NTSB CAROL · Event
Event SEA81FA050
Aircraft involved
Historical record (pre-1982)
NTSB recorded this accident in the pre-1982 coded-field schema — structured fields rather than free-text narrative. Decoded codes use established NTSB single-letter taxonomies; cause factors remain verbatim pending the Form 6120.4 codebook lookup.
Aircraft
SIKORSKY S-58B · N4247
Damage
Destroyed
Craft type
Balloon
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
D4
Operator type
E
Kind of flying
CK
Weather at impact
Sky
CLEAR
Temp
70° F
Aircraft history
Serial number
00000058-807
Total time
6,018 hrs
Pilot
Certificate
GA (GA)
Total hours
9,500
Age
42
Probable cause (from PRE1982.MDB)
D 5/5.SERVICING AT OIL FILLER OPENS MRGB CASE.
Investigator remarks
FOD TO INPUT GR,MAIN BEVEL GR.OIL COOLER REPLACE
Cause factors
- 68/A/D2 A PERSONNEL IMPROPERLY SERVICED AIRCRAFT (GROUND CREW) Cause — pilot/personnel action
- 78/A/BE A ROTORCRAFT MAIN ROTOR GEAR BOX Cause — pilot/personnel action
- 84/A/D A MISCELLANEOUS FOREIGN OBJECT DAMAGE Cause — pilot/personnel action
- 88/A/41 A MISCELLANEOUS ACTS,CONDITIONS RPM-UNCONTROLLABLE-OVERSPEED Cause — pilot/personnel action
- 74/A/E9 A POWERPLANT OTHER Cause — pilot/personnel action
- 88/A/94 A MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE Cause — pilot/personnel action
- 88/J/24 J MISCELLANEOUS ACTS,CONDITIONS JETTISONED LOAD Joint cause
Decoded against the NTSB Form 6120.4 cause-factor codebook (ct_Pre1982 table). Each row shows the raw triplet, modifier (Cause / Factor / etc.), category, and specific code.
Source: NTSB pre-1982 historical archive. Docket
3 3276.
Source file
NTSB_1981_3_3276.txt.
Modern CAROL record on
data.ntsb.gov ↗.
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