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The Ariane 5 reused the code from the inertial reference platform from the Ariane 4, but the early part of the Ariane 5's flight path differed from the Ariane 4 in having higher horizontal velocity values. This caused an internal value BH (Horizontal Bias) calculated in the alignment function to be unexpectedly high.
The first flight of the Ariane V rocket self-destructed due to an overflow occurring during a floating-point to integer conversion in the on-board guidance software. The same software had been used successfully in the Ariane IV program, but the Ariane V produced larger values for some variable, causing the overflow. [31] [32]
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Rockets from the Ariane rocket family have accumulated 260 launches since 1979, 248 of which were successful, yielding a 95.4% success rate. The recently retired Ariane 5, flew 82 consecutive missions without failure between April 2003 and December 2017, but suffered a malfunction during flight VA-241 in January 2018, causing its two satellites to reach an incorrect orbit, and reducing their ...
The Ariane 5 ME (Mid-life Evolution) was in development into early 2015, and was seen as a stopgap between Ariane 5ECA/Ariane 5ES and the new Ariane 6. With first flight planned for 2018, it would have become ESA's principal launcher until the arrival of the new Ariane 6 version.
The Beechcraft plane took off from Santa Monica Airport at 5:57 p.m. on Tuesday and landed at Catalina Airport at 6:20 p.m., according to Flight Aware. Safai's wife told NBC4 that he was on board ...
At least eight cancer doctors who were heading to an oncology conference were among dozens killed in a plane crash in Brazil’s Vinhedo on Friday, an official has said.. The ATR 72 twin-engine ...
Only recently have Ariane 5 launches become as reliable as those of the predecessor model. This doesn't seem right. 3 failures in 107 launches is a 2.8% failure rate; 4 in 36 launches to date is 11.1% (or generously, counting only complete failures, 5.5%).