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Atlas / NTSB / SEA77FYE19

NTSB CAROL · Event

Event SEA77FYE19

1977-05-14 ENUMCLAW, Washington, United States None 1 aircraft Status: Completed

Registry · N17301

FAA Aircraft Registry record.

Make / Model

BOEING 737-8

Year of manufacture

2023

TCDS

A16WE · BOEING

Engine

CFM INTL LEAP-1B28 SER

Seats / Engines

175 seats · 2 engines

Last airworthiness date

20230329

ADS-B equipped

Yes — Mode-S A126C4

Registrant of record

UMB BANK NA TRUSTEE

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

BELL 47D1 · N17301

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise climb (DB)

Operator type

Part 121 (air carrier)

Kind of flying

A0

Weather at impact

Sky

BROKEN/LOWER SCATTERED

Wind

315° / 4 kt

Temp

50° F

Aircraft history

Serial number

000000WH5016

Total time

1,422 hrs

Pilot

Certificate

GA (GA)

Total hours

5,085

Age

29

Investigator remarks

INVESTIGATING OVERTURNED RAFT.STRUCK WIRES.

Cause factors

  • 64/A/15 A
    PILOT IN COMMAND FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS Cause — pilot/personnel action
  • 64/J/08 J
    PILOT IN COMMAND DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT Joint cause

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 2084. Source file NTSB_1977_3_2084.txt. Modern CAROL record on data.ntsb.gov ↗.