The U.S. aircraft register, updated daily
Accidents · NTSB WPR15WA213 · Preliminary: the investigation is not finished

Bell 407 - NO SERIES accident near Zhejiang Province, P.R. China, Cn, July 9, 2015

On July 9, 2015 at about 2:25 am local time, a Bell 407 - NO SERIES (helicopter), registered B7723, was substantially damaged in an accident during maneuvering (hover) near Zhejiang Province, P.R. China. 2 people were killed, 1 person was seriously injured and 1 person had minor injuries; 3 others were unhurt.

The NTSB's probable cause their words, unchanged

The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
July 9, 2015 · about 2:25 am local time
Place
Zhejiang Province, P.R. China, China
Type
Accident
Injuries
2 people were killed, 1 person was seriously injured and 1 person had minor injuries; 3 others were unhurt.
Weather
not recorded
Aircraft
Bell 407 - NO SERIES NO SERIES · all 407 - NO SERIESs on the register
Registration
B7723 · no longer on the register
Damage
Substantial damage
Flight
Flight

The NTSB's narrative preliminary · quoted from the NTSB record

On July 9, 2015 at 0225 Universal Coordinated Time, a Bell 407, B-7723, was substantially damaged when it crashed at the Qiandao Lake General Aviation airport, Zhejiang Province P. R. China, while conducting a post-repair hovering test. A total of seven people were on board with 2 of the occupants reported as fatalities. The remaining five occupants received serious to minor injuries. The helicopter was being operated under the pertinent civil regulations of the Government of China. The accident is being investigated by the Civil Aviation Administration of China (CAAC). The NTSB has designated a U.S. Accredited Representative under the provisions of ICAO Annex 13, as the state of manufacture for the engine. Further information pertaining to this accident should be directed to: Aircraft Accident Investigation Division Civil Aviation Administration of China (CAAC) East China Regional Administration of CAAC 300, Yingbin Erlu, Changning Distract, Shanghai, 200335, P R China Tel: 0086 2122322180 Fax: 0086-21-32160050

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

What happened, in order

  1. Unknown or undetermined during maneuvering (hover) defining event

The aircraft

  • Landing gear: fixed
  • Not recorded

Weather at the time

  • Temperature: 0°F (-18°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Flight crew2
Passengers113

Documents from the investigation the NTSB's docket: the evidence folder behind the report

The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.