Variants
- N2500
- Prototype powered by two Gnome et Rhône 14R 1600-hp engines, one built.
- N2501
- Production version for the French Air Force, powered by SNECMA-manufactured Hercules 739 radial piston engines with 2,068 PS each (1521 kW), five prototypes and 208 production aircraft built.
- Nord 2501A
- Civil transport version for UTA, fitted with two 1,650-hp (1230-kW) SNECMA 758/759 Hercules radial piston engines, four built later converted to N2502.
- Nord 2501D
- Production version for the German Air Force, replaced some systems components of the N2501 with their equivalent from German manufacturers, 186 built (25 French built and 161 German built).
- Nord 2501E
- The redesignation of one standard Nord 2501 for flight testing, the aircraft was used to test two Turbomeca Marbore II auxiliary turbojet engines.
- Nord 2501IS
- Replaced some systems components of the N-2501, 6 produced, purchased by the Israeli Air Force
- N-2501 Gabriel
- SIGINT/electronic warfare platforms, 8 produced, probably modified N-2501s; operated by the Armée de l'Air
- Nord 2501TC
- Nord 2501 modified for civil use by Transvalair, 3 produced
- Nord 2501
- Civil transport version for Air Algeria and Union Aéromaritime de Transport, powered by two 1650-hp Bristol Hercules 758/759 radial engines, plus two Turbomeca Marbore II auxiliary turbojet engines.
- Nord 2502A
- Civil transport version for Union Aéromaritime de Transport, powered by two Turbomeca Marboré II auxiliary turbojets and two 1650-hp Bristol Hercules 758/759 radial engines. Five built and two conversions from N2501A.
- Nord 2502B
- Civilian cargo transport version for Air Algeria, powered by two Turbomeca Marboré II auxiliary turbojets and two 1650-hp Bristol Hercules 758/759 radial engines. 2 conversions from N2501A and one built.
- Nord 2502C
- Civilian cargo transport version, similar to Nord 2502A/B. Intended for purchase by an Indian airline, only one prototype was built.
- Nord 2502F
- Militarized version of the Nord 2502 for Portuguese Air Force, 6 conversions.
- Nord 2503
- Re-engined version with two 1864-kW (2,500-hp) Pratt & Whitney R-2800-CB17 radial piston engines. One conversion from one of the Nord 2501 prototypes.
- Nord 2504
- Modification of the Nord 2502 intended for antisubmarine warfare training role with the French Navy, 24 ordered but only one built.
- Nord 2505
- Modified Nord 2502 intended for antisubmarine warfare, cancelled not built.
- Nord 2506
- Special modification of Nord 2502 to improve STOL performance and performance under heavy load for use as an assault transport, one conversion and one built.
- Nord 2507
- Modified Nord 2502 intended for search and rescue role, with 12-hour endurance or greater, never passed the planning stage.
- Nord 2508
- Modified Nord 2503, powered by two 1864-kW (2,500-hp) Pratt & Whitney R-2800-CB17 radial piston engines and two Turbomeca Marboré IIE auxiliary turbojets added; highly capable, but none were ordered; the prototypes were sold to German, one conversion and one built.
- Nord 2508B
- Cargo transport version of the N.2508.
- Nord 2509
- Unbuilt version. Not built.
- Nord 2510
- Unbuilt anti-submarine warfare version. Not built.
- Nord 2520
- Enlarged Nord 2502 with better cargo capacity, never passed the planning stage
Read more about this topic: Nord Noratlas
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