Atlas / NTSB / SEA71DWG09

NTSB CAROL · Event

Event SEA71DWG09

1970-05-22 LEWISTON, Idaho, United States None 1 aircraft Status: Completed

Aircraft involved

NONE Bensen B-8M 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

BENSEN B-8M · NONE

Damage

Substantial

Craft type

I

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

D

Airport

LEWISTON-NEZ PERC

Kind of flying

B0

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Aircraft history

Serial number

Z

Pilot

Certificate

IA (IA)

Total hours

4

Age

39

Probable cause (from PRE1982.MDB)

8-10FT AGL,DRFTD OFF RWY OVERTURNED.NOT REGISTERD

Investigator remarks

PLT SAID PERFORMING TAXI TESTS.ACFT OBSVD IN FLT

Cause factors

64/C/02 C
PILOT IN COMMAND ATTEMPTED OPERATION BEYOND EXPERIENCE/ABILITY LEVEL Cause
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 2739. Source file NTSB_1970_3_2739.txt. Modern CAROL record on data.ntsb.gov ↗.

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