Japan Air System 451 flight landing accident accident

Japan Air System 451 flight landing accident accident(Nihon Air System 451 Bikkuraku Shibai Jiko) is caused by being in.

Japan Air System 451 flight

Japan Air System DC-9-41

- Event summary Date | Overview | Site | Number of passengers | 72 Number of passengers | 5 Number of injured people (Excluding dead) | 58 Death toll | 0 Number of Survivors | 77 (All) Model | Operator | (JAS) | JA 8448 Departure place | Via point | Destination |

Overview

Outline of accident machine

On the day of the accident, DC-9-41 operated as Japan Air System 451 (JA 8448 Production number: 47767/885) It was manufactured at Hana and registered in Japan in September. This DC - 9 - 41 aircraft was one of 22 aircraft that was introduced at that time from 1974 to 1979, and it was a body for domestic local routes.

Accident summary

On April 18, 1993, JA 8448 departed from Hanamaki airport, then headed for Nagoya airport (present), and was operated as a 451 flight back to Nagoya Hanazono. According to the schedule, it was planned to return from Hanamaki to New Chitose.

The flight departed from Nagoya at 11:38 in the morning, but the pilot was done (now age 27) instead of (51 years old then). The first officer had only five months since the promotion, only the rise, cruising, descent, and entry can be carried out under the in-house operating rules, landing was a violation of the operating regulations. Even in this case, if the captain was a route instructor, a flight instructor, or an inspection pilot, it was permitted to make all the maneuvering operations irrespective of the co-pilot's experience, but the captain of the aircraft is eligible for any qualification As well. The two flight crewmen operated the same shift the first day before, but they were also steering the co-pilot as well. The captain also went to the first Hanamaki airport landing.

The weather condition on the day of the accident was not good, and a strong wind notification was announced in the inland area where Hanamori Airport was located at 8 pm the previous day. Flight 451 tried to landing from Hanamaki airport to the south after about 1 hour flight. At that time, at the airport, the west wind was blowing at 10 m, the maximum instantaneous wind speed of 20 m, and from the aircraft to land it was a crosswind towards the strong wind. According to the operating rules of Japan Air System , DC - 9 had to avoid landing when there was crosswind with an average wind speed of 12.85 m or more and maximum 18.5 m or more, but the final decision was left to the captain 's discretion.

Flight 451 was descending while swinging the aircraft to the left or right, but (GPWS) "Sink A warning beep sounds at Rate (descent rate attention)! ", At 12:44 pm landing on the front of the usual landing point for Windsier, crashing from the right main wing next to it, runway Stopped on the north side of the runway meandering. The plane flew heavily damaged by this slide and fired from the right wing.

It was estimated that the vertical acceleration received by the aircraft during grounding exceeded 6 G (six times the gravity).

At this time, some passengers were taking pictures of the inside and outside of the aircraft for 1 minute and 40 seconds across the landing. According to this record, the appearance of passengers shouting due to the swinging of the aircraft just before landing and the appearance of passengers who are confused in the aircraft illuminated by fire flame.

He then tried to escape from the emergency, but the confusion of the passengers did not fit, the cabin attendants were trying to guide the passengers loudly, but the passengers to escape from the left wing front were extremely confused. Nevertheless, the elapsed time from the escape instruction to the completion of escape was 86 seconds, and there were no casualties caused by the fire. However, the engine was still operating during the emergency escape.

Thanks to this accident, a total of three passengers, one passenger and two passengers, were seriously injured, including cervical vertebra fractures, and a total of 55 people, including four crew members and 51 passengers, had cervical sprains, bruises, etc. He suffered minor injuries.

Hanamaki airport was closed due to the accident, and it was evening that the operation resumed.

It was believed to have occurred due to landing without adequate vigilance against the aircraft, the aircraft flames up and wrecks, causing serious injuries to 55 injured minor injuries.

Accident cause

According to the accident survey report, since the landing operation was carried out without sufficient preparation for the wind shear, and while being attacked by Wind Shea during the landing motion, the aircraft dropped beyond expectation and an injured person was generated, and the fire caused the fire It occurred that the aircraft was burned down.

footnote

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1. *Accident Investigation Report 17 pages 2. Accident Investigation Report 21 pages 3. ^ Accident Investigation Report 10 pages 4. *Accident Investigation Report 11 pages 5. ^ Accident Investigation Report 24 pages 6. Accident Investigation Report 4 pages

Reference material

|not only enumerate, please use, etc. Please cooperate with the article. (October 2012) — | —

1993 April reduced version
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Wikipedia Translation from Japanese to English

2018년 2월 27일 화요일