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Research paper example essay prompt: Aviationaerospace Psychology - 1361 words
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Aviation/Aerospace Psychology Eastern Flight 401 What really happened! By For Aviation/Aerospace Psychology MAS 634 Embry-Riddle Aeronautical University Extended Campus Fort Rucker, Alabama Resident Center March 2000 The following National Transportation Safety Board (NTSB) abstract indicates only one of the many reasons for the actual crash. Date: December 29, 1972 Type: Lockheed L-1011 Registration: N310EA Operator: Eastern Airlines Where: Miami, FL Report No. NTSB-AAR-73-14 Report Date: June 14, 1973 Pages: 45 An Eastern Air Lines Lockheed L-1011 crashed at 2342 eastern standard time, December 29, 1972, 18.7 miles west-northwest of Miami International Airport, Miami, Florida. The aircraft was destroyed. Of the 163 passengers and 13 crewmembers aboard, 94 passengers and 5 crewmembers received fatal injuries. Two survivors died later as a result of their injuries. Following a missed approach because of a suspected nose gear malfunction, the aircraft climbed to 2, 000 feet mean sea level and proceeded on a westerly heading.
The three flight crewmembers and a jumpseat occupant became engrossed in the malfunction. The National Transportation Safety Board determines that the probable cause of this accident was the failure of the flightcrew to monitor the flight instrument during the final 4 minutes of flight, and to detect an unexpected descent soon enough to prevent impact with the ground. Preoccupation with a malfunction of the nose landing gear position indicating system distracted the crew's attention from the instruments and allowed the descent to go unnoticed. As a result of the investigation of this accident, the Safety Board has made recommendations to the Administrator of the Federal Aviation Administration. This tragic accident was preventable by not only the flight crew, but maintenance and air traffic control personnel as well.
On December 29, 1972, ninety-nine of the one hundred and seventy-six people onboard lost their lives needlessly. As is the case with most accidents, this one was certainly preventable. This accident is unique because of the different people that could have prevented it from happening. The NTSB determined that "the probable cause of this accident was the failure of the flightcrew." This is true; the flight crew did fail, however, others share the responsibility for this accident. Equally responsible where maintenance personnel, an Air Traffic Controllers, the system, and a twenty cent light bulb.
What continues is a discussion on, what happened, why it happened, what to do about it and what was done about it. Maintenance personnel should have replaced a faulty indicator light bulb for the nose gear. The filament in the bulb was detached from one of the two mountings. That enabled the bulb to illuminate intermittently. When the maintenance personnel serviced the aircraft, they found the light was not working. As the mechanic was replacing the light bulb, it started working.
The mechanic assumed that the light was loose in the receptacle, believing the situation corrected itself when he pressed the lamp. Because of this, the faulty bulb was not replaced. An entry in the maintenance records indicated that the light was fixed. One could say that the mechanic should have been more thorough. However, the light was functioning when the maintenance personnel released the aircraft.
(Note. This device is (simply) pushed into, or pulled out of the instrument panel or receptacle to change the bulb. This design facilitates ease of bulb replacement.) There were significant animosities between labor and management at the time of this accident. Perhaps the maintenance personnel would have been more thorough if labor relations would have been more amiable. There are many factors that could have interfered with the maintenance personnel performing the repairs properly ranging from form personal problems to job satisfaction. If the employee was subjected any undo pressures or distractions the employees performance may have been affected. This pressure could stem from many areas such as working conditions, to experiencing marital, family, or health problems.
The laboratory was able to determine that the filament in this bulb was not burning at the time of impact. Additionally the flight crew had reported to Miami Air Traffic Control Tower that they had an unsafe gear indication. The aircraft made a low approach to enable the air traffic controllers working in the tower to peruse the landing gear for the flight crew. The sun was already below the horizon at the time of the low approach and the tower personnel were not able to ascertain if the landing gear was completely extended. Subsequently, the flight crew received the report of " . .
. gear appear to be down and locked," with emphasis on "appear!" Moreover, the controller further reported that because of the poor lighting it was difficult to tell if the gear was in the locked position. Even with perfect lighting controllers will give the same report. Controllers are repeatedly told the pilot is ultimately responsible for the aircraft. Because of this, controllers are hesitant to make any definitive statements about anything that is not backed up in a written regulation. The flight crew then requested authorization to maneuver or fly in a holding pattern to enable them to work out their problem.
The approach (radar) controller vectored the aircraft out over the Everglades, about twenty miles northwest of Miami Airport and instructed the aircraft to stay in a specific block of airspace. The controller was more concerned about the upper vertical limits of this airspace as opposed to the lower or horizontal limits. In this location, the aircraft would be free to maneuver under other arriving and departing air traffic. The Federal Aviation Administration (FAA) handbook 7110.65 contains guidance, rules, and standard phraseology used in the control of air traffic. As time progressed the controller, checked with the flight crew as he continued to work other traffic. Unfortunately, for the passengers and crew onboard this flight specific phraseology did not exist for the controller to use when he noticed the aircraft's altitude readout indicate a gradual descent. The aircraft had been flying around at two thousand feet for about twenty minutes, casually reporting their status periodically. After noticing the descent, the controller asked the flight crew: "Eastern 401, ah how are things coming along out there?" The crew responded "Okay, we'd like to turn around and come back in." The controller did not know that the altitude hold feature of the aircraft's autopilot had been inadvertently turned off.
Thirty seconds later the aircraft flew into the Everglades and disappeared from the Approach Control radar screen. The controller new something was amiss. However, an informal atmosphere had developed because the flight crew never declared an emergency and the controller was distracted with other duties he did not persist in inquiring about the aircraft's gradual descent. Additionally the controller believed that he was providing excellent service to the flight crew by providing the extra service the flight crew requested. Today controllers know to say: "(aircraft Identity) low altitude alert! Check your altitude immediately!" Some would say that the controller should have said something else to alert the flight crew of their descent. That is the reason for the new phraseology and an example of "Blood Priority".
Blood Priority can be defined as: Nothing regulatory speaking happens until after a dramatic accident occurs that receives media attention resulting in raised public outcry which prompts legislative action to correct the problem. The system failed in this case and many others because it is resistant to change. The resistance comes from human nature and avoidance of the costs involved with change. Low Altitude Alert and the prescribed phraseology are directly attributable to this accident. Low Altitude Alert is a capability of the radar and computer system monitoring aircraft altitudes in relation to a safe or minimum vectoring altitude (MVA).
Once an aircraft goes below the MVA an alarm sounds, the particular aircraft's identity data block is tagged with the letters "LA" all of which flashes on the radar displays in the controlling facility. The flight crew failed in many ways in allowing this flight to end in tragedy. This aircraft, the Lockheed L-1011 unitizes three flight-crewmembers pilot, co-pilot and flight engineer. All three flight-crewmembers became completely engrossed with what ultimately was determined to be a malfunctioning gear position indicating system. The pilot in command should have taken charge and appointed someone to monitor and fly the aircraft.
All flight crewmembers were negligent in not monitoring the status of the ...
Research paper topics, free essay prompts, sample research papers on Aviationaerospace Psychology