ASN Wikibase Occurrence # 39408
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| Date: | Tuesday 10 August 1993 |
| Time: | 19:06 LT |
| Type: |  Robinson R22 Beta |
| Owner/operator: | Offshore Helicopters, Inc. |
| Registration: | N4017J |
| MSN: | 1443 |
| Year of manufacture: | 1990 |
| Total airframe hrs: | 1816 hours |
| Engine model: | Lycoming O-320-B2C |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Sea 8 mi SE of Honolulu, Oahu, HI -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Lanai, HI (LNY) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
ABOUT 10 MI FROM THE DESTINATION, THE PILOT RADIOED APPROACH CONTROL TO ENTER THE TCA. HE WAS GIVEN A TRANSPONDER CODE BY THE CONTROLLER, BUT DID NOT ACKNOWLEDGE THE TRANSMISSION. WITNESSES NEAR THE ACCIDENT SITE REPORTED HEARING A LOUD 'EXPLOSION', OR A METAL TO METAL SOUND, AND THEN OBSERVED THE HELICOPTER IN AN UNCONTROLLED DESCENT. ONE WITNESSES SAID THE ROTOR DISK TILTED AND STRUCK THE AIRFRAME. POST-CRASH EXAMINATION REVEALED THAT ONE MAIN ROTOR BLADE HAD ENTERED THE FORWARD LEFT SIDE OF THE CABIN.
Probable Cause: A DIVERGENCE OF THE MAIN ROTOR FROM ITS NORMAL PLANE OF ROTATION FOR AN UNDETERMINED REASON(S) WHICH RESULTED IN ROTOR CONTACT WITH THE AIRFRAME.
Accident investigation:
 |
|
Sources:
NTSB LAX93FA318
FAA register: 2. CAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?omni=Home-N-Number&nNumberTxt=4017J
History of this aircraft
Other occurrences involving this aircraft
| 4 April 1992 | N4071J | Civic Helicopters, Inc. | 0 | Carlsbad, CA | |
sub |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 25-May-2016 15:09 | Dr.John Smith | Updated [Time, Location, Source, Narrative] |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 15-Jun-2023 04:29 | Ron Averes | Updated [[Time, Damage, Category, Investigating agency]] |
| 10-Apr-2024 11:50 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Source, Narrative, Accident report] |
Corrections or additions? ... Edit this accident description
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