ASN Wikibase Occurrence # 135766
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| Date: | Saturday 9 September 1989 |
| Time: | 14:00 |
| Type: |  Robinson R22 |
| Owner/operator: | Classic Helicopters |
| Registration: | N8034J |
| MSN: | 1051 |
| Year of manufacture: | 1989 |
| Total airframe hrs: | 371 hours |
| Engine model: | LYCOMING O-320-B2C |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Boeing Field/King County International Airport, Kent, King County, WA -
 United States of America
|
| Phase: | En route |
| Nature: | Training |
| Departure airport: | Boeing Field/King County International Airport (BFI/KBFI) |
| Boeing Field/King County International Airport (BFI/KBFI) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WHILE ON TAKEOFF AT 300 FEET AGL, THE INSTRUCTOR PILOT RETARDED THE THROTTLE TO SIMULATE AN ENGINE FAILURE. THE PRE-SOLO STUDENT DID NOT LOWER THE COLLECTIVE TO ENTER AUTO-ROTATION, RESULTING IN LOSS OF ROTOR RPM. THE CFI INITIATED REMEDIAL ACTION TOO LATE TO AVOID IMPACT WITH THE GROUND. THE AIRCRAFT IMPACTED AT 40 KNOTS, FRACTURING THE LANDING GEAR, AND THE AIRCRAFT ROLLED OVER. THIS WAS THE CFI's FIRST FLIGHT WITH THIS STUDENT WHO HAD 20 HOURS FLIGHT TIME.
PROBABLE CAUSE:THE INSTRUCTOR PILOT'S FAILURE TO TAKE TIMELY CORRECTIVE ACTION TO RECOVER FROM A LOW ROTOR RPM CONDITION, RESULTING IN IMPACT WITH THE GROUND.
Sources:
1. NTSB Identification: SEA89LA167 at https://www.ntsb.gov/about/employment/_layouts/ntsb.aviation/brief.aspx?ev_id=20001213X29496&key=1
2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?omni=Home-N-Number&nNumberTxt=8034J
3. http://www.griffin-helicopters.co.uk/accidentdetails.aspx?accidentkey=1197
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 08-Feb-2016 21:34 | Dr.John Smith | Updated [Time, Location, Departure airport, Source, Narrative] |
| 19-Sep-2016 19:16 | Dr.John Smith | Updated [Location, Destination airport, Source, Narrative] |
| 21-Dec-2016 19:26 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
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