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Atlas / NTSB / CHI68F0351

NTSB CAROL · Event

Event CHI68F0351

1967-10-11 MILWAUKEE, Wisconsin, 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

BEECH D50A · N510H

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EE

Operator type

E

Airport

GEN.MITCHELL

Kind of flying

DD

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Wind

270° / 15 kt

Aircraft history

Total time

2,935 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

4,100

Age

27

Probable cause (from PRE1982.MDB)

NG RETAINER FAILED.32 HRS SINCE ANNUAL INSPECTION.

Investigator remarks

NOSE GEAR ACTUATOR ROTATED IMPROPERLY WHEN BEARI

Cause factors

  • 70/A/CB A
    AIRFRAME NORMAL RETRACTION/EXTENSION ASSEMBLY Cause — pilot/personnel action
  • 70/A/CC A
    AIRFRAME EMERGENCY/EXTENSION ASSEMBLY Cause — pilot/personnel action
  • 88/A/CD A
    MISCELLANEOUS ACTS,CONDITIONS JAMMED Cause — pilot/personnel action
  • 88/A/80 A
    MISCELLANEOUS ACTS,CONDITIONS LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM Cause — pilot/personnel action
  • 68/A/D6 A
    PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION 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 3640. Source file NTSB_1967_3_3640.txt. Modern CAROL record on data.ntsb.gov ↗.