Type K 6-seat SAR T
Engine 3 Wright Cyclone  GR 1820-F52 with Hamilton Type 3E 50-31, 3-bladed metal, constant speed, 3,50 meter diameter, 3 Bramo 323R-2 Fafnir  with 3-bladed VDM variable-pitch metal propellers
Dimensions Length 22,0 m , height 5,8 m ,  span 27 m , wing area  108 m2 , stabilizer 18,44 m² rudders 9,10 m² flaps 8,75 m² Length 22,05 m , height 5,75 m ,  span 27 m , wing area 108 m2  ,
Weights Empty 9200 kg , loaded  12400 kg, max. take off weight   8 Stummel tanks (2670 liter) and 2 wing tanks (1880 liter) totaling 4550 liter
Oil 3 tanks totaling 390 liter		 Empty 9400 kg, loaded 13700 kg , max. take off weight  18400 kg
Fuel  5,300 l  in two 1,000 l wing tanks and twelve small tanks in the sponsons
Performance Max.. speed 300 km/h , cruising speed  , range , endurance  , service ceiling 5100 m  , climb to 3000 m 10 min. 30 sec. Max.. speed  330 km/h at 2600 m, 290 km/h at sea level, cruising speed 295 km/h at 2600 m , range 2900 km, ferry range 4700 km , endurance  , service ceiling  7500 m , climb to 2000 m 6 min., to 4000 m 13 min. 12 sec.
Armament Three Colt-Browning 7,7 mm machineguns with 500 rounds each.
bombs 600  - 1200 kg		 1 20 mm ( Hispano HS.404 or MG151 autocannon in dorsal turret 1 7.92 mm  MG 15 machine gun in nose turret 1  7.92 mm  MG 15 machine gun in tail gun position Bombs: 1,200 kg  under the wings
Variants

Do 24 V1
Luftwaffe trials aircraft powered by three 450 kW (600 hp) Junkers Jumo 205C liquid-cooled diesel inline engines.[9]
Do 24 V2
Luftwaffe trials aircraft similar to V1
Do 24 V3
Dutch trials aircraft with three 660 kW (880 hp) Wright R-1820-F52 Cyclone air-cooled radial engines. Later became the first Do 24K-1, and was the first Do 24 to fly. Assigned serial X-1.
Do 24 V4
Second K-1 for Dutch trials, Assigned serial X-2.
Do 24K-1
Swiss production by Dornier & Dutch license production aircraft, 36 built. The German civil registration D-AYWI was allocated for these for their ferry flights to Holland from Dornier's production facility in Switzerland.
Do 24K-2
Dutch licence production powered by three 750 kW (1,000 hp) Wright R-1820-G102 Cyclone engines. 1 example completed by Dornier while 13 incomplete airframes were captured by the Germans, and modified for air-sea rescue with additional hatches and a hoist as 24N-1s.
Do 24N-1
13 incomplete Dutch Do 24K-2s being built in Holland completed for the Luftwaffe for air-sea rescue, powered by three 750 kW (1,000 hp) Wright R-1820-G102 engines. As supplies of spares for the R-1820s ran out, surviving aircraft were re-engined with 645 kW (865 hp) BMW 132N radials.
Do 24T-1
French production, 48 built
Do 24T-1
Dutch production for the Luftwaffe powered by three 750 kW (1,000 hp) BMW Bramo 323R-2 Fafnir radial engines, 159 built (including T-2 and T-3).
Do 24T-2
as Do 24T-1 with minor changes to equipment and weapons.
Do 24T-3
as Do 24T-1 with minor changes to equipment and weapons.
Do 24 ATT
Post-war restoration/amphibian conversion with three Pratt & Whitney Canada PT6A-45 turboprop engines, one converted.
Do 318
One Do 24T modified in 1944 with a boundary-layer control system.