Atlas / NTSB / MKC67D0091

NTSB CAROL · Event

Event MKC67D0091

1966-07-16 CHESTERFIELD, Missouri, United States None 1 aircraft Status: Completed

Aircraft involved

N1933Y Mooney M20E 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

MOONEY M20E · N1933Y

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EE

Operator type

D

Airport

SPIRIT OF ST.LUIS

Kind of flying

B1

Weather at impact

Sky

CLEAR

Aircraft history

Total time

607 hrs

Pilot

Certificate

Commercial — instrument

Total hours

1,025

Age

37

Investigator remarks

PILOT KNEW GEAR WARNING HORN WAS INOPERATIVE.

Cause factors

64/A/10 A
PILOT IN COMMAND FAILED TO EXTEND LANDING GEAR Cause — pilot/personnel action
88/J/03 J
MISCELLANEOUS ACTS,CONDITIONS CHECKLIST-FAILED TO USE Joint cause
70/J/CL J
AIRFRAME LANDING GEAR WARNING AND INDICATING COMPONENTS 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 3391. Source file NTSB_1966_3_3391.txt. Modern CAROL record on data.ntsb.gov ↗.

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