Event UNK65X0828

1964-11-25 COVINGTON, Kentucky, United States None 1 aircraft Status: Completed

Aircraft involved

N611Z CURTISS C-46 None

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

CURTISS C-46 · N611Z

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dusk

Weather

VMC

Phase of flight

Cruise — descent (EF)

Airport

GREATR CINCINNATI

Weather at impact

Sky

CLEAR

Wind

260° / 5 kt

Temp

41° F

Aircraft history

Total time

18,467 hrs

Probable cause (from PRE1982.MDB)

EDS GEAR WARN IND FALSE DUE DIRT & OIL ON SWITCH

Investigator remarks

BUSHNG-P/N 20-310-1032-2 NOT MFGD TO MATERIAL SP

Cause factors

70/A/CM A
AIRFRAME GEAR LOCKING MECHANISM Cause — pilot/personnel action
70/A/CL A
AIRFRAME LANDING GEAR WARNING AND INDICATING COMPONENTS Cause — pilot/personnel action
68/A/D6 A
PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION Cause — pilot/personnel action
88/J/BQ J
MISCELLANEOUS ACTS,CONDITIONS EXCESSIVE-WEAR/PLAY Joint cause
68/1/JC 1
PERSONNEL Subordinate · 1

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 1 0071. Source file NTSB_1964_1_0071.txt. Modern CAROL record on data.ntsb.gov ↗.

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