Atlas / NTSB / SEA71DYG53

NTSB CAROL · Event

Event SEA71DYG53

1971-05-18 WATERVILLE, Washington, United States None 1 aircraft Status: Completed

Aircraft involved

N56929 Boeing A75N None

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

BOEING A75N · N56929

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

Part 135 (air taxi/commuter)

Airport

WATERVILLE

Kind of flying

CB

Weather at impact

Sky

CLEAR

Wind

180° / 6 kt

Aircraft history

Serial number

0000075-1511

Total time

4,892 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

15,000

Age

55

Cause factors

64/C/79 C
PILOT IN COMMAND FAILED TO MAINTAIN DIRECTIONAL CONTROL 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 1718. Source file NTSB_1971_3_1718.txt. Modern CAROL record on data.ntsb.gov ↗.

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