NTSB Identification: MIA84LA052.
The docket is stored on NTSB microfiche number 24125.
Scheduled 14 CFR PIEDMONT AVIATION INC.
Accident occurred Thursday, December 29, 1983 in NEAR TAMPA, FL
Aircraft: BOEING 737-201, registration: N811N
Injuries: 1 Serious,7 Minor,38 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

PRIOR TO DEPARTURE, THE CAPTAIN REVIEWED AVAILABLE WX REPORTS & WAS AWARE OF THE WX CONDITIONS, INCLUDING CURRENT SIGMETS. HE DECIDED TO FLY A COURSE THAT WAS PARALLEL TO A FRONTAL SYS UNTIL HE COULD GET TO AN AREA WHERE HE COULD CONTINUE TO HIS DESTINATION. AFTER DEPARTING, HE LEFT THE SEAT BELT SIGN ON, BUT DID NOT BRIEF THE PASSENGERS TO EXPECT TURBULENCE NOR RESTRICT THE FLT ATTENDANTS TO THEIR SEATS, SINCE HE DID NOT EXPECT TO ENCOUNTER TURBULENCE. WHILE CRUISING AT 17,000 FT MSL, HE USED HIS RADAR AS WELL AS ATC ADVISORIES TO IDENTIFY ADVERSE WX. AFTER TURNING TO AVOID AN AREA OF HEAVY PRECIPITATION, THE ACFT ENCOUNTERED TURBULENCE. AT THAT TIME, 3 FLT ATTENDANTS & 1 PASSENGER WERE WALKING IN THE AISLE OF THE ACFT. ONE PASSENGER WAS SERIOUSLY INJURED. ONE FLT ATTENDANT & 6 PASSENGERS RECEIVED MINOR INJURIES. THE ACFT WAS THEN FLOWN BACK TO TAMPA, FL WHERE IT WAS LANDED WITHOUT FURTHER INCIDENT.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

DISPATCH..IMPROPER..DISPATCHER

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

FLIGHT INTO KNOWN ADVERSE WEATHER..INITIATED..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

IN-FLIGHT PLANNING/DECISION..IMPROPER..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

SEAT BELT..NOT USED..FLIGHT ATTENDANT

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

SEAT BELT..NOT USED..PASSENGER


Contributing Factors

WEATHER CONDITION..THUNDERSTORM


Contributing Factors

WEATHER CONDITION..TURBULENCE(THUNDERSTORMS)

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