Atlas / NTSB / FTW81FA020

NTSB CAROL · Event

Event FTW81FA020

1980-12-31 PATTERSON, Louisiana, United States None 1 aircraft Status: Completed

Aircraft involved

N222LM Bell 206B 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

BELL 206B · N222LM

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Takeoff — initial climb (C1)

Operator type

E

Airport

EUGENE ISLAND

Kind of flying

CI

Weather at impact

Sky

CLEAR

Wind

240° / 12 kt

Aircraft history

Serial number

000000001916

Total time

3,316 hrs

Pilot

Certificate

Commercial

Total hours

2,694

Age

34

Probable cause (from PRE1982.MDB)

.MALF INNER VALVE RESTRICTED PRESS TO FLOAT.

Investigator remarks

FATIGUE FAILURE OF 2ND STAGE TURBINE WHEEL BLADE

Cause factors

74/C/PH C
POWERPLANT BLADE,TURBINE WHEEL Cause
88/C/36 C
MISCELLANEOUS ACTS,CONDITIONS FATIGUE FRACTURE Cause
78/B/D5 B
ROTORCRAFT EMERGENCY FLOTATION GEAR
88/B/CL B
MISCELLANEOUS ACTS,CONDITIONS PRESSURE TOO LOW
83/K/G K
TERRAIN ROUGH WATER Joint factor
88/K/88 K
MISCELLANEOUS ACTS,CONDITIONS AIRCRAFT CAME TO REST IN WATER Joint factor

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 3691. Source file NTSB_1980_3_3691.txt. Modern CAROL record on data.ntsb.gov ↗.

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