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Atlas / NTSB / ANC76AA002

NTSB CAROL · Event

Event ANC76AA002

1975-06-28 NONDALTON, Alaska, 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 47G-3 · N8414E

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

C2

Operator type

E

Kind of flying

CI

Weather at impact

Sky

CLEAR

Wind

045° / 5 kt

Temp

60° F

Aircraft history

Serial number

000000002598

Total time

2,744 hrs

Pilot

Certificate

Commercial

Total hours

2,743

Age

40

Probable cause (from PRE1982.MDB)

YING TO REGAIN RPM.

Investigator remarks

LOST ROTOR RPM AFTER LIFT OFF. HIT TREE WHILE TR

Cause factors

  • 64/A/18 A
    PILOT IN COMMAND FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M. Cause — pilot/personnel action
  • 64/A/15 A
    PILOT IN COMMAND FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS Cause — pilot/personnel action
  • 64/J/08 J
    PILOT IN COMMAND DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT Joint cause
  • 83/J/I J
    TERRAIN HIGH OBSTRUCTIONS 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 1593. Source file NTSB_1975_3_1593.txt. Modern CAROL record on data.ntsb.gov ↗.