Skip to content

Atlas / NTSB / UNK64X1402

NTSB CAROL · Event

Event UNK64X1402

1964-04-21 IPSWICH, South Dakota, 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

CESSNA 180 · N6477X

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

B1

Operator type

D

Kind of flying

B2

Pilot

Certificate

B2 (B2)

Total hours

12,000

Age

388

Cause factors

  • 64/A/28 A
    PILOT IN COMMAND IMPROPER COMPENSATION FOR WIND CONDITIONS Cause — pilot/personnel action
  • 82/A/H A
    WEATHER UNFAVORABLE WIND CONDITIONS Cause — pilot/personnel action
  • 80/A/BN A
    AIRPORTS/AIRWAYS/FACILITIES WET RAMP/TAXIWAY 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 0992. Source file NTSB_1964_3_0992.txt. Modern CAROL record on data.ntsb.gov ↗.

Related research

What the literature says.

Academic papers and agency reports matching this event's aircraft type. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Browse the full corpus — academia portal ↗