Aircraft Accident/Incident Report

Hamamatsu City
Tuesady, September 6, 2011 13:50 UTC

NTSB Narrative Summary Released at Completion of Accident

On September 6, 2011, at 22:50 local time (13:50 UTC), a Boeing 737-700, registration JA16AN, operated by Air Nippon Co., Ltd., entered an unusual attitude and lost altitude about 43km south of Hamamatsu City, Shizuoka Prefecture, Japan, as the aircraft was in cruise at an altitude of about 41,000 feet. The aircraft recovered and landed at Tokyo International Airport, Tokyo, Japan. There was no damage to the aircraft, and 2 of the 117 persons on board the aircraft sustained minor injuries. The incident is being investigated by the Japan Transport Safety Board (JTSB). The NTSB has designated a U.S. Accredited Representative as the state of manufacture of the aircraft under the provisions of ICAO Annex 13. All inquiries should be directed to the JTSB at the following: Japan Transport Safety Board Ministry of Land, Infrastructure, Transport and Tourism Kasumigaseki 2-1-2, Chiyoda-ku Tokyo 100-8918 Japan website: http://www.mlit.go.jp/jtsb/english.html

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Incident
Event Date 9/6/2011
Event Day of the Week Tuesday
Time of Event 1350
Event Time Zone Coordinated Universal Time? Same as GMT
Event City Hamamatsu City
Event State --
Event Country --
Zipcode of the event site --
Event Date Year 2011
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport --
Event Location Nearest Airport ID --
Indicates whether the acc/inc occurred off or on an airport --
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness --
Investigator's weather source --
Time of the weather observation
Direction of event from weather observation facility (degrees) --
Weather Observation Facility ID --
Elevation of weather observation facility --
Distance of event from weather observation facility (units?) --
Time Zone of the weather observation --
Lighting Conditions --
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions --
Sky Condition for Lowest Ceiling --
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) --
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) --
Variable Wind Indicator --
Wind Speed (knots) --
Wind Velocity Indicator --
Wind Gust Indicator --
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor 2
Injury Total None 115
Injury Total Serious --
Injury Total All 2
Investigating Agency Foreign
NTSB Docket Number (internal use) --
NTSB Notification Source JTSB
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Oct 25 2011 1:23PM
User who most recently changed record schd
Basic weather conditions --
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number --
NTSB Number DCA11WA105
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 129: Foreign
Type of Flight Plan filed --
Flight plan Was Activated? --
Damage None
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BOEING
Aircraft Model 737
Aircraft Series Identifier 781
Aircraft Serial Number --
Certified Max Gross Weight --
Aircraft Category --
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft --
Number of Engines 2
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection --
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name --
Aircraft Owner Street Address --
Aircraft Owner City --
Aircraft Owner State --
Aircraft Owner Country JA
Aircraft Owner Zipcode --
Operator is an individual? No
Operator Name --
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address --
Operator City --
Operator State --
Operator Country USA
Operator Zip code --
Operator Code I0JF
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? --
Certified for Part 133 or 137 Operation --
Operator Certificate Number I0JF924F
Indicates whether an air carrier operation was scheduled or not Scheduled
Indicates Domestic or International Flight International
Operator carrying Pax/Cargo/Mail Passenger Only
Type of Flying (Per_Bus / Primary) --
Second Pilot on Board --
Departure Point Same as Event --
Departure Airport Code --
Departure City --
Departure State --
Departure Country --
Departure Time --
Departure Time Zone --
Destination Same as Local Flt --
Destination Airport Code --
Destination City --
Destination State --
Destination Country --
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Dec 4 2014 2:57PM
User who most recently changed record broda
Since inspection or accident --
Event Location Runway Number and Location --
Runway Length --
Runway Width --
Sight Seeing flight --
Air Medical Flight --
Medical Flight --