Japan Air System
was the smallest of the big three Japanese airlines. In contrast to the other two, JAL and ANA, JAS' international route network was very small, but its domestic network incorporated many smaller airports that were not served by the two large ...
flight
Flight or flying is the process by which an object moves through a space without contacting any planetary surface, either within an atmosphere (i.e. air flight or aviation) or through the vacuum of outer space (i.e. spaceflight). This can be a ...
Nagoya
is the largest city in the Chūbu region, the fourth-most populous city and third most populous urban area in Japan, with a population of 2.3million in 2020. Located on the Pacific coast in central Honshu, it is the capital and the most po ...
New Chitose Airport
is an international airport located south-southeast of Chitose and Tomakomai, Hokkaidō, Japan, serving the Sapporo metropolitan area. By both traffic and land area, it is the largest airport in Hokkaidō.
It is adjacent to Chitose Air Ba ...
in
Sapporo
( ain, サッ・ポロ・ペッ, Satporopet, lit=Dry, Great River) is a city in Japan. It is the largest city north of Tokyo and the largest city on Hokkaido, the northernmost main island of the country. It ranks as the fifth most populous cit ...
,
Hokkaido Prefecture
is Japan's second largest island and comprises the largest and northernmost prefecture, making up its own region. The Tsugaru Strait separates Hokkaidō from Honshu; the two islands are connected by the undersea railway Seikan Tunnel.
The ...
, with a stopover at
Hanamaki Airport
or Iwate-Hanamaki Airport is a regional airport located north-northeastAIS Japan of the city of
Hanamaki
is a Cities of Japan, city in Iwate Prefecture, Japan. , the city had an estimated population of 94,691, and a population density of 100 persons per km², in 37,773 households. The total area of the city is . Hanamaki is famous as the birthplace ...
, Iwate Prefecture. On April 18, 1993, the Douglas DC-9-41 operating the flight crashed while landing at Hanamaki Airport.
The aircraft suddenly lost a significant amount of airspeed as it crossed the boundary line of a passing
cold front
A cold front is the leading edge of a cooler mass of air at ground level that replaces a warmer mass of air and lies within a pronounced surface trough of low pressure. It often forms behind an extratropical cyclone (to the west in the Northern ...
, and encountered resultant
windshear
Wind shear (or windshear), sometimes referred to as wind gradient, is a difference in wind speed and/or direction over a relatively short distance in the atmosphere. Atmospheric wind shear is normally described as either vertical or horizonta ...
while on
final approach
In aeronautics, the final approach (also called the final leg and final approach leg) is the last leg in an aircraft's approach to landing, when the aircraft is lined up with the runway and descending for landing.Crane, Dale: ''Dictionary of ...
hard landing
A hard landing occurs when an aircraft or spacecraft hits the ground with a greater vertical speed and force than in a normal landing.
Landing is the final phase in flight, in which the aircraft returns to the ground. The average vertical s ...
. The plane then skidded off the
runway
According to the International Civil Aviation Organization (ICAO), a runway is a "defined rectangular area on a land aerodrome prepared for the landing and takeoff of aircraft". Runways may be a man-made surface (often asphalt, concre ...
.
All 72 passengers and five crew members survived, with 19 people sustaining injuries. The aircraft caught fire as the passengers evacuated; it was destroyed and
written off
A write-off is a reduction of the recognized value of something. In accounting, this is a recognition of the reduced or zero value of an asset. In income tax statements, this is a reduction of taxable income, as a recognition of certain expenses ...
Chicago Sun-Times
The ''Chicago Sun-Times'' is a daily newspaper published in Chicago, Illinois, United States. Since 2022, it is the flagship paper of Chicago Public Media, and has the second largest circulation among Chicago newspapers, after the ''Chicago ...
''. Page 20. April 19, 1993. Retrieved on December 24, 2008.
Aircraft Accident Investigation Commission
The Aircraft Accidents Investigation Commission (AAIC, 航空事故調査委員会 ''Kōkūjiko chōsa iinkai'') was a government agency of Japan which investigated aviation accidents and incidents. It was subordinate to the Ministry of Transport, ...