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Atlas / NTSB / ANC71DAG14

NTSB CAROL · Event

Event ANC71DAG14

1970-08-09 CHISTOCHINA, Alaska, United States Minor 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

PIPER PA-12 · N3383M

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Takeoff — initial climb (C1)

Operator type

D

Kind of flying

B0

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Wind

090° / 8 kt

Aircraft history

Serial number

0000012-2231

Total time

4,326 hrs

Pilot

Certificate

Commercial — instrument

Total hours

1,500

Age

29

Probable cause (from PRE1982.MDB)

MAKING TURN TO AVOID OBSTR TRRN.

Investigator remarks

ENCTRD DWNDRAFT AFTER TKOF.ACFT HIT TREES WHILE

Cause factors

  • 64/A/35 A
    PILOT IN COMMAND SELECTED UNSUITABLE TERRAIN Cause — pilot/personnel action
  • 64/A/16 A
    PILOT IN COMMAND FAILED TO OBTAIN/MAINTAIN FLYING SPEED Cause — pilot/personnel action
  • 83/A/I A
    TERRAIN HIGH OBSTRUCTIONS Cause — pilot/personnel action
  • 82/J/M J
    WEATHER DOWNDRAFT,UPDRAFTS 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 3 3233. Source file NTSB_1970_3_3233.txt. Modern CAROL record on data.ntsb.gov ↗.