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NTSB Report
March 23, 1993 · De Havilland DHC-8-102 · N928HA
Jacksonville, FL
Overview
Report Status
Probable Cause
Event Type
Accident
Date
March 23, 1993
Injury Outcomes
1 injury (1 serious injury), 21 uninjured
Location
Jacksonville, FL
Aircraft
De Havilland DHC-8-102
Tail Number
N928HA
Operator
Henson Aviation
Injuries
Serious
NTSB Number
MIA93LA090
38 MI FROM THE DESTINATION ARPT, THE CAPT NOTIFIED THE F/A TO BE SEATED DUE TO POSSIBLE TURBULENCE ENCOUNTER. AFTER COMPLETING THE APPROACH CHECKLIST, THE F/A WAS GIVEN THE SIGNAL TO PERFORM THE FINAL CABIN CHECK. 9 MI FROM THE ARPT, THE FLIGHT ENCOUNTERED 'A SINGLE STRONG WINDSHEAR' WHICH CAUSED THE F/A TO BE THROWN AGAINST THE CEILING & THEN TO THE FLOOR. AT THE TIME OF THE OCCURENCE, THE AIRPLANE WAS OPERATING WITHIN A WEAK LEVEL I WX RADAR RETURN, WITHIN 6 MI OF A LEVEL II RETURN, AND WITHIN 9 MI OF A VERY STRONG LEVEL IV RETURN. THE OPERATOR'S FLT OPS MANUAL STATES THAT THE CAPT WILL ADVISE THE F/A AS TO WHETHER OR NOT HE/SHE SHOULD BE SEATED WITH THE SEAT BELT FASTENED. IN ADDITION, NEITHER THE FLT OPS MANUAL NOR THE F/A MANUAL GAVE ANY INSTRUCTIONS AS TO WHEN THE F/A SHOULD RESUME HIS/HER DUTIES AFTER BEING TOLD TO BE SEATED, NOR WAS THE CAPT INSTRUCTED TO NOTIFY THE F/A TO RESUME HIS/HER DUTIES.
NTSB Probable Cause
THE OPERATOR'S LACK OF ADEQUATE INSTRUCTIONS TO CREWMEMBERS AS TO WHEN FLIGHT ATTENDANTS CAN RESUME CABIN DUTIES AFTER BEING TOLD TO BE SEATED BY THE CAPTAIN.
Full Narrative
38 MI FROM THE DESTINATION ARPT, THE CAPT NOTIFIED THE F/A TO BE SEATED DUE TO POSSIBLE TURBULENCE ENCOUNTER. AFTER COMPLETING THE APPROACH CHECKLIST, THE F/A WAS GIVEN THE SIGNAL TO PERFORM THE FINAL CABIN CHECK. 9 MI FROM THE ARPT, THE FLIGHT ENCOUNTERED 'A SINGLE STRONG WINDSHEAR' WHICH CAUSED THE F/A TO BE THROWN AGAINST THE CEILING & THEN TO THE FLOOR. AT THE TIME OF THE OCCURENCE, THE AIRPLANE WAS OPERATING WITHIN A WEAK LEVEL I WX RADAR RETURN, WITHIN 6 MI OF A LEVEL II RETURN, AND WITHIN 9 MI OF A VERY STRONG LEVEL IV RETURN. THE OPERATOR'S FLT OPS MANUAL STATES THAT THE CAPT WILL ADVISE THE F/A AS TO WHETHER OR NOT HE/SHE SHOULD BE SEATED WITH THE SEAT BELT FASTENED. IN ADDITION, NEITHER THE FLT OPS MANUAL NOR THE F/A MANUAL GAVE ANY INSTRUCTIONS AS TO WHEN THE F/A SHOULD RESUME HIS/HER DUTIES AFTER BEING TOLD TO BE SEATED, NOR WAS THE CAPT INSTRUCTED TO NOTIFY THE F/A TO RESUME HIS/HER DUTIES.
Flight
Event TypeAccident
Event Time18:52 EST
Nearest Airport0nm N
Runway0
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftDe Havilland DHC-8-102
Tail NumberN928HA
Aircraft CategoryAir
OperatorHenson Aviation
Operating RulePart 121
Engines2
Engine TypeTurboprop
Engine DetailsP&W · 120A · Turboprop · 2000
Seats41
People & Injuries
Injury Summary1 injury (1 serious injury), 21 uninjured
Fatal0
Serious1
Minor0
Uninjured21
Total22
Crew 1Age 39 · First Class
Conditions
ConditionsVMC
LightDark Night
Wind160° @ 15 kt
Visibility7 sm
CeilingBroken clouds 3000 ft
Temperature / Dew Point70 F / 63 F
Altimeter30.00 inHg
Observation Time23:51
Weather SourceWFAC