The CNES Spot 4 Earth Observation satellite was launched by Ariane 4 [Vol. 107] on March 24th, 1998.
This video contains technical footage of the launch as follows: toit portique, ouverture bras cryo, 125 i/s; tour ombilicale, plaque a clapets LO2, 250 i/s; tour ombilicale, plaque a clapets LH2, 250 i/s; toit portique, ensemble lanceur, 200 i/s; shelter sud, ombilicaux superiors, 100 i/s; shelter sud, omhbilicaux centraux, 100 i/s; shelter sud, ensemble desombilicaux, 100 i/s; shelter ouest, retombees des ombilicaux, 100 i/s; shelter est, comportement lanceur, 200 i/s; shelter ouest, allumage L220, 300 i/s; shelter nord, comportement lanceur, 200 i/s; shelter ouest, comportement lanceur, 200 i/s.

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