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Atlas / NTSB / CHI73DEP66

NTSB CAROL · Event

Event CHI73DEP66

1973-06-24 APPLETON, Wisconsin, 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

BELL 47G-5 · N7840S

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

DH

Operator type

Part 135 (air taxi/commuter)

Kind of flying

CA

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

000000007861

Total time

1,427 hrs

Pilot

Certificate

Commercial

Total hours

3,500

Age

33

Probable cause (from PRE1982.MDB)

NE LINES ABV SKID AREA.

Investigator remarks

WIRES 20FT AGL,AT END OF 2ND PASS HOOKED TELEPHO

Cause factors

  • 64/A/54 A
    PILOT IN COMMAND MISJUDGED CLEARANCE Cause — pilot/personnel action
  • 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 1239. Source file NTSB_1973_3_1239.txt. Modern CAROL record on data.ntsb.gov ↗.