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Atlas / NTSB / OAK70OP012

NTSB CAROL · Event

Event OAK70OP012

1970-03-20 OSHIMA ISLE, Other Foreign, Japan Serious 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 DC-6 · N90781

Damage

None

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Weather at impact

Sky

OVERCAST

Aircraft history

Serial number

Z

Pilot

Certificate

DA (DA)

Total hours

15,000

Probable cause (from PRE1982.MDB)

TRATED CLOUD TOPS.

Investigator remarks

FLT ATTENDANT BROKE LEG. WEA BRIEF BY USAF. PENE

Cause factors

  • 82/A/L A
    WEATHER TURBULENCE, ASSOCIATED W/CLOUDS AND/OR THUNDERSTORMS Cause — pilot/personnel action
  • 88/J/CZ J
    MISCELLANEOUS ACTS,CONDITIONS SEAT BELT SIGN ON 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 1 0018. Source file NTSB_1970_1_0018.txt. Modern CAROL record on data.ntsb.gov ↗.