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Airport were good.
“The seat belt signs were illuminated during the flight, and buffeting had begun during
the descent. Just before landing there was a strong shake, and just as I was thinking we
would go around, I felt some ‘G’ force. We had pitched up, the engines had started to
spool up, and just as I thought we had started to climb I heard the sound of a ‘bang’. I
thought the second landing went smoothly. In the same day, I returned to Tokyo, I felt a
sense of incongruity of my waist, next day my waist and neck became painful.
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(3) Statements of The CA seated at the aft cabin R4 crew seat
“I fastened my seat belt and shoulder-harness during the approach. I felt some
sideways buffet, but no up/down motions. Just before we touched down, I felt we hit
something below where I was sitting. It felt as though I were being hit by the seat, since
the cabin attendant’s seats are hard. I felt my head-ache. After we had recovered from
the go-around, there was an announcement from a CA in the forward cabin. And then,
there was also an announcement from the Captain.
“There was buffeting the second time approach as well, but it was a normal landing.”
2.1.2.3 Statements of eyewitnesses
(1) Statements of Hakodate Tower ATC Controller
“After a commuter aircraft landed on runway 12 at 12:38, there were no other arrivals
until the accident took place. At that time the aircraft was at 4–5nm on finals, and while
I could see it from an altitude of 1,400–1,500ft, it was blurred due to slanting rain. It was
a normal approach up until it passed over the approach lights.
“Just when I thought it was on the verge of landing, the nose came up abruptly and I
felt it had landed on its tail, but it transited to go-around at that attitude. I think the
wind value measured over a two minute interval at that time was a direction of 130–140°
and a speed of 28–30kt with maximum of about 38kt.
“Two other aircraft landed in the time till the accident aircraft landed again. I thought
that each of these three landings, including the second landing of the accident aircraft
and the two other aircraft, were almost normal albeit a little unsteady.”
(2) Statements of Employee of the Aviation Safety Institute of Hakodate airport
“I left the front of the Fire Station at 1 p.m., and drove along the perimeter road toward
runway 12. I didn’t think it was rained heavily, but I felt the wind swirling and hitting
strongly from the side. While I was driving just alongside the touch down zone of runway
12, I saw flight 391 descending above the approach lights. At that time the wings rolled
as if being hit by a gust of wind, and the aircraft sank. I thought it was coming down
pretty close, and at that instant a splash of water was thrown off the runway, in the
midst of which I could see yellow smoke. When I could see the aircraft again after the
splash had fallen, I saw that it had started to climb. I thought from the climb angle of the
fuselage at the time that the tail had scraped.”
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2.2 Deaths, Missing Persons and Injuries
The CA who had been seated on seat R4 in the rear of the cabin complained of
abnormalities of the head stricken from just after the accident. And a further two CAs were
diagnosed as having minor injuries as the result of examinations by a doctor on the day after
the accident. A total of three CAs of those aboard the aircraft were found to have sustained
minor injuries.
There were no injuries on passengers.
2.3 Damage to Aircraft
2.3.1 Extent of Damage
Substantial
2.3.2 Damage to Aircraft by Part
(1) Skin
Skin panels on the lower part of the aft fuselage were abraded to an extent of around
4.6m in length and a maximum width of around 80cm.
(2) Frames and Stringers
There was deformation of the ten frames (#63-#72) associated with the skin panels on
which abrasions were found, and seven of these (#63, #65-#70) were found to have cracks.
Four stringers that cross the cracked frames (stringer #: S41R-S39L) were also deformed.
(3) Aft Pressure Bulkhead
Cracks were found in two locations on the lower part of the aft pressure bulkhead.
(4) Floor Beams
A crack was found on the aft part of a floor beam of the aft cargo compartment.
2.4 Damage to Other than the Aircraft
Markings with a width of approximately 80cm were found on the runway at Hakodate
Airport, thought to have been left by the contact of the lower surface of the aft fuselage of
the accident aircraft. These started at a point 14.0m along runway 12 from approach end
threshold, continued along the runway for a length of 15.9m from the approach threshold.
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