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Atlas / NTSB / CHI75DEE25

NTSB CAROL · Event

Event CHI75DEE25

1974-10-12 HARVARD, Illinois, United States 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

PICCARD AX-6 · N88US

Damage

None

Craft type

D

Classification

Accident

Light condition

Dawn

Weather

IMC

Phase of flight

EE

Operator type

D

Kind of flying

DF

Weather at impact

Sky

OVERCAST

Wind

020° / 20 kt

Temp

65° F

Aircraft history

Serial number

000000000688

Total time

34 hrs

Pilot

Certificate

Commercial

Total hours

172

Age

33

Probable cause (from PRE1982.MDB)

FSS BRIEF.UN CK DESCENT RATE.DRAGGED ABT 200FT.

Investigator remarks

HOT AIR BALLOON.WX BRIEFED BY BALLOON MEISTER,NO

Cause factors

  • 64/A/29 A
    PILOT IN COMMAND INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING Cause — pilot/personnel action
  • 64/A/40 A
    PILOT IN COMMAND INITIATED FLIGHT IN ADVERSE WEATHER CONDITIONS Cause — pilot/personnel action
  • 82/J/H J
    WEATHER UNFAVORABLE WIND CONDITIONS Joint cause
  • 82/J/M J
    WEATHER DOWNDRAFT,UPDRAFTS Joint cause
  • 82/J/A J
    WEATHER LOW CEILING Joint cause
  • 82/J/C J
    WEATHER FOG 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 3423. Source file NTSB_1974_3_3423.txt. Modern CAROL record on data.ntsb.gov ↗.