Atlas / NTSB / SEA73FYE07

NTSB CAROL · Event

Event SEA73FYE07

1972-07-20 OLYMPIA, Washington, United States Minor 1 aircraft Status: Completed

Aircraft involved

N3685 Bensen B8M Minor

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

BENSEN B8M · N3685

Damage

Substantial

Craft type

I

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

DC

Operator type

D

Airport

OLYMPIA

Kind of flying

A3

Weather at impact

Sky

CLEAR

Wind

010° / 5 kt

Aircraft history

Serial number

000000000517

Total time

100 hrs

Pilot

Certificate

Commercial — instrument

Total hours

408

Age

62

Probable cause (from PRE1982.MDB)

COPTER QUALICATION UNDETERMINED.

Investigator remarks

LOST CTL PRACTISING LOW ALT MANEUVERS. PLTS GYRO

Cause factors

64/A/23 A
PILOT IN COMMAND IMPROPER OPERATION OF FLIGHT CONTROLS 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 1053. Source file NTSB_1972_3_1053.txt. Modern CAROL record on data.ntsb.gov ↗.

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