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Atlas / NTSB / CHI78FEC08

NTSB CAROL · Event

Event CHI78FEC08

1977-12-03 PLYMOUTH, Michigan, 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

BELL 47J2A · N1190W

Damage

Destroyed

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

B9

Operator type

D

Airport

METTETAL

Kind of flying

B0

Weather at impact

Sky

OVERCAST

Aircraft history

Serial number

000000003302

Total time

3,510 hrs

Pilot

Certificate

Commercial — instrument

Total hours

2,955

Age

45

Cause factors

  • 64/A/23 A
    PILOT IN COMMAND IMPROPER OPERATION OF FLIGHT CONTROLS Cause — pilot/personnel action
  • 64/A/54 A
    PILOT IN COMMAND MISJUDGED CLEARANCE Cause — pilot/personnel action

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 4169. Source file NTSB_1977_3_4169.txt. Modern CAROL record on data.ntsb.gov ↗.