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Atlas / NTSB / UNK64X1265

NTSB CAROL · Event

Event UNK64X1265

1964-04-11 HAYS, Kansas, 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

PIPER PA20 · N7475K

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

Personal/private

Airport

THONSON

Kind of flying

B1

Weather at impact

Sky

CLEAR

Pilot

Certificate

B2 (B2)

Total hours

755

Age

455

Cause factors

  • 64/A/22 A
    PILOT IN COMMAND IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS 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 0893. Source file NTSB_1964_3_0893.txt. Modern CAROL record on data.ntsb.gov ↗.