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Atlas / NTSB / ANC76AA109

NTSB CAROL · Event

Event ANC76AA109

1976-07-09 JUNEAU, Alaska, United States Serious 1 aircraft Status: Completed

Aircraft involved

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

HUGHES 369HS · N55ST

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — level (EA)

Operator type

E

Kind of flying

CI

Weather at impact

Sky

OVERCAST

Wind

090° / 2 kt

Temp

56° F

Aircraft history

Serial number

000AC2507015

Pilot

Certificate

Commercial

Total hours

3,624

Age

32

Cause factors

  • 68/C/D2 C
    PERSONNEL IMPROPERLY SERVICED AIRCRAFT (GROUND CREW) Cause
  • 88/C/64 C
    MISCELLANEOUS ACTS,CONDITIONS FUEL CONTAMINATION-EXCLUSIVE OF WATER IN FUEL Cause
  • 83/K/I K
    TERRAIN HIGH OBSTRUCTIONS 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 1815. Source file NTSB_1976_3_1815.txt. Modern CAROL record on data.ntsb.gov ↗.