Boeing
stond ongelofelijk voor paal toen bekend werd gemaakt dat sommige
veiligheidssystemen van de nieuwe Boeing 737 Max optioneel waren, logisch immers je
speelt niet met de veiligheid van de inzittenden….. Makkelijk
gezegd, maar hetzelfde zie je bij automakers waar dit zelfs is
ingeburgerd, neem het ABS remsysteem om slippen te voorkomen, vanaf
het begin dat dit systeem werd geïntroduceerd in de 80er jaren, werd dit alleen
ingebouwd in de dure modellen van automerken…….
Nu
blijkt dat Boeing zelfs de VS luchtvaartautoriteit FAA en
luchtvaartmaatschappij Southwest Airlines, de grootste afnemer van het nieuwe
Boeing toestel, niet op de hoogte hebben gebracht dat een
veiligheidssysteem werd uitgeschakeld, een systeem dat standaard functioneerde en functioneert in de oude Boeing 737’s……
Het gaat hier om een veiligheidssysteem dat piloten moet waarschuwen voor het niet functioneren van
een belangrijke sensor, de ‘angle of attack’ (AOA) sensor, waardoor 2 van deze nieuwe toestellen volgens een aantal deskundigen neerstortten….. Anders gezegd: als
men dit wel had geweten waren de 2 rampen met nieuwe 737 Max 8 Boeings van Lion Air en 6 maanden later dat van Ethiopian Airlines, hoogstwaarschijnlijk te voorkomen
geweest……..
De
hoogste tijd dat we alle technologische producten voor het vervoer van personen uit de VS gaan
boycotten*, het ontbreekt in de VS aan gedegen inspecties, waar bedrijven zoals Boeing de afnemers zelfs in het ongewisse laat over zaken die iedere gebruiker
zou moeten weten….. Al is de FAA te verwijten dat het de Boeing 737 Max 8 bepaald niet grondig heeft onderzocht, voor toestemming tot ingebruikneming werd afgegeven…..
De FAA is meer te verwijten zoals het instaan voor de veiligheid van het toestel, terwijl daar al vraagtekens bij waren gezet…. Daarnaast werden bepaalde zaken voor de toestemming tot vliegen, niet door de FAA, maar door Boeing zelf gedaan (met toestemming van de FAA….)…
Wel moet gezegd worden dat ook de inspecties elders dan in de VS, zwaar te wensen overlaten, neem het meer dan lamme NVWA, dat zwaar onderbemenst haar taken voor een fiks deel verzaakt……
Eerder sprak ik al over de veiligheid van auto’s, waar je aan de terugroepacties van autofabrikanten (uit VS, EU, Japan en China) kan zien dat de gebreken die aan deze acties ten grondslag liggen, niet zelden mensen al het leven hebben gekost….*
Het
volgende artikel, waarin dieper op het probleem met de Boeing 737 Max wordt ingegaan, werd
geschreven door Tyler Durden, werd eerder gepubliceerd op ZeroHedge en door mij overgenomen van Anti-Media:
Boeing
Didn’t Tell Southwest or FAA That It Had Disabled Critical Safety
Alerts on 737 MAX
April
28, 2019 at 12:35 pm
Written
by Tyler
Durden
(ZH) — It
was a bad enough look for Boeing when reporters uncovered the
company’s decision to make some
safety features optional on
its 737 MAX 8s. Worse still that this decision was only made public
after the deadly crash of Ethiopian Airlines Flight 302 just minutes
after takeoff on March 10 – the second deadly crash involving the
plane in six months, which spurred regulators around the world to
ground the planes, erasing billions of dollars of Boeing market cap.
But
a report in the
Wall Street Journal published
on Sunday that neither Southwest Airlines nor
the FAA (Boeing’s
primary federal regulator) were aware that a safety feature intended
to alert pilots to a potentially malfunctioning ‘angle of attack’
sensor – in other words, a feature that might have prevented both
the crash of ET302 and the Oct. 29 crash of a 737 owned by Lion Air –
had been disabled on the new 737s is
simply staggering.
Not
only did Boeing disable the alerts, which would notify pilots when
the two sensors on the new 737 MAX 8s were reporting dramatically
different data, and make them part of a new ‘premium’ package of
safety features, but
the manufacturer somehow neglected to tell the airline and its
regulator that the alerts had been disabled. The
result was that Southwest never updated its safety manuals for pilots
to reflect the fact that the alerts had been disabled.
This
is particularly egregious because the 737 MAX 8s featured the new
MCAS anti-stall software which could be inadvertently triggered by
erroneous data being reported by a malfunctioning sensor. Indeed, the
preliminary findings from the investigation of the crash of Ethiopian
Airlines flight 302 found
that the misfire of the MCAS system effectively doomed all 157 people
on board that day.
Pilots
at Southwest and regulators at the FAA didn’t learn that the alerts
had been disabled until after the crash of the Lion Air flight, more
than a year after the new jets had gone into service.
Plane
maker Boeing Co. didn’t tell Southwest Airlines Co.
when the carrier began flying 737 MAX jets in 2017 that
a standard safety feature, found on earlier models and designed to
warn pilots about malfunctioning sensors, had been deactivated.
Federal
Aviation Administration safety inspectors and supervisors responsible
for monitoring Southwest, the largest MAX customer, were also unaware
of the change, according
to government and industry officials.
Boeing
had turned off the alerts which, in previous versions of the 737,
informed pilots if a sensor known as an “angle-of-attack vane”
was transmitting errant data about the pitch of a plane’s nose. In
the MAX, which featured a new automated stall-prevention
system called MCAS, Boeing made those alerts optional; they
would be operative only if carriers bought additional safety
features.
Southwest’s
cockpit crews and management didn’t know about the change for more
than a year after the planes went into service. They
and most other airlines operating the MAX globally learned about it
only after the fatal Lion Air crash last year led to scrutiny of the
plane’s revised design. The FAA office’s lack of knowledge about
Boeing’s move hasn’t been previously reported.
“Southwest’s
own manuals were wrong” about the status of the alerts, said
Southwest pilots union president, Jon Weaks. Since Boeing hadn’t
communicated the modification to the carrier, the manuals still
reflected incorrect information.
Perhaps
most stunning of all, once the FAA and Southwest learned that the
feature had been disabled, it set off a furor at the FAA that nearly
pushed it to recommend that all 737 MAX 8s be grounded until the
alerts had been turned back on. If the regulator had followed
through, it’s possible that the crash of ET302 might have been
averted.
Following the
Lion Air crash, Southwest asked Boeing to reactivate the alerts
on planes already in its fleet. This
move, along with questions about why they had been turned off,
prompted FAA inspectors overseeing Southwest to consider recommending
that the airline’s MAX fleet be grounded while
they assessed whether pilots needed additional training about the
alerts. Those internal FAA discussions, however, were brief and
didn’t go up the chain, according to documents reviewed by The Wall
Street Journal.
[…]
Less
than a month after the Lion Air jet went down, one FAA official wrote
that AOA-related issues on 737 MAX jetliners “may
be masking a larger systems problem that could recreate a Lion
Air-type scenario.”
Roughly
two weeks later, other internal emails referred to a “hypothetical
question” of restricting MAX operations with one message explicitly
stating: “It would be irresponsible to have MAX aircraft operating
with the AOA Disagree Warning system inoperative.” The same message
alluded to the FAA’s power: “We
need to discuss grounding [Southwest’s] MAX fleet until the AOA
Warning System is fixed and pilots have been trained” on
it and related displays.
The
email discussions, previously unreported, were fleeting red flags
raised by a small group of front-line FAA inspectors months before
the Ethiopian jet nose-dived last month. The concerns raised by the
FAA inspectors never progressed up the agency. Within days, they were
dismissed by some involved in the discussions who concluded that the
alerts provided supplemental pilot aids rather than primary safety
information, and therefore no additional training was necessary.
During that stretch and beyond, Boeing and the FAA continued to
publicly vouch for the aircraft’s safety.
Boeing
has never explained exactly why it decided to make these features
optional. In the wake of the second crash, the company apologized
profusely for this decision, and said that all safety features would
be made available on all jets once it finished the software update to
make MCAS less powerful, widely seen as an important prerequisite for
FAA and other regulators to lift their grounding order.
Without
a doubt, Sunday’s report is the most damning news about the federal
oversight of Boeing since reports that surfaced immediately after the
March 10 crash revealed just how much of the approval process for the
737 MAX 8 had been delegated to Boeing itself.
But
will either the FAA or Boeing be held accountable for this neglect?
That remains to be seen…
By Tyler
Durden /
Republished with permission / Zero
Hedge / Report
a typo
===================================
* Neem nogmaals de auto’s die in de VS worden gemaakt, het is al lang geen geheim meer dat de kwaliteit van deze auto’s ongelofelijk achteruit is gekacheld, waarmee deze auto’s ook vaker bij ongevallen zijn betrokken (althans zeker in de VS, waar dan ook het overgrote deel van dat wagenpark rondrijdt)……..
Zie ook:
‘Boeing verwacht in januari weer te vliegen met de 737 MAX‘
‘Tweede nieuwe Boeing 737 MAX stort neer, Tui vliegt door en weigert vergoeding bij annulering‘
‘Boeing Dreamliner stuk? De batterij, made in Rampunstan, is op! Ha! ha! ha! ha!‘ (dit is tevens het hele bericht)
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