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Atlas / NTSB / SEA73DYC27

NTSB CAROL · Event

Event SEA73DYC27

1973-04-21 PORTLAND, Oregon, United States None 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-22 · N7244D

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EE

Operator type

D

Airport

TROHS NEST

Kind of flying

B0

Weather at impact

Sky

CLEAR

Temp

58° F

Aircraft history

Serial number

0000022-5070

Total time

3,798 hrs

Pilot

Certificate

Commercial

Total hours

307

Age

30

Investigator remarks

PLT ATMTD TO TURN ACFT TO AVOID GOING OVR BANK

Cause factors

  • 64/C/46 C
    PILOT IN COMMAND MISJUDGED DISTANCE AND SPEED Cause
  • 64/C/82 C
    PILOT IN COMMAND FAILED TO INITIATE GO-AROUND Cause
  • 84/B/7 B
    MISCELLANEOUS EVASIVE MANEUVER TO AVOID COLLISION

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 2269. Source file NTSB_1973_3_2269.txt. Modern CAROL record on data.ntsb.gov ↗.