Atlas / NTSB / SEA74DYG36

NTSB CAROL · Event

Event SEA74DYG36

1974-05-07 CRAIGMONT, Idaho, United States None 1 aircraft Status: Completed

Registry · N1720B

FAA Aircraft Registry record.

Make / Model

BOEING B75N1

Engine

LYCOMING R680 (215 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19860730

ADS-B equipped

Yes — Mode-S A122F5

Registrant of record

SMITH GEORGE B

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N1720B Stearman A75 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

STEARMAN A75 · N1720B

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)

Kind of flying

CB

Weather at impact

Sky

CLEAR

Temp

50° F

Aircraft history

Serial number

Z

Total time

5,000 hrs

Pilot

Certificate

Commercial

Total hours

5,200

Age

36

Probable cause (from PRE1982.MDB)

AST 24.

Investigator remarks

LND ON COUNTY ROAD FOR LOADING. FLEW 12 HRS IN L

Cause factors

64/C/79 C
PILOT IN COMMAND FAILED TO MAINTAIN DIRECTIONAL CONTROL Cause
83/J/F J
TERRAIN ROUGH/UNEVEN Joint cause
88/J/62 J
MISCELLANEOUS ACTS,CONDITIONS PILOT FATIGUE 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 1079. Source file NTSB_1974_3_1079.txt. Modern CAROL record on data.ntsb.gov ↗.

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