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Atlas / NTSB / UNK64X4220

NTSB CAROL · Event

Event UNK64X4220

1964-09-30 BUTLER, Pennsylvania, 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

LUSCOMBE 8E · N2527K

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

D

Airport

BUTLER GRAHAM

Kind of flying

A0

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Aircraft history

Total time

1,898 hrs

Pilot

Certificate

Commercial

Total hours

380

Age

31

Cause factors

  • 66/C/22 C
    DUAL STUDENT Cause
  • 64/C/30 C
    PILOT IN COMMAND INADEQUATE SUPERVISION OF FLIGHT 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 3083. Source file NTSB_1964_3_3083.txt. Modern CAROL record on data.ntsb.gov ↗.