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NTSB Report
September 9, 1986 · Sikorsky SK-76 · N93AE
White Plains, NY
Overview
Report Status
Preliminary report
Event Type
Accident
Date
September 9, 1986
Injury Outcomes
No injuries (4 uninjured)
Location
White Plains, NY
Aircraft
Sikorsky SK-76
Tail Number
N93AE
Operator
American Express
Injuries
None
Aircraft Damage
Substantial
NTSB Number
NYC86FA232
APRX 12 SECONDS AFTER TAKEOFF WHILE CLIMBING THROUGH 400 FT THE ACFT EXPERIENCED A TAIL ROTOR PADDLE SEPARATION. THE YELLOW PADDLE BLADE FAILED FIRST FOLLOWED BY THE RED. THE PLT REPORTED HEARING A LOUD BANG FOLLOWED BY A SEVERE VIBRATION. A PRECAUTIONARY LANDING WAS MADE WITHOUT INCIDENT. INSPECTION REVEALED THAT THE COMPLETE PADDLE SPAR HAD FAILED AND SEPARATED. THERE WAS NO EVIDENCE OF A BIRD STRIKE OR FOD DAMAGE. THIS WAS THE FIRST FLT AFTER THE TAIL ROTOR BLADE ASSEMBLY WAS INSTALLED.
Full Narrative
APRX 12 SECONDS AFTER TAKEOFF WHILE CLIMBING THROUGH 400 FT THE ACFT EXPERIENCED A TAIL ROTOR PADDLE SEPARATION. THE YELLOW PADDLE BLADE FAILED FIRST FOLLOWED BY THE RED. THE PLT REPORTED HEARING A LOUD BANG FOLLOWED BY A SEVERE VIBRATION. A PRECAUTIONARY LANDING WAS MADE WITHOUT INCIDENT. INSPECTION REVEALED THAT THE COMPLETE PADDLE SPAR HAD FAILED AND SEPARATED. THERE WAS NO EVIDENCE OF A BIRD STRIKE OR FOD DAMAGE. THIS WAS THE FIRST FLT AFTER THE TAIL ROTOR BLADE ASSEMBLY WAS INSTALLED.
Flight
Event TypeAccident
Event Time16:20 EDT
Nearest AirportWhite Plains (0nm N)
Runway0
Flight Plan FiledCvfr
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftSikorsky SK-76
Tail NumberN93AE
Aircraft CategoryHeli
DamageSubstantial
OperatorAmerican Express
Operating RulePart 91
Engines2
Engine TypeTurboshaft
Engine DetailsP&W · PT-6B-36 · Turboshaft · 1000
Seats8
People & Injuries
Injury SummaryNo injuries (4 uninjured)
Fatal0
Serious0
Minor0
Uninjured4
Total4
Crew 1Age 43 · First Class
Conditions
ConditionsVMC
LightDaylight
Wind10 kt
Visibility20 sm
CeilingNone
Temperature / Dew Point70 F / 0 C
Altimeter0
Weather SourcePILO