Flight data acquisition system

The utility model belongs to the field of data acquisition systems, and particularly relates to a flight data acquisition system, which comprises an acquisition system main body and a connecting plate, positioning rods are mounted at four corners of the top of the acquisition system main body, positioning sleeves are mounted on the outer sides of the positioning rods, and waterproof covers are mounted at the tops of the positioning sleeves. A water baffle is installed on the front face of the collecting system body, a telescopic cover plate is installed below the water baffle, the connecting plate is installed at the end of the telescopic cover plate, limiting grooves are reserved in the upper side and the lower side of the telescopic cover plate, a fixing block is arranged on the outer wall of the connecting plate, and a fixing plate is arranged on the outer side of the fixing block; the water baffle can shield rainwater dripping downwards from the waterproof cover and prevent the rainwater from directly dri