tachikawa Ki-55 was a Japanese World War II advanced trainer aircraft used primarily by the Imperial Japanese Army Air Service to prepare pilots for combat flying.
D. Tachikawa Ki-17
The Tachikawa Ki-17 was a Japanese Army primary trainer biplane used in the 1930s and early World War II to train military pilots.
E. Tachikawa Ki-106
The Tachikawa Ki-106 was a late-World War II Japanese experimental fighter, essentially a wooden-built variant of the Nakajima Ki-84 Hayate developed to conserve strategic materials.
F. None of above. chosen

Statements (45)

Predicate	Object
instanceOf	Imperial Japanese Army aircraft ⓘ biplane ⓘ military trainer aircraft ⓘ
aircraftType	basic trainer ⓘ intermediate trainer ⓘ
airframeMaterial	mixed wood-and-metal construction ⓘ
category	1930s Japanese military aircraft ⓘ World War II Japanese trainer aircraft ⓘ
cockpitType	open cockpit ⓘ
configuration	two-seat ⓘ
countryOfOrigin	Empire of Japan ⓘ linked to: Imperial Japan
crew	2 ⓘ
era	World War II ⓘ
firstFlight	1935 ⓘ
introduced	mid-1930s ⓘ
landingGear	fixed tailwheel landing gear ⓘ
manufacturer	Tachikawa Aircraft Company ⓘ
NATOreportingName	Spruce ⓘ
notableFeature	widely used for pilot instruction in Japan ⓘ
operator	Imperial Japanese Army Air Force ⓘ linked to: Imperial Japanese Army Air Service Indonesian Air Force ⓘ Manchukuo Air Force ⓘ linked to: Manchukuo Imperial Air Force People's Liberation Army Air Force ⓘ linked to: Chinese Air Force Republic of China Air Force ⓘ Royal Thai Air Force ⓘ South Korean Air Force ⓘ linked to: Republic of Korea Air Force
powerplantType	radial piston engine ⓘ
primaryRole	pilot training ⓘ
propulsion	single-engine ⓘ
serviceBranch	Imperial Japanese Army Air Force ⓘ linked to: Imperial Japanese Army Air Service
status	retired ⓘ
timeInService	World War II period ⓘ linked to: World War II era pre–World War II period ⓘ
trainingLevel	basic ⓘ intermediate ⓘ
usedBeforeConflict	yes ⓘ
usedBy	Axis powers ⓘ
usedDuringConflict	World War II ⓘ
usedFor	aerobatic training ⓘ elementary flight training ⓘ formation flying training ⓘ instrument training ⓘ
usedInConflict	Pacific War ⓘ Second Sino-Japanese War ⓘ linked to: Sino-Japanese War (1937–1945)
wingConfiguration	biplane ⓘ

How these facts were elicited

Referenced by (3)

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

Tachikawa Aircraft Company → designedAircraft → Tachikawa Ki-9 "Spruce" ⓘ

Nakajima Kotobuki radial engine → usedIn → Tachikawa Ki-9 ⓘ

linked to: Tachikawa Ki-9 "Spruce"

Tachikawa Ki-107 → designedToReplace → Tachikawa Ki-9 ⓘ