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LAX81FVG53

1981-07-23 · WILLOWS, California, United States · Serious · 1 aircraft · Status: Completed

Aircraft involved

Historical record (pre-1982 coded fields)

Aircraft
HILLER ACFT UH-12E · N4027T
Damage
Substantial
Craft type
Balloon
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
DK
Operator type
Part 135 (air taxi/commuter)
Kind of flying
CA

Weather at impact

Sky
CLEAR

Aircraft history

Serial number
000000005079
Total time
1,218 hrs

Pilot

Certificate
Commercial
Total hours
9,200
Age
39

Probable cause (from PRE1982.MDB)

REASE NOT RCMDD,COLL PSBL DIRT/ABRASIVES.ALFALFA.

Investigator remarks

TAIL ROTOR CTL CABLE FAILED AT PULLEY W GREASE.G

Cause factors

  • 68/C/D6 C
    PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION Cause
  • 78/C/C2 C
    ROTORCRAFT TAIL ROTOR PITCH CONTROL SYSTEM Cause
  • 88/C/95 C
    MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause
  • 88/L/BQ L
    MISCELLANEOUS ACTS,CONDITIONS EXCESSIVE-WEAR/PLAY
  • 88/L/BU L
    MISCELLANEOUS ACTS,CONDITIONS FRAYED

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

Source: NTSB pre-1982 historical archive. Docket 3 2376. Source file NTSB_1981_3_2376.txt. Modern CAROL record on data.ntsb.gov ↗.

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