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Atlas / NTSB / OAK76IP059

NTSB CAROL · Event

Event OAK76IP059

1976-06-28 CHICO, California, United States None 1 aircraft Status: Completed

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

DOUGLAS C-54B · N74183

Damage

Minor

Craft type

Airplane

Classification

C

Light condition

Dawn

Weather

VMC

Phase of flight

D0

Operator type

D

Airport

CHICO MUNICIPAL

Kind of flying

DD

Weather at impact

Sky

CLEAR

Wind

140° / 12 kt

Aircraft history

Serial number

000000010314

Total time

58,643 hrs

Pilot

Certificate

GA (GA)

Total hours

8,100

Age

36

Probable cause (from PRE1982.MDB)

CTN.ACFT EXPERIMENTAL CERT EXPIRED.

Investigator remarks

HYDRAULIC LINE RUPTURED.FLUID FED FIRE ACCSSRY S

Cause factors

  • 75/A/BD A
    SYSTEMS RESERVOIR,LINES,FITTINGS Cause — pilot/personnel action
  • 88/A/38 A
    MISCELLANEOUS ACTS,CONDITIONS HYDRAULIC FAILURE Cause — pilot/personnel action
  • 88/A/95 A
    MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause — pilot/personnel action
  • 88/A/51 A
    MISCELLANEOUS ACTS,CONDITIONS FIRE IN ENGINE Cause — pilot/personnel action
  • 68/J/D6 J
    PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION 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 5 0017. Source file NTSB_1976_5_0017.txt. Modern CAROL record on data.ntsb.gov ↗.