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Atlas / NTSB / SEA81DYM20

NTSB CAROL · Event

Event SEA81DYM20

1981-02-10 PORTLAND, Oregon, United States None 1 aircraft Status: Completed

Registry · N5217M

FAA Aircraft Registry record.

Make / Model

TALOS DRONES T60X

0

ADS-B equipped

Yes — Mode-S A68FFE

Registrant of record

AMERICAN DRONE NETWORK LLC

Source: FAA Aircraft Registry (releasable master file).

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

BEECH C23 · N5217M

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

Personal/private

Airport

PORTLAND INTL

Kind of flying

A0

Weather at impact

Sky

OVERCAST

Wind

110° / 17 kt

Aircraft history

Serial number

0000000M2020

Total time

678 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

1,650

Age

35

Probable cause (from PRE1982.MDB)

S DMGD.

Investigator remarks

LND HARD AT SCAPPOOSE,CONT TO PORTLAND. RT GR WA

Cause factors

  • 64/A/30 A
    PILOT IN COMMAND INADEQUATE SUPERVISION OF FLIGHT Cause — pilot/personnel action
  • 66/A/50 A
    DUAL STUDENT Cause — pilot/personnel action
  • 66/A/25 A
    DUAL STUDENT Cause — pilot/personnel action
  • 88/J/94 J
    MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE Joint cause
  • 88/J/AH J
    MISCELLANEOUS ACTS,CONDITIONS PREVIOUS DAMAGE Joint cause
  • 88/1/AW 1
    MISCELLANEOUS ACTS,CONDITIONS FEMALE PILOT Subordinate · 1

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 0290. Source file NTSB_1981_3_0290.txt. Modern CAROL record on data.ntsb.gov ↗.