Why We Fly Sober

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    Maintenance or Magic?

    George’s Point of View

    The NTSB conducted a hearing investigating when American Flight 1400’s left engine caught fire during departure from Lambert-St. Louis International Airport. The Sept. 28, 2007 incident is blamed on aircraft maintenance, or more properly, the lack of aircraft maintenance.

    Ten days before the incident
    After the left engine would not start, six times the “start valve” was replaced. Now, after the fire, the issue is judged to be the fault of mechanics who failed to properly maintain a metal air filter that disintegrated. Filter loss led to a bent pin, which led to the valves being replaced, which caused the engine fire. So the kingdom falls for lack of a horse. Or a filter, in this case.

    Maintenance workers who don’t follow procedure can cause serious problems. In this case, the 143 passengers were unhurt.

    Yes, this is a maintenance issue. However, aircraft mechanics are not magicians. Is the real question here actually one of maintenance, or is it an overly optimistic assessment of mechanical life? Is management thinking that replacement cost is so prohibitive that planes must literally be run until they fall apart? Is it possible that the mechanics in this place would have recommended to replace that engine rather than repair what may not have been repairable?

    There is a real question here whether the maintenance crew is guilty of substandard work–or if they are simply at the bottom of the food chain, and destined to be the fall guys for someone at the top. In this tight economy, do airlines have irrational expectations of squeezing mileage out of exhausted equipment?

    The original incident:
    NTSB Identification: DCA07MA310
    Scheduled 14 CFR Part 121: Air Carrier operation of AMERICAN AIRLINES
    Accident occurred Friday, September 28, 2007 in St. Louis, MO
    Aircraft: McDonnell Douglas DC-9-82 (MD-82), registration: N454AA
    Injuries: 143 Uninjured.


    This is preliminary information, subject to change, and may contain errors. Any errors in this report will be corrected when the final report has been completed.

    On September 28, 2007, at 1316 central daylight time, a McDonnell Douglas DC-9-82 (MD-82), N454AA, operated by American Airlines as flight 1400, executed an emergeny landing at Lambert-St Louis International Airport (STL), St. Louis, Missouri, after the flight crew received a left engine fire warning during departure climb from the airport. The airplane sustained substantial damage. Visual meteorological conditions prevailed and an instrument flight rules flight plan was filed for the 14 CFR Part 121 scheduled domestic flight. After landing, the 2 flight crew, 3 flight attendants, and 138 passengers deplaned via airstairs and no occupant injuries were reported. The intended destination of the flight was Chicago O’Hare International Airport (ORD), Chicago, Illinois.

    Upon receiving the left engine fire warning during climb, the flight crew discharged the aircraft engine fire bottles into the affected engine. During the visual return and single-engine approach to the airport, the nose landing gear did not extend. The flight crew then extended the nose landing gear using the emergency landing gear extension procedure. The airplane returned and then landed on runway 30L (11,019 feet by 200 feet, grooved concrete) and was met by STL Airport Rescue and Fire Fighting Vehicles

    The NTSB identification number for this investigation was administratively changed from CHI07MA310 to DCA07MA310 on April 2, 2008.

    src: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20071005X01522&key=1

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    Fake Boeing Disaster at Harare Airport

    Although the head of Zimbabwe’s Civil Aviation Authority David Chawota confirmed with the BBC: “I can confirm that a 767 plane coming from London has had an accident at Harare airport,” the whole thing was a drill with paid actors.

    BBC’s Brian Hungwa reported seeing a large plume of smoke and helicopters over the runway.

    Apparently no one but a chosen few were informed it was a drill. Apparently seeing what the media would do was part of the Zimbabwe’s Civil Aviation Authority’s “exercise.”

    George’s Point of View

    Maybe I’m out of line here, but it seems to me a drill is supposed to test responses in-house.

    The fire drill at a school, for example, involves firemen arriving and evaluating the response time of those endangered.

    But if someone at the school sets off an alarm to see what would happen, or calls 911…they’re criminally liable. Okay, well maybe they were testing emergency services which for the CAA might be considered in house.

    But testing the media? Allowing the news to go out to the media that there was a disaster? As someone who deals with people suffering horrible loss from disasters that are real, this sounds more like a cruel joke than a drill. I wonder what the IATA and ICAO will have to say about this. At the very least, it is unethical.

    Chawota said “This was a usual drill for the period. We do this once every three years. This was for the benefit of our police personnel, security, aviation, medics, hospital — everyone was involved. This exercise helps the general preparedness of our facilities here.”

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  • Caution: Volcano Crossing

    George’s Point of View

    A disaster not in California…

    From June 12 to June 15, the Sarychev Peak on the Russian Kuril Islands erupted, causing air traffic disruptions between Northern American and Japan. The ash clouds are reaching “estimated heights of 45,000 feet.” (Danger zone for aviation from from E152 to W155 over a distance of 2000nm and N40 to N48).

    The dust clouds are drifting east and dispersing.

    Alaska Volcano Observatory

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    The Callous Abandonment of Air France Flight 447

    It’s difficult for me to comprehend why we cancelled earlier searches. I’m certain we do not have any new technology now that we didn’t already have 2 years ago. The subs used have been gradually fine-tuned, but not significantly in the past two years.

    It is common knowledge now that the Woods Hole Oceanographic Institute team, running a couple of AUVs (Autonomous Underwater Vehicle) Remus 6000’s were barely a week into the fourth search when they discovered the location of pieces of the wreckage of the fallen Airbus, flight 447 in an area thought of as an underwater “Himalayas”. Mike Purcell, Senior Engineer of the Woods Hole team, has attributed the discovery to the ability of the Remus being able to submerge to 6000 meters (which means being able to follow the underwater mountain range cliffs, ravines, and slopes); and to the decision to start close to the last known position of the plane.

    I do wonder why this was the fourth search; there should have been only one— a single search that continued until the wreckage was found.

    Maybe there is no correct time to be critical, and if I am critical, it is not of the search team who did a splendid, if not all but impossible job, in finding the wreckage. It is entirely the human effort that made the difference, because although the AUVs are autonomous, they are not truly intelligent. They had to be daily programmed, and with three units running, this means three times the (sonar) data had to be daily downloaded, processed and analyzed. The team learned how to deal with managing the challenging demersal topography, and reading the visual output which were sonar abstractions that look like etch-a-sketch scribbles. The expert on board analysts had 15 years of experience in interpreting this data.

    For the search team, I have only praise.

    My point of criticism is for the decision makers, and it is founded on behalf of concern for the families.

    We are hearing how well preserved the remains were, due to the temperature and water pressure. We are hearing about how only some of the remains were retrieved.

    Why only some?

    All the bereaved families should have the right to retrieve their loved ones. All of the families should have the right to place their loved ones in a known and tangible resting place.

    It is a chilling callousness on behalf of the planners to advise their team to knowingly leave behind even so much as a single hair, if that hair was known to be that of one of the victims. The decision betrays a chilling callousness; an act of deliberate abandonment. It reminds me of those all fallen into a “deep place…where the sun is silent”, in Dante’s hell. “Abandon all hope, all ye who enter here.”

    And now, we’re back to where we started, only worse. Many bodies were not recovered. Are they lost forever?

    I can all but guarantee you that the future holds some grisly Titanic/Disney-esque treasure-seeking macarbre (or sugared) revisitation of the tragic ground, private touring expeditions seeking out the latitude and longitude, with camera, wallet, and catching net in hand. Movie rights and treasure hunters-a marriage made in hell, or Hollywood.

    This is no Dante’s tale. For the bereaved families there will be no poetic justice. They will live knowing forever that their loved ones were found…came this close to being returned…and left behind, if not in the nine circles of hell, then across the oceans in that “deep place…where the sun is silent” and all hope abandoned.

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  • Memorial Day

    Happy Memorial Day weekend, everyone. It’s time honor those who made the ultimate sacrifice in service to our country, to gather together, to remember the ones who need remembering, to thank the ones who need thanking, and to pull out the barbecue tongs and feed everybody else.
    May 27, 2013

    “The secret of Happiness is Freedom, and the secret of Freedom, Courage.”
    Thucydides

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    Houston Tire Fire


    View Large at Airliners.net
    Contact photographer Mark Kopczak
    What: Southwest Airlines en route from New Orleans to Houston
    Where: HOUSTON, TEXAS at Hobby Airport
    When: May 12 Tuesday evening 8 pm
    Who: 47 passengers 5 crew
    Why: When a tire caught on fire after landing at Hobby Airport in Houston Texas, passengers debarked via emergency slide and waited on the runway for transport to the terminal. Several injuries were sustained on the slide. The fire occurred apparently because of a flat incurred on landing.

    George’s Point of View

    I know it’s unfair to pick on airline company that has gone way out on the limb to keep the price of flying low and fair, but, maintenance is a must, there can’t be any cost-savings in maintenance.

    Including the tires!

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