Stadler FLIRT

Stadler FLIRT
Roel Hemkes from Amersfoort, Netherlands · CC BY 2.0 · source
Name	Stadler FLIRT
Manufacturer	Stadler Rail
Yearservice	2004
Formation	Multiple units
Operator	Various
Carbody	Aluminium

Stadler FLIRT is a family of multiple-unit passenger trains built by Stadler Rail for regional, intercity, commuter, and airport services across Europe, Asia, Africa, and the Americas. The design integrates lightweight Aluminium construction, modular traction systems, and interoperable components to meet specifications from agencies such as Deutsche Bahn, SBB CFF FFS, Polregio, ÖBB, and CFL. Development involved collaborations and procurement processes with transport authorities including Transport for London, Swiss Federal Railways, Norwegian State Railways, Estonian Railways, and regional operators like Metrolink (Los Angeles County).

Design and development

The project originated within Stadler Rail's engineering bureaux in Switzerland and involved partnerships with suppliers such as Siemens, Bombardier Transportation, ABB, Alstom, and Voith. Initial prototypes underwent testing at facilities including the Zurich Test Track, Velim Test Centre, and test routes used by SBB CFF FFS, Deutsche Bahn, and ČD (Czech Railways). Procurement contracts referenced standards from bodies like European Union Agency for Railways, UIC, EN 15227, and TÜV Süd. Design aims balanced requirements from authorities such as Transport for London, Transport for Greater Manchester, RATP, TCDD, and operators including PKP Intercity and SNCF to comply with crashworthiness, accessibility, and signalling systems such as ETCS, LZB, PZB, and national ATP systems used by ÖBB and DB Regio.

Technical specifications

Construction employs welded extruded Aluminium car bodies with components from manufacturers like Knorr-Bremse, Siemens Mobility, ABB, and Bombardier. Traction systems have been specified with asynchronous motors and IGBT inverters by suppliers including Siemens, Alstom, and ABB. Maximum speeds vary by contract, ranging from suburban 120 km/h to intercity 200 km/h, meeting requirements analogous to those in contracts with Deutsche Bahn, SBB CFF FFS, ÖBB, PKP Intercity, and Finnish Railways. Braking systems integrate Knorr-Bremse pneumatic control with regenerative braking compatible with infrastructure managed by Network Rail, SNCB/NMBS, and Nederlandse Spoorwegen. Bogies reference designs used by Bombardier, CAF, and Hitachi Rail, adapted to track gauges in countries such as Poland, Lithuania, Estonia, Sweden, and Spain.

Variants and adaptations

Variants include electric multiple units (EMU), diesel multiple units (DMU), bi-mode units, and tri-mode configurations ordered by EVR, VR Group, CFL, SBB, DB Regio, SNCB/NMBS, NS, and SBB GmbH. Regional adaptations satisfy climate and loading gauges for customers like SJ (Sweden), Norwegian State Railways (Vy), Croatian Railways, HŽPP, Lithuanian Railways, and Israel Railways. Airport and commuter adaptations were procured by Hamburger S-Bahn, Metrolink (Los Angeles County), RATP, and Transport for Wales with interior layouts tailored to operators including Cercanías Madrid, Milan Metro, Trenitalia, and SNCF TER. Specialised orders include gauge-converted and crash-certified units for projects with agencies such as Estonian Railways, Latvian Railways, Belarusian Railways, Metrorail (South Africa), and freight-passenger mixed traffic solutions for networks like Freightliner corridors and intermodal links serving ports administered by Port of Rotterdam and Port of Antwerp.

Operators and service history

Operators span national and regional entities: Deutsche Bahn, SBB CFF FFS, ÖBB, CFL, PKP Intercity, MÁV, HVV, VR Group, SJ (Sweden), NS, SNCB/NMBS, Czech Railways, Lithuanian Railways, Estonian Railways, Latvian Railways, Norwegian State Railways (Vy), Israel Railways, Trenitalia, SNCF, MÁV-Start, and private operators including Keolis, Arriva, Transdev, and Abellio. International leases and export deals involved ministries and transport agencies of Switzerland, Poland, Romania, Bulgaria, Portugal, Spain, Italy, United Kingdom, Ireland, Ukraine, Belarus, and Kazakhstan. Deployment included regional commuter corridors serving hubs like Zurich Hauptbahnhof, Berlin Hauptbahnhof, Warsaw Central Station, Oslo Central Station, Helsinki Central Station, Copenhagen Central Station, and urban interchanges managed by authorities such as Transport for Greater Manchester and Transport for London.

Incidents and safety record

Units have been subject to investigations by national agencies like the Federal Office of Transport (Switzerland), Polish Railway Accident Investigation Commission, Austrian Railway Safety Board, RAIB, and BEA-TT (France). Incidents ranged from level crossing collisions investigated under protocols similar to EN 15227 reporting, to derailments assessed by organisations such as RAI, BFU (Germany), and national prosecutors in Poland and Romania. Safety upgrades and retrofits referenced suppliers Knorr-Bremse, Siemens Mobility, and Alstom for improved crash energy management, door systems, and ETCS compatibility following incidents investigated by entities including Swiss Accident Investigation Board and Transport Accident Investigation Commission (New Zealand). Operators implemented measures in coordination with infrastructure managers like Network Rail, DB Netz, SBB Infrastructure, and Infrabel.

Category:Multiple units Category:Stadler Rail