365 Days After Dana Crash: AIB Releases "Updated Report" The Accident Investigation Bureau [AIB] has released its first report on its investigation activities on last year’s crash of Dana flight 0992 in Lagos, with no conclusion regarding the cause of the incident. The report contains technical information concerning the flight schedule, altitude of the flight, geographical circumstance of the spot of crash, flight crew and last conversation of the pilots regarding the sudden loss of both engines and failure of throttles. The same information was made available last year in the preliminary report it issued few days after the crash and made available to a coroner making inquest on the crash in Lagos. AIB said its investigative activities have included “visual examination of the aircraft wreckage, review of maintenance records and other historical information of the aircraft, documentation of the training and experience of the flight crew, determination the chronology of the flight, review of recorded data, reconstructing the aircraft refueling, and collection of related fuel samples, and interviews of relevant personnel”. The investigation, AIB indicated, was only in compliance with standard recommendation of the International Civil Aviation Organization [ICAO], which requires it as, ‘State of Occurrence’, to institute the activity of enquiry into air accidents. The report, according to AIB spokesperson Tunji Oketunbi, was also in fulfillment of a requirement of the International Civil Aviation Organization which mandates that the public must be informed of the progress of an investigation 365 days after an air accident. The report is reproduced below: UPDATED REPORT ON DANA AIR 0992, 5N-RAM CRASH OF 03/06/2012 IN LAGOS On 3rd June 2012 about 15.45 hours, 5N-RAM, a Boeing MD-83, a domestic scheduled commercial flight, operated by Dana Airlines Limited as flight 992 (DAN 992), crashed into a densely populated area during a forced landing following a total loss of power in both engines while on approach to Murtala Muhammed Airport (LOS), Lagos, Nigeria. Visual meteorological conditions prevailed at the time and the airplane was on an instrument flight plan. All of the 153 persons aboard the airplane, including the 6 crew members were fatally injured. There were 10 confirmed ground fatalities. The airplane was destroyed. There was post impact fire. The flight originated at Abuja (ABV) and the destination was LOS. The airplane was on the fourth flight segment of the day, consisting of two round-trips between Lagos and Abuja. The accident occurred during the return leg of the second trip. DAN 992 was on final approach for runway 18R at LOS when the crew reported the total loss of power. According to interviews, the flight arrived in ABV as Dana Air flight 993 about 1350. According to Dana Air ground personnel, routine turn-around activities occurred, including refueling of the airplane. DAN 992 initiated engine startup at 1436, taxied to the runway and was later airborne at 1458 after the flight had reported that it had a fuel endurance of 3.5 hours. Shortly after takeoff, DAN 992 reported 1545 as the estimated time of arrival at LOS as the flight climbed to a cruise altitude of 26,000 ft. DAN 0992 made contact with Lagos Area Control Center at 1518 hours. The cockpit voice recorder (CVR) retained about 31 minutes of the flight and starts about 1515 at which time the captain and first officer were in a discussion of a non- normal condition regarding the correlation between the engine throttle setting and an engine power indication. However, they did not voice concerns then that the condition would affect the continuation of the flight. The flight crew continued to monitor the condition and became increasingly concerned as the flight transition through the initial descent from cruise altitude at 1522 and the subsequent approach phase. DAN 992 reported passing through 18,100 and 7,700 ft, respectively, at 1530 and 1540 hours. After receiving a series of heading and altitude assignments from the controller, DAN 992 was issued the final heading to intercept the final approach course for runway 18R. During the period of 1537 and 15:41 the flight crew engaged in pre-landing tasks including deployment of the slats, and extension of the flaps and landing gear. At 15:41:16 the first officer (FO) inquired,"both engines coming up?" and the captain (Capt) replied “negative.” The flight crew subsequently discussed and agreed to declare an emergency. At 1542:10, DANA 992 radioed an emergency distress call indicating "dual engine failure ...negative response from throttle." At 1542:35, the flight crew lowered the flaps further and continued with the approach and discussed landing alternatively on runway 18L. . . . . . . . . . . Read the full story online; http//:saharareporters
Posted on: Sat, 08 Jun 2013 09:56:05 +0000
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