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Empire of Japan / World War II

Aichi M6A Seiran

A folding-wing floatplane attack aircraft developed for launch from Japan’s I-400-class submarines.

Archive ID: afm_0000288
Aichi M6A Seiran, shown in the selected representative source image.wanderingYew2 / Wikimedia Commons · CC BY 2.0Image source

A folding-wing floatplane attack aircraft developed for launch from Japan’s I-400-class submarines.

Primary roleAttack
First flight1943
Service entry1945
OriginEmpire of Japan
ManufacturerAichi Kokuki
Documented variants1
Crew modeCrewed
AirframeFixed Wing

Development

Aichi M6A Seiran was developed by Aichi Kokuki in Empire of Japan as a attack aircraft. The family first flew in 1943 and entered service in 1945. Its recorded airframe configuration is fixed wing, with the family classified in the archive as core combat-aircraft scope.

Operational History

Operationally, Aichi M6A Seiran is represented primarily in the attack aircraft role. The sourced variant records include service with Imperial Japanese Navy Air Service. The current structured record does not attach a specific conflict authority to this family; operational context remains limited to sourced service and role data. Role tags attached to the family include anti ship.

Variants and Lineage

Major variants represented in the structured record include M6A1 Seiran.

Variants

DesignationTypeRoleRecorded operators
M6A1 SeiranProductionAttackImperial Japanese Navy Air Service

Representative specifications

Configuration-specific profiles are shown separately so values from different variants are not blended into one false “standard” aircraft.

M6A1 Seiran

M6A1 Seiran — C012 baseline technical profile

Crew
2

Powerplant: 1 × Aichi Atsuta liquid-cooled piston engine

Armament: Designed to carry a torpedo or bomb for submarine-launched strike missions.

Sources and further reading

Structured references supporting this aircraft family, variants, specifications, and narrative sections.

  1. Japanese Aircraft of the Pacific War — Putnam · Tier 3