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Atlas / NTSB / SEA73ASO12

NTSB CAROL · Event

Event SEA73ASO12

1972-11-15 BRINNON, 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

PIPER PA-28 · N1964T

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

E

Weather

VMC

Phase of flight

DC

Operator type

Part 121 (air carrier)

Kind of flying

A0

Weather at impact

Sky

SCATTERED-ABOVE 1000 FEET

Aircraft history

Serial number

0028-7105197

Total time

684 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

1,050

Age

25

Probable cause (from PRE1982.MDB)

EES ON TOP OF RIDGE IN LVL FLT.MOONLIT NIGHT.

Investigator remarks

INSTRUMENT FLT INSTRUCTION OVR MT TERRAIN,HIT TR

Cause factors

  • 64/A/15 A
    PILOT IN COMMAND FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS Cause — pilot/personnel action
  • 64/A/30 A
    PILOT IN COMMAND INADEQUATE SUPERVISION OF FLIGHT 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 3607. Source file NTSB_1972_3_3607.txt. Modern CAROL record on data.ntsb.gov ↗.