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Atlas / NTSB / OAK69D0171

NTSB CAROL · Event

Event OAK69D0171

1968-11-02 HANAPEPE, Hawaii, 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

BELL 206A · N6255N

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

E

Airport

PORT ALLEN

Kind of flying

CI

Weather at impact

Sky

CLEAR

Wind

060° / 8 kt

Temp

80° F

Aircraft history

Total time

973 hrs

Pilot

Certificate

Commercial

Total hours

2,071

Age

25

Probable cause (from PRE1982.MDB)

CAVENGE PUMP,PUMP FAILED,ENG SEIZED.

Investigator remarks

NO 7 BEARING SEPARATOR FAILED,PIECES WENT INTO S

Cause factors

  • 74/C/PM C
    POWERPLANT BEARING,SHAFT Cause
  • 88/C/95 C
    MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause
  • 74/C/R2 C
    POWERPLANT PUMP,SCAVENGE Cause
  • 88/C/97 C
    MISCELLANEOUS ACTS,CONDITIONS OIL STARVATION Cause
  • 83/B/F B
    TERRAIN ROUGH/UNEVEN

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 3 4205. Source file NTSB_1968_3_4205.txt. Modern CAROL record on data.ntsb.gov ↗.