ASN Wikibase Occurrence # 373540
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Date: | Friday 20 February 1987 |
Time: | 11:45 LT |
Type: | Hughes 269A |
Owner/operator: | Helicopter Services,of Jack. |
Registration: | N90270 |
MSN: | 66-18283 |
Year of manufacture: | 1966 |
Total airframe hrs: | 52404 hours |
Engine model: | LYCOMING HIO-360-B1A |
Fatalities: | Fatalities: 0 / Occupants: 2 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Jacksonville, FL -
United States of America
|
Phase: | Landing |
Nature: | Training |
Departure airport: | |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:THE INSTRUCTOR PLT WAS DEMONSTRATING A HOVERING AUTOROTATION LANDING WITH FORWARD MOVEMENT, WHEN, AFTER THE THROTTLE WAS CLOSED, THE HELICOPTER HUNG IN THE AIR. FORWARD CYCLIC WAS THEN APPLIED WHEN HE REALIZED THAT THE ROTOR RPM BEGAN TO DETERIORATE. THE HELICOPTER THEN CONTACTED THE GROUND IN A SLIGHT NOSE LOW ATTITUDE, AFTER WHICH, REAR CYCLIC WAS APPLIED. THE MAIN ROTOR BLADES THEN SEVERED THE TAIL BOOM DUE TO THE LOW ROTOR RPM AND REAR CYCLIC INPUT. THE HELICOPTER SPUN APRX 90 DEGREES TO THE LEFT & CAME TO REST.
Probable Cause:
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | MIA87LA089 |
Status: | Investigation completed |
Duration: | 1 year 1 month |
Download report: | Final report |
|
Sources:
NTSB MIA87LA089
History of this aircraft
Other occurrences involving this aircraft Location
Revision history:
Date/time | Contributor | Updates |
27-Mar-2024 14:11 |
ASN Update Bot |
Added |
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