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SEA81FA050

1981-08-07 · BELLEVUE, Washington, United States · Fatal · 1 aircraft · Status: Completed

Aircraft involved

Historical record (pre-1982 coded fields)

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).

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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