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Atlas / NTSB / MKC70A0033

NTSB CAROL · Event

Event MKC70A0033

1969-12-15 CLEAR LAKE, Iowa, United States Fatal 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

ALON A-2A · N5646F

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dusk

Weather

VMC

Phase of flight

D9

Operator type

Personal/private

Airport

MASON CITY

Kind of flying

B2

Weather at impact

Sky

OVERCAST

Wind

330° / 8 kt

Temp

F

Aircraft history

Serial number

0000000B-246

Total time

554 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

860

Age

28

Probable cause (from PRE1982.MDB)

. LOW CLOUD DECK UNFCST. RECOVERY DATE 12/15/69.

Investigator remarks

CP BELIEVED TO HAVE LOST CONTROL DURING CLIMBOUT

Cause factors

  • 65/A/66 A
    COPILOT Cause — pilot/personnel action
  • 64/A/30 A
    PILOT IN COMMAND INADEQUATE SUPERVISION OF FLIGHT Cause — pilot/personnel action
  • 68/J/F0 J
    PERSONNEL INCORRECT WEATHER FORECAST Joint cause
  • 82/J/A J
    WEATHER LOW CEILING 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 3578. Source file NTSB_1969_3_3578.txt. Modern CAROL record on data.ntsb.gov ↗.