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El año 261 ( CCLXI) fue un año común comenzado en martes del calendario juliano, en vigor en aquella fecha. En el Imperio romano el año fue nombrado como el del consulado de Galieno y Tauro o, menos comúnmente, como el 1014 Ab urbe condita, siendo su denominación como 261 posterior, de la Edad Media, al establecerse el Anno ...
El prefijo +261 corresponde al código de país de Madagascar, un país ubicado en el océano Índico. El código de país es un número de dos dígitos asignado por la Unión Internacional de Telecomunicaciones, la cual es responsable de la asignación de números y códigos de países a nivel mundial.
Year 261 ( CCLXI) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Gallienus and Taurus (or, less frequently, year 1014 Ab urbe condita ).
261 ( two hundred [and] sixty-one) is the natural number following 260 and preceding 262. It has the prime factorization 3 2 ·29. Mathematical properties. There are six divisors of this number, the divisors being 1, 3, 9, 29, 87, and 261 itself. [1] 261 is a deficient number, since 1 + 3 + 9 + 29 + 87 = 129 < 261.
- Background
- Accident Flight
- Investigation
- Conclusions
- Aftermath
- In Popular Culture
- See Also
- External Links
Aircraft
The aircraft involved in the accident was a McDonnell Douglas MD-83, serial number 53077, and registered as N963AS. The aircraft was the 1995th airframe built as part of the DC-9/MD-80 family, manufactured on April 11, 1992, and delivered new to Alaska Airlines on May 27, 1992. The MD-83 was a longer-range version of the original MD-80 (itself an improved version of the DC-9) with higher weight allowanced, increased fuel capacity, and more powerful Pratt & Whitney JT8D-219engines. The aircraf...
Crew
The pilots of Flight 261 were both highly experienced aviators. Captain Ted Thompson, 53, had accrued 17,750 flight hours, and had more than 4,000 hours experience flying MD-80s.: 10–11 First Officer William "Bill" Tansky, 57, had accumulated 8,140 total flight hours, including about 8,060 hours as first officer in the MD-80.: 11 Thompson had flown for Alaska Airlines for 18 years and Tansky for 15; neither pilot had been involved in an accident or incident prior to the crash. Both pilots had...
Passengers
The five crew members and 47 of the passengers on board the plane were bound for Seattle. Of the remaining passengers, 30 were traveling to San Francisco; three were bound for Eugene, Oregon; and three passengers were headed for Fairbanks, Alaska.Of the passengers, one was Mexican and one was British, with all others being U.S. citizens. At least 35 occupants of Flight 261 were connected in some manner with Alaska Airlines or its sister carrier Horizon Air, including 12 people directly employ...
Alaska Airlines Flight 261 departed from Puerto Vallarta's Licenciado Gustavo Díaz Ordaz International Airport at 13:37 PST (21:37 UTC), and climbed to its intended cruising altitude of flight level 310 (31,000 feet or 9,400 m). The plane was scheduled to land at San Francisco International Airport (SFO). Sometime before 15:49 (23:49 UTC), the flig...
Wreckage recovery and analysis
The USS Cleveland (LPD-7)assisted in recovery operations. Using side-scan sonar, remotely operated vehicles, and a commercial fishing trawler, workers recovered about 85% of the fuselage (including the tail section) and a majority of the wing components. In addition, both engines, as well as the flight data recorder (FDR) and CVR were retrieved. All wreckage recovered from the crash site was unloaded at the Seabees' Naval Construction Battalion Center Port Hueneme, California, for examination...
Identification of passengers
Due to the extreme impact forces, only a few bodies were found intact, and none were visually identifiable. All passengers were identified using fingerprints, dental records, tattoos, personal items, and anthropologicalexamination.
Inadequate lubrication and end-play checks
The investigation then proceeded to examine why scheduled maintenance had failed to adequately lubricate the jackscrew assembly. In interviews with the Alaska Airlines mechanic at SFO, who last performed the lubrication, the task was shown to take about one hour, whereas the aircraft manufacturer estimated the task should take four hours. This and other evidence suggested to the NTSB that "the SFO mechanic who was responsible for lubricating the jackscrew assembly in September 1999 did not ad...
In addition to the probable cause, the NTSB found these contributing factors: 1. Alaska Airlines' extended its lubrication interval for its McDonnell Douglas MD-80 horizontal stabilizer components based on McDonnell Douglas's recommendation and the FAA approved the extended schedule. This increased the likelihood that a missed or inadequate lubrica...
After the crash, Alaska Airlines management said that it hoped to handle the aftermath in a manner similar to that conducted by Swissair after the Swissair Flight 111 accident. They wished to avoid the mistakes made by Trans World Airlines in the aftermath of the TWA Flight 800accident, in other words, TWA's failure to provide timely information an...
In the Canadian TV series Mayday, the flight was featured in the season-one (2003) "Cutting Corners" episode (called Air Emergency and Air Disasters in the U.S. and Air Crash Investigation in the U...The film drama Flight (2012) featured an airplane crash of an aircraft resembling an MD-83, which flies inverted and ultimately crash lands, though the film's version recorded just six fatalities (..."Alaska 261 After Action Report" (PDF). Ventura County Sheriff's Department.Alaska Airlines news reports about 261 (Archive)Aeropuerto Internacional Lic. Gustavo Díaz Ordaz, Puerto Vallarta, México. El vuelo 261 de Alaska Airlines fue un avión McDonnell Douglas MD-83 que sufrió un grave accidente el 31 de enero de 2000 en el océano Pacífico, 4.3 km al norte de la isla Anacapa en California ( Estados Unidos ).
UFC 261: Usman vs. Masvidal 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on April 24, 2021 at VyStar Veterans Memorial Arena in Jacksonville, Florida, United States.
