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| CN-235 | |
|---|---|
| Name | CN-235 |
| Caption | CN-235 tactical transport |
| Role | Medium transport / maritime patrol |
| Manufacturer | CASA / Industria de Diseño Textil / Construcciones Aeronáuticas |
| First flight | 1983 |
| Introduced | 1988 |
| Status | In service |
CN-235 The CN-235 is a twin-engined medium-range twin-turboprop transport and maritime patrol aircraft developed in the 1980s by a partnership between Spanish Construcciones Aeronáuticas SA and Indonesian PT Dirgantara Indonesia. It has served in diverse roles including tactical transport, surveillance, search and rescue, medical evacuation, and electronic intelligence, seeing service with the Royal Air Force, Royal Malaysian Air Force, Indonesian Air Force, Turkish Air Force, and United States Customs and Border Protection among others. The design emphasizes ruggedness for austere airfields, flexibility for mission systems integration, and exportability to nations across Europe, Asia, Africa, and the Americas.
The CN-235 originated from joint efforts between Construcciones Aeronáuticas SA and PT Dirgantara Indonesia to produce a medium transport to compete with types like the Antonov An-26, CASA C-212, Dornier Do 228, and Fokker F27. Initial studies in the late 1970s led to the prototype's first flight in 1983, followed by certification programs involving agencies such as European Aviation Safety Agency and national authorities including Spanish Civil Aviation Authority and Directorate General of Civil Aviation (Indonesia). The airframe uses a high-wing configuration, rear ramp, and turboprops—powerplants comparable to General Electric CT7 family installations found on contemporaries like the C-27J Spartan—while avionics suites have been upgraded with systems by firms such as Northrop Grumman, Thales Group, Honeywell International, and Raytheon Technologies. Structural design incorporated lessons from programs like the Transall C-160 and materials experience from Airbus projects to balance payload, range, and short-field performance.
Manufacturers produced multiple models tailored for roles including civil transport, maritime patrol, and special missions. Notable variants include dedicated maritime patrol configurations akin to installations on P-3 Orion derivatives, electronic intelligence packages comparable to suites used on RC-135 platforms, and stretched or combi layouts similar in concept to variants of the Hawker Siddeley HS 748. Export and license-built versions were adapted for customers such as Pakistan, Nigeria, Chile, and Philippines National Police, with mission equipment sourced from contractors including Leonardo S.p.A., Elbit Systems, Indra Sistemas, and Cobham plc.
The CN-235 entered service in the late 1980s and quickly saw deployments across regional conflicts, humanitarian crises, and routine patrols. Units equipped with these types operated in theatres and contexts tied to organizations like United Nations peacekeeping missions, North Atlantic Treaty Organization logistics support, and domestic counter-narcotics operations coordinated with agencies such as United States Drug Enforcement Administration and INTERPOL. Nations used the type for disaster response in events like the 2004 Indian Ocean earthquake and tsunami and the 2010 Haiti earthquake. Operators adapted platforms for border surveillance missions similar in purpose to those performed by Lockheed P-3 Orion or ATR 72 maritime variants.
State and civil operators spanned continents: European operators included Spain and Turkey; Asian operators included Indonesia, South Korea, Malaysia, Pakistan, and Philippines; African operators included Nigeria and Namibia; Latin American users included Chile and Colombia; and North American operators included United States Customs and Border Protection. Military branches such as the Royal Air Force, Spanish Air and Space Force, Turkish Naval Forces, and Indonesian Navy employed the type alongside coast guard services like Korean Coast Guard and law enforcement agencies including Civil Police of Rio de Janeiro State in special cases.
Typical specifications for a CN-235 variant mirror medium twin-turboprop transports: twin turboprop engines similar to General Electric CT7 derivatives, cruising speeds comparable to the Lockheed C-130 Hercules regional derivatives, and payload-range performance enabling tactical airlift missions similar to those of the Transall C-160. Avionics and mission systems were supplied by companies such as Thales Group, Honeywell International, Rockwell Collins, and Garmin, while defensive aids and self-protection suites could include equipment from Elbit Systems and Leonardo S.p.A..
Throughout operational life the type experienced accidents and incidents involving operators such as Indonesian Air Force and civil operators in Spain and Malaysia, with causes investigated by national accident boards like National Transportation Safety Committee (Indonesia) and Accident Investigation Bureau (Spain). Investigations referenced procedures and standards from organizations including International Civil Aviation Organization and resulted in airworthiness directives coordinated with European Aviation Safety Agency and manufacturers.
Production was managed through cooperative arrangements between Construcciones Aeronáuticas SA and PT Dirgantara Indonesia, with licensing agreements and local assembly programs analogous to collaborations seen between Airbus and regional partners and licensing cases like the Lockheed Martin F-16 industrial cooperation models. Manufacturing supply chains drew on subcontractors across Europe and Asia, while export sales involved negotiation with defense ministries such as those of Spain, Indonesia, Turkey, and Pakistan. Continued support and upgrades have been provided by companies like Airbus Defence and Space, PTDI, Leonardo S.p.A., and independent maintenance organizations in countries including Chile and Colombia.
Category:Transport aircraft