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Atlas / NTSB / CHI66D0721

NTSB CAROL · Event

Event CHI66D0721

1966-04-09 NAPERVILLE, 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

CHAMPION 7ECA · N9513S

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Takeoff — initial climb (C1)

Operator type

Part 91 (general aviation)

Airport

NAPER AERO

Kind of flying

A0

Weather at impact

Sky

BROKEN

Wind

315° / 5 kt

Temp

40° F

Aircraft history

Total time

85 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

380

Age

48

Cause factors

  • 66/A/16 A
    DUAL STUDENT Cause — pilot/personnel action
  • 64/A/30 A
    PILOT IN COMMAND INADEQUATE SUPERVISION OF FLIGHT 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 0940. Source file NTSB_1966_3_0940.txt. Modern CAROL record on data.ntsb.gov ↗.