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Atlas / NTSB / SEA71FWD03

NTSB CAROL · Event

Event SEA71FWD03

1970-07-12 OLYMPIA, Washington, United States Fatal 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

VANCRAFT GC-1 · N3631

Damage

Destroyed

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — level (EA)

Operator type

D

Airport

OLYMPIA

Kind of flying

A3

Weather at impact

Sky

CLEAR

Wind

020° / 7 kt

Temp

75° F

Aircraft history

Serial number

00000000EC-1

Total time

20 hrs

Pilot

Certificate

Airline transport

Total hours

17

Age

33

Probable cause (from PRE1982.MDB)

GRND.APRX FULL POWER ON AT IMPACT.

Investigator remarks

ACFT OBSERVED TO ROLL UP ON SIDE AND PLUMMET TO

Cause factors

  • 84/A/I A
    MISCELLANEOUS UNDETERMINED Cause — pilot/personnel action

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 0973. Source file NTSB_1970_3_0973.txt. Modern CAROL record on data.ntsb.gov ↗.