ASN Wikibase Occurrence # 366164
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Date: | Friday 21 September 1990 |
Time: | 18:50 LT |
Type: | Hughes 369HS |
Owner/operator: | Steel City Aviation |
Registration: | N71552 |
MSN: | 120365S |
Year of manufacture: | 1972 |
Engine model: | Allison 250-C20 |
Fatalities: | Fatalities: 0 / Occupants: 3 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | New Orleans, LA -
United States of America
|
Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
Nature: | Unknown |
Departure airport: | |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:THE HELICOPTER WAS HOLDING TO THE SOUTHWEST OF THE AIRPORT AT APPROXIMATELY 70 KNOTS AND 300 FEET AGL AWAITING LANDING CLEARANCE WHEN THE TURBINE ENGINE FLAMED OUT. THE INSTRUCTOR TOOK OVER THE CONTROLS AND INITIATED AN AUTOROTATION TO AN OPEN ATHLETIC FIELD. HE FLARED ABRUPTLY TO AVOID A BASEBALL BACKSTOP AND LANDED HARD. THE MAIN ROTOR BLADES DROOPED AND SEVERED THE TAILBOOM. POST-ACCIDENT EXAMINATION OF THE FUEL SYSTEM REVEALED AN INCORRECTLY INSTALLED FLOAT ARM. APPROXIMATELY 250 ML OF JET FUEL WAS DRAINED FROM THE MAIN FUEL CELL. AN AUXILIARY FUEL TANK WAS FOUND FULL OF FUEL WITH THE PILOT COCKPIT CONTROL LEVER IN THE OFF POSITION.
Probable Cause: THE PILOT'S FAILURE TO MAINTAIN ROTOR RPM. A FACTOR IN THE ACCIDENT WAS THE LOSE OF ENGINE POWER DUE TO FUEL STARVATION.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | FTW90GA185 |
Status: | Investigation completed |
Duration: | 2 years and 4 months |
Download report: | Final report |
|
Sources:
NTSB FTW90GA185
Location
Revision history:
Date/time | Contributor | Updates |
20-Mar-2024 18:06 |
ASN Update Bot |
Added |
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