Atlas / NTSB / CHI77FEC10

NTSB CAROL · Event

Event CHI77FEC10

1977-01-23 DETROIT, Michigan, United States None 1 aircraft Status: Completed

Aircraft involved

N1572S Beech A55 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

BEECH A55 · N1572S

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dusk

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

Personal/private

Airport

DETROIT CITY

Kind of flying

B0

Weather at impact

Sky

OVERCAST

Aircraft history

Serial number

000000TC-316

Total time

4,180 hrs

Pilot

Certificate

Commercial

Total hours

471

Age

30

Probable cause (from PRE1982.MDB)

E/DIRT. PILOT REPORTED MODERATELY HARD LANDING.

Investigator remarks

GEAR BRACE WOULD NOT GO OVER CENTER DUE TO GREAS

Cause factors

70/A/CM A
AIRFRAME GEAR LOCKING MECHANISM Cause — pilot/personnel action
84/A/G A
MISCELLANEOUS FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS Cause — pilot/personnel action
64/J/25 J
PILOT IN COMMAND IMPROPER LEVEL OFF 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 0086. Source file NTSB_1977_3_0086.txt. Modern CAROL record on data.ntsb.gov ↗.

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