Individually Owned: 150,657
Corporate Owned: 137,281
Aircraft Accident/Incident Report
P'ohang
Thursday, July 5, 2001 2:20 UTC
NTSB Narrative Summary Released at Completion of Accident
On July 5, 2001, at 1120 local time (0220 universal coordinated time, UTC) a Sikorsky S-76B helicopter, Korean registration HL9240, manufacturer's serial no. 76-0341, operated by Dae-Woo Shipbuilding Co., Ltd., crashed at sea near the city of P'ohang, in the southeast of the Republic of Korea. The aircraft sank after impact and 8 of 12 persons on board were fatally injured, including the command pilot. The flight had departed Gim-Hae International Airport and the destination was Ok-Po Heliport, Republic of Korea. Witnesses reported that en route the ceiling and visibility lowered and the flight descended to a lower en route altitude. The aircraft and all on board were recovered. The flight was being operated in daylight under the authority of the Civil Aviation Bureau, Republic of Korea.
The Investigator-in-Charge (IIC) is being assisted by an investigator from the manufacturer, Sikorsky Aircraft, and has requested technical investigative assistance from Hamilton Sundstrand, as well.
For further information, contact the IIC:
Mr. Yoo, Byung Yul
Chief Accident Investigator, Air Safety Division
Civil Aviation Bureau, MOCT Korea
tel. 82 2 666 0550 / fax -2682 / capyoo@hanmail.net
U.S. Accredited Representative:
Thomas R. Conroy
Air Safety Investigator
National Transportation Safety Board
Office of Aviation Safety
Regional Operations and General Aviation Division, AS-20
Washington, DC 20594
1 (202) 314-6314
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
| Type of Event | Accident |
| Event Date | 7/5/2001 |
| Event Day of the Week | Thursday |
| Time of Event | 220 |
| Event Time Zone | Coordinated Universal Time? Same as GMT |
| Event City | P'ohang |
| Event State | -- |
| Event Country | -- |
| Zipcode of the event site | -- |
| Event Date Year | 2001 |
| Event Date Month | 7 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | 340422N |
| Event Location Longitude | 1284703E |
| 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 | Witness |
| 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 | Fatal |
| On Ground, Fatal Injuries | -- |
| On Ground, Minor Injuries | -- |
| On Ground, Serious Injuries | -- |
| Injury Total Fatal | 8 |
| Injury Total Minor | -- |
| Injury Total None | -- |
| Injury Total Serious | 4 |
| Injury Total All | 12 |
| Investigating Agency | Foreign |
| NTSB Docket Number (internal use) | -- |
| NTSB Notification Source | Sikorsky Aircraft, Product Saf |
| NTSB Notification Date | Jul 6 2001 12:00AM |
| NTSB Notification Time | 1200 |
| Fiche Number and/or location -used to find docket information | -- |
| Date of most recent change to record | Sep 9 2003 8:38AM |
| User who most recently changed record | JOND |
| Basic weather conditions | -- |
| FAA District Office | AAI-100, Washtington, D.C. |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | -- |
| NTSB Number | WAS01WA015 |
| Missing Aircraft Indicator | -- |
| Federal Aviation Reg. Part | Non-U.S., Commercial |
| Type of Flight Plan filed | Unknown |
| Flight plan Was Activated? | No |
| Damage | Destroyed |
| Aircraft Fire | -- |
| Aircraft Explosion | -- |
| Aircraft Manufacturer's Full Name | Sikorsky |
| Aircraft Model | S-76B |
| Aircraft Series Identifier | -- |
| Aircraft Serial Number | -- |
| Certified Max Gross Weight | -- |
| Aircraft Category | Helicopter |
| 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 | -- |
| Fixed gear or retractable gear | Fixed |
| Aircraft, Type of Last Inspection | -- |
| Date of Last Inspection | -- |
| Airframe hours since last inspection | -- |
| Airframe Hours | -- |
| ELT Installed | -- |
| ELT Activated | -- |
| ELT Aided Location of Event Site | -- |
| ELT Type | -- |
| Aircraft Owner Name | -- |
| Aircraft Owner Street Address | -- |
| Aircraft Owner City | -- |
| Aircraft Owner State | -- |
| Aircraft Owner Country | -- |
| Aircraft Owner Zipcode | -- |
| Operator is an individual? | -- |
| Operator Name | -- |
| Operator Same as Owner? | -- |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | -- |
| Operator Street Address | -- |
| Operator City | Seoul |
| Operator State | -- |
| Operator Country | KS |
| Operator Zip code | -- |
| Operator Code | -- |
| Owner has at least one certificate | None |
| Other Operator of large aircraft? | -- |
| Certified for Part 133 or 137 Operation | -- |
| Operator Certificate Number | -- |
| Indicates whether an air carrier operation was scheduled or not | Non-scheduled |
| Indicates Domestic or International Flight | Domestic |
| Operator carrying Pax/Cargo/Mail | Passenger Only |
| Type of Flying (Per_Bus / Primary) | -- |
| Second Pilot on Board | -- |
| Departure Point Same as Event | No |
| Departure Airport Code | -- |
| Departure City | Gim-Hae Airport |
| Departure State | -- |
| Departure Country | KS |
| Departure Time | -- |
| Departure Time Zone | -- |
| Destination Same as Local Flt | -- |
| Destination Airport Code | -- |
| Destination City | Ok-Po Heliport |
| Destination State | -- |
| Destination Country | KS |
| Specific Phase of Flight | Cruise |
| Report sent to ICAO? | Yes |
| Evacuation occurred | No |
| Date of most recent change to record | Sep 9 2003 8:38AM |
| User who most recently changed record | JOND |
| Since inspection or accident | -- |
| Event Location Runway Number and Location | -- |
| Runway Length | -- |
| Runway Width | -- |
| Sight Seeing flight | -- |
| Air Medical Flight | -- |
| Medical Flight | -- |