Atlas / NTSB / MIA66F0058

NTSB CAROL · Event

Event MIA66F0058

1965-06-30 SAN JUAN, Puerto Rico, United States None 1 aircraft Status: Completed

Aircraft involved

N494DM BEECHCRAFT C45H 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

BEECHCRAFT C45H · N494DM

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EE

Operator type

E

Airport

ISLA GRANDE

Kind of flying

CI

Weather at impact

Sky

BROKEN

Wind

070° / 14 kt

Temp

80° F

Aircraft history

Total time

4,052 hrs

Pilot

Certificate

Commercial

Total hours

4,800

Age

30

Probable cause (from PRE1982.MDB)

R CHAIN TO MOVE OFF SPROCKET

Investigator remarks

RIGHT GEAR DRIVE SHAFT BEARINGS LOOSE CAUSIN GEA

Cause factors

70/A/CB A
AIRFRAME NORMAL RETRACTION/EXTENSION ASSEMBLY Cause — pilot/personnel action
88/A/AV A
MISCELLANEOUS ACTS,CONDITIONS LOOSE,PART/FITTING 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 1708. Source file NTSB_1965_3_1708.txt. Modern CAROL record on data.ntsb.gov ↗.

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