Atlas / NTSB / DEN78FI063

NTSB CAROL · Event

Event DEN78FI063

1978-08-18 PUEBLO, Colorado, United States None 1 aircraft Status: Completed

Aircraft involved

N20 Beech 65-80 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 65-80 · N20

Damage

Minor

Craft type

Airplane

Classification

C

Light condition

Dawn

Weather

VMC

Phase of flight

C0

Operator type

G

Airport

PUEBLO MEMORIAL

Kind of flying

A2

Weather at impact

Sky

OVERCAST

Aircraft history

Serial number

0000000LB-83

Total time

8,139 hrs

Pilot

Certificate

GA (GA)

Total hours

10,000

Age

49

Probable cause (from PRE1982.MDB)

OID VALUE OF L ENG 3 TURNS LOOSE.

Investigator remarks

B NUT,P/N AN924-4,ON OUTLET SIDE OF HEATER SOLEN

Cause factors

68/A/D0 A
PERSONNEL IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) Cause — pilot/personnel action
74/A/CB A
POWERPLANT LINES AND FITTINGS Cause — pilot/personnel action
88/A/AU A
MISCELLANEOUS ACTS,CONDITIONS UNDER TORQUED Cause — pilot/personnel action
88/J/51 J
MISCELLANEOUS ACTS,CONDITIONS FIRE IN ENGINE 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 5 0020. Source file NTSB_1978_5_0020.txt. Modern CAROL record on data.ntsb.gov ↗.

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