NAMC YS-11

Historical safety data and incident record for the NAMC YS-11 aircraft.

Safety Rating

9.1/10

Total Incidents

27

Total Fatalities

240

Incident History

Japan Maritime Self-Defense Force - Kaijo Jieitai

Ozuki AFB Chugoku

Crew was completing a training mission from Atsugi AFB with intermediate stops at Tokushima AFB and Iwakuni AFB. After landing on runway 35 (1,200 meters long) at Ozuki AFB, the aircraft was unable to stop within the remaining distance. It overran, went through a fence, lost its nose gear and came to rest 150 meters further in a rice paddy field. All 11 occupants escaped uninjured while the aircraft was damaged beyond repair.

Asian Spirit

Masbate Masbate

After landing at Masbate Airport, the twin engine aircraft was unable to stop within the remaining distance. It overran, veered to the right and collided with a concrete wall. All 47 occupants escaped uninjured while the aircraft was damaged beyond repair. At the time of the accident, wind was from 040 at 11 knots gusting to 14 knots.

Aboitiz Air

Manila-Ninoy Aquino Metro Manila

The twin engine aircraft departed Tacloban on a charter flight to Manila, carrying five employees of the Philippines Central Bank and four crew members. Upon landing on runway 06, the aircraft veered off runway to the right, lost its right main gear and came to rest. All 9 occupants escaped uninjured while the aircraft was damaged beyond repair.

Phuket Airlines

Mae Sot Tak (<U+0E15><U+0E32><U+0E01>)

The approach and landing at Mae Sot Airport were completed in rainy conditions. After touchdown, the aircraft was unable to stop within the remaining distance, collided with a fence and came to rest. All 28 occupants evacuated safely while the aircraft was damaged beyond repair.

Air Nippon

Sapporo-Okadama Hokkaido

On approach to Sapporo-Okadama, the aircraft was too high on the glide and approached at an excessive speed. It landed too far down a snow covered runway and was unable to stop within the remaining distance. It overran, collided with snow bank and came to rest. All 41 occupants escaped uninjured while the aircraft was damaged beyond repair.

Air Philippines

Naga City Camarines Sur

The aircraft landed hard with its right main gear first. Out of control, it slid on runway for few dozen metres and came to rest, bursting into flames. All 34 occupants escaped uninjured while the aircraft was destroyed by fire.

Gambia Airways

Dakar-Yoff Dakar Region

Following an uneventful flight from Saint Louis, a Twin Otter operated by Air Sénégal was cleared to descend to Dakar-Yoff Airport and was instructed to maintain 3,000 feet over YF VOR. At the same time, the NAMC YS-11 departed Dakar-Yoff Airport on a regular schedule flight to Banjul. Registered C5-GAA, the aircraft was carrying 34 passengers and a crew of four. Its pilots were instructed to climb via radial 140 and maintain the altitude of 2,000 feet while over YF VOR. When both aircraft reached the YF VOR, they collided. While the crew of the NAMC was able to return to Dakar and land safely despite the left wing was partially torn off, the Twin Otter entered an uncontrolled descent and crashed in the sea few km offshore. All three occupants were killed.

Airborne Express

Wilmington Ohio

The crew departed Wilmington-Air park (Clinton County Airport) on a local training flight. On final approach to runway 22, the crew forgot to lower the undercarriage and the aircraft landed on its belly. It slid for few dozen yards and came to rest on the main runway. All three occupants escaped uninjured while the aircraft was damaged beyond repair.

March 15, 1989 2 Fatalities

Mid Pacific Air

West Lafayette-Purdue University Indiana

An IFR flight was terminated with a visual approach. Conditions were conducive to airframe icing. The aircraft was being positioned empty, with a cg at 22.1% mac. On short final, at approximately 400 feet agl, 35° of landing flap was selected. The aircraft was observed to pitch downward to an unusual attitude and to enter a steep descent. A partial recovery was observed before the aircraft impacted a dirt hill 500 feet short of runway 28. Examination of the airframe after the accident revealed 1/2 to 3/4 inch of rime ice adhering to the leading edge of the horizontal stabilizer. No ice was found on any other portion of the airframe. Evidence in the cockpit indicated that engine, pitot, and windshield anti-ice systems were on, but wing/empennage deice was off. No evidence of a powerplant or systems malfunction was found. Both pilots were killed.

TOA Domestic Airlines

Yonago-Miho Chugoku

During the takeoff roll on runway 25, as V2 speed was reached, the copilot (pic) started the rotation but found the elevator control too heavy and decided to reject the takeoff. The crew initiated an emergency braking procedure but unable to stop within the remaining distance, the aircraft overran and plunged in the Nakaumi Lake. All 52 occupants were rescued, among them eight were injured. The aircraft was damaged beyond repair.

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Safety Profile

Reliability

Reliable

This rating is based on historical incident data and may not reflect current operational safety.