Notes by site owner:
“Ro” means “rocket” (in Navy nomenclature, this encompasses air-breathing jets, powder rockets, liquid rockets, etc.).
・”Hatsukaze Ro” is the Tsu-11 motorjet (Hatsukaze Rocket).
“Ta” means “turbine” (turbocharger).
“TR” means “turbine rocket” (turbojet).
July 1944
FY1944 Airplane Prototype (Remodeling) Plan
| Classifications | A = Unchanged B = Accept or Reject Depending on Situation C = Cancel Immediately D = Newly Added | |
| Aircraft Designation | Class. | Summary |
| Shiden Kai | A | Compare with Reppū and research its potential as a ship-based fighter. |
| Reppū | B | Produce if there is no prospect for a Shiden Kai ship-based fighter. |
| Jinpū | C | Succeeded by Shiden Kai. |
| Raiden | A | |
| Tenrai | A | |
| Reppū Kai | B | Compare with Tenrai and produce if Tenrai is inferior. |
| Shinden | A | } Continue due to need for 400kt plane (substitute for Me 163). |
| Senden | C | |
| Me 163 | D | Produced by Mitsubishi. |
| Tenrai Kai | D | Equipped with 2-stage 2-speed engine (special weapon). |
| Denkō | A | |
| Suisei Ta | A | Equipped with oblique gun. |
| Kyokkō | A | Use as a substitute for Ginga if speed is poor. Research equipping it with TR10. |
| Saiun | D | Modify some to night fighters depending on production situation. |
| Type 2 Ship-Based Recon Plane Ta | A | |
| Saiun Ta | A | No “Ta” for the time being due to production. Some used as ship-based planes. |
| Keiun | B | Prototype only 6 planes with 1T. If it is acceptable with 1P, cancel the Suisei. Research equipping it with TR30. |
| Ginga | A | Use Kyokkō-style armament. |
| Ginga Ro | D | Research and implement its equipment with Hatsukaze “Ro” and TR due to low high-speed acceleration. |
| Tenga | A | Make a prototype fighter-bomber by equipping and testing the Ginga with TR30. |
| Type 1 Land-Based Attacker Model 30 | A | Tail remodeling. Fuel tank remodeling. Equipped with “Ta”. |
| Renzan | A | |
| Renzan Kai | D | Takeoff assistance. Cruising range increase. |
| Suisei Model 12 | A | Improved protection. Research regarding Hatsukaze or powder “Ro”. May be canceled depending on situation of the Model 33. |
| Suisei Model 22 | A | Equipped with powder “Ro”. Research speed-increasing measures. |
| Ryūsei | A | Performance enhancement. |
| Wakusei | C | |
| Tōkai | A | Promote the twin-seat trainer. |
| Zuiun | A | Test catapult-launching without floats (research). Equipped with powder “Ro”. |
| Type 0 Sea-Based Recon Plane | A | Test catapult-launching without floats (research). |
| Seiran | A | |
| Type 0 Transport Plane | A | |
| Sōkū | A | |
| Sōkū Kai | B | Decide depending on situation of Sōkū. |
| Ryūsei Trainer | C | |