Atlas / NTSB / ANC77FA059

NTSB CAROL · Event

Event ANC77FA059

1977-07-13 BETTLES, Alaska, United States Minor 1 aircraft Status: Completed

Aircraft involved

N49734 Bell 206B 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

BELL 206B · N49734

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

G

Kind of flying

DQ

Weather at impact

Sky

CLEAR

Wind

135° / 3 kt

Temp

55° F

Aircraft history

Serial number

000000001915

Total time

930 hrs

Pilot

Certificate

Commercial

Total hours

5,625

Age

34

Probable cause (from PRE1982.MDB)

PPLY FUEL UNDER 8GALS FUEL STATE.AVOIDING TREES.

Investigator remarks

FWD BOOST PUMP NOISY,C/B PULLED.REAR PUMP UN SUP

Cause factors

68/C/J6 C
PERSONNEL OTHER Cause
74/C/SY C
POWERPLANT OTHER Cause
88/C/96 C
MISCELLANEOUS ACTS,CONDITIONS FUEL STARVATION Cause
84/B/7 B
MISCELLANEOUS EVASIVE MANEUVER TO AVOID COLLISION
74/L/SB L
POWERPLANT PUMP,FUEL
88/L/BS L
MISCELLANEOUS ACTS,CONDITIONS FLUCTUATING
88/K/AQ K
MISCELLANEOUS ACTS,CONDITIONS DOWNWIND 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 3262. Source file NTSB_1977_3_3262.txt. Modern CAROL record on data.ntsb.gov ↗.

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