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Atlas / NTSB / SEA74DYE03

NTSB CAROL · Event

Event SEA74DYE03

1973-07-07 RENTON, Washington, United States None 1 aircraft Status: Completed

Registry · N2SW

FAA Aircraft Registry record.

Make / Model

AIRBUS HELICOPTERS AS 350B3

Year of manufacture

2019

TCDS

H9EU · AIRBUS HELICOPTERS

Engine

SAFRAN ARRIEL 2D (952 hp)

Seats / Engines

7 seats · 1 engine

Last airworthiness date

20200630

ADS-B equipped

Yes — Mode-S A18EF6

Registrant of record

ECHO MATRIX 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

HUGHES 269A · N2SW

Damage

Destroyed

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D5

Operator type

E

Kind of flying

DC

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

00000043-197

Total time

1,040 hrs

Pilot

Certificate

GA (GA)

Total hours

2,800

Age

33

Cause factors

  • 64/A/23 A
    PILOT IN COMMAND IMPROPER OPERATION OF FLIGHT CONTROLS Cause — pilot/personnel action
  • 64/A/18 A
    PILOT IN COMMAND FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M. 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 2893. Source file NTSB_1973_3_2893.txt. Modern CAROL record on data.ntsb.gov ↗.