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FTW81IA096

1981-05-26 · SS BLOCK 214, Gulf of America, United States · None · 1 aircraft · Status: Completed

Aircraft involved

Historical record (pre-1982 coded fields)

Aircraft
SIKORSKY S-76 · N1547D
Damage
Minor
Craft type
Balloon
Classification
C
Light condition
Dawn
Weather
VMC
Phase of flight
C2
Operator type
E
Airport
OIL RIG PLATFORM
Kind of flying
CI

Weather at impact

Sky
CLEAR
Wind
240° / 15 kt

Aircraft history

Serial number
000000760077
Total time
225 hrs

Pilot

Certificate
Commercial
Total hours
4,790
Age
31

Probable cause (from PRE1982.MDB)

AIL FM FATIGUE.FRGMNTS FM OVRSPD TURB DMGD OTR ENG

Investigator remarks

THICKNESS,4TH STAGE TURB NZL LCTG RNG,BLO SPEC,F

Cause factors

  • 68/A/J0 A
    PERSONNEL SUBSTANDARD QUALITY CONTROL Cause — pilot/personnel action
  • 74/A/PC A
    POWERPLANT SHROUD,RING Cause — pilot/personnel action
  • 88/A/36 A
    MISCELLANEOUS ACTS,CONDITIONS FATIGUE FRACTURE Cause — pilot/personnel action
  • 74/A/KC A
    POWERPLANT FOREIGN OBJECT DAMAGE Cause — pilot/personnel action
  • 88/J/48 J
    MISCELLANEOUS ACTS,CONDITIONS FAILURE OF TWO OR MORE ENGINES Joint cause

Decoded against the NTSB Form 6120.4 cause-factor codebook (ct_Pre1982 table).

Source: NTSB pre-1982 historical archive. Docket 5 0057. Source file NTSB_1981_5_0057.txt. Modern CAROL record on data.ntsb.gov ↗.

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