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Atlas / NTSB / CHI74FEV49

NTSB CAROL · Event

Event CHI74FEV49

1974-05-01 SPRINGFIELD, Illinois, 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

HILLER ACFT UH-12A · N7636B

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EE

Operator type

D

Airport

CAPITAL

Kind of flying

DB

Weather at impact

Sky

OVERCAST

Wind

010° / 11 kt

Temp

66° F

Aircraft history

Serial number

000051-16107

Total time

596 hrs

Pilot

Certificate

DA (DA)

Total hours

21,000

Age

51

Probable cause (from PRE1982.MDB)

ROPERLY.STRUCK TAIL ON EXPEDITED LDG.M/R HIT TAIL.

Investigator remarks

NOT ROTORCRAFT RATED.ADJUSTED BLADE TRIM TAB IMP

Cause factors

  • 64/A/02 A
    PILOT IN COMMAND ATTEMPTED OPERATION BEYOND EXPERIENCE/ABILITY LEVEL Cause — pilot/personnel action
  • 64/A/49 A
    PILOT IN COMMAND MISJUDGED SPEED AND ALTITUDE Cause — pilot/personnel action
  • 68/J/D1 J
    PERSONNEL IMPROPER MAINTENANCE (OWNER PERSONNEL) Joint cause
  • 78/J/AJ J
    ROTORCRAFT BLADE TRIM TABS Joint cause
  • 64/J/31 J
    PILOT IN COMMAND LACK OF FAMILIARITY WITH AIRCRAFT 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 1913. Source file NTSB_1974_3_1913.txt. Modern CAROL record on data.ntsb.gov ↗.