List of modifications made to L'Esprit d'Intertechnique 1997 for this flight Installation of a standard, slung ferry tank equipped with an in-flight refueling device, essentially made up of a reel containing a 13m long tube that can be reeled out and back, plus a transfer pump to the main tank onboard the helicopter. Specific radio and video equipment consists of : two VHF and marine band transceivers HF radio-altimeter M standard transceiver for satellite voice communications and fixed images C standard transmitter providing the GPS position 2 GHz video transmitter 1-25 GHz video transmitter SARSAT distress beacon on liferaft Additional modifications include: Standard emergency flotation gear An Arriel 2 engine, SIN 003 A standard second battery kit, modified to be used as an emergency electric power system in case of failure of the electrical generation system. An additional instrument panel at the copilot's station A fuel consumption measurement unit from Faure Herman An SFIM T31 autopilot limited to two pitch and roll flight control axes