Boeing Starliner Pad Abort Test Was Technically A Success - But ...

Keith's note: The pad abort test of Boeing Starliner was technically a success today. The system quickly removed the capsule from the danger zone and landed exactly as planned but one of the three main parachutes did not deploy. The NASA and Boeing TV announcers repeatedly commented that 2 deployed parachutes are within the safety requirements of the system, that this is all about redundancy, and that a safe landing could have happened with one parachute. But one of the three main parachutes failed to deploy. Given previous parachute problems, it is possible that additional testing will be required before Starliner who can be launched. Boeing was originally not planning to do a live broadcast of this test until NASA Administrator Bridenstine told them that they were going to do it.

Keith's update: NASA's post- test press release says "Two of three Starliner's main parachutes deployed just under half a minute into the test, and the service module separated from the crew module a few seconds later. Although designed with three parachutes, two opening successfully is acceptable for the test perimeters and crew safety."

However Boeing's post-test press release makes no mention whatsoever of the parachute failure. Its a good thing that Jim Bridnestine directed Boeing to televise the test - otherwise we might not have known about the chute failure.

Keith's second update: Boeing posted this update "Boeing statement regarding CST-100 Starliner pad abort test" saying "We will review the data to determine how all of the systems performed, including the parachute deployment sequence. We did have a deployment anomaly, not a parachute failure." This is typical aerospace post-event mumbo jumbo. No one knows what happened so it is called an "anomaly". I get that. But the parachute failed to deploy. We could all see that it failed to deploy. This update was not emailed to the same distribution list Boeing uses for press releases. Also, the earlier press release (that makes no mention of any parachute issues) is still online at Boeing. Anyone who sees this press release or the version sent out to the media may be totally unaware that the parachute failed to deploy on a vehicle designed to carry people.

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This page contains a single entry by Keith Cowing published on November 4, 2019 1:44 PM.

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