Atlas / NTSB / DEN82FA003

NTSB CAROL · Event

Event DEN82FA003

1981-10-20 SPRINGVILLE, Utah, United States Minor 1 aircraft Status: Completed

Aircraft involved

N49531 AEROSPATIAL SA315B Minor

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

AEROSPATIAL SA315B · N49531

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D0

Operator type

E

Kind of flying

CI

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

000000002497

Total time

2,899 hrs

Pilot

Certificate

GA (GA)

Total hours

3,503

Age

33

Probable cause (from PRE1982.MDB)

D.LNDD ON NARROW RD LINED W TREES,ROLLED OVR.

Investigator remarks

INCORRECT ENG MOUNT INSTALLED,PWR TRN NOT ALIGNE

Cause factors

68/C/D0 C
PERSONNEL IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) Cause
78/C/BJ C
ROTORCRAFT CLUTCH ASSEMBLY Cause
88/C/47 C
MISCELLANEOUS ACTS,CONDITIONS IMPROPER ALIGNMENT/ADJUSTMENT Cause
88/C/46 C
MISCELLANEOUS ACTS,CONDITIONS WRONG PART 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 2485. Source file NTSB_1981_3_2485.txt. Modern CAROL record on data.ntsb.gov ↗.

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