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Atlas / NTSB / ANC76AA036

NTSB CAROL · Event

Event ANC76AA036

1975-09-13 JUNEAU, Alaska, United States Fatal 1 aircraft Status: Completed

Registry · N240W

FAA Aircraft Registry record.

Make / Model

VAN'S AIRCRAFT RV-4

Year of manufacture

1987

Engine

LYCOMING 0-320 SERIES (180 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19870404

ADS-B equipped

Yes — Mode-S A231F3

Registrant of record

WELSH DAVID G

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

BEECH N35 · N240W

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

IMC

Phase of flight

D1

Operator type

D

Kind of flying

B0

Weather at impact

Sky

OVERCAST

Aircraft history

Serial number

000000D-6834

Total time

2,900 hrs

Pilot

Certificate

Commercial

Total hours

964

Age

49

Probable cause (from PRE1982.MDB)

& PAX DIED AFTER ACCDT.

Investigator remarks

FLEW INTO MTN SLOPE. RECOVERY DATE 9/16/75. PLT

Cause factors

  • 64/A/04 A
    PILOT IN COMMAND CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS Cause — pilot/personnel action
  • 64/J/27 J
    PILOT IN COMMAND IMPROPER IN-FLIGHT DECISIONS OR PLANNING Joint cause
  • 64/J/03 J
    PILOT IN COMMAND BECAME LOST/DISORIENTED Joint cause
  • 83/J/I J
    TERRAIN HIGH OBSTRUCTIONS Joint cause
  • 82/J/A J
    WEATHER LOW CEILING Joint cause
  • 82/J/B J
    WEATHER RAIN 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 4094. Source file NTSB_1975_3_4094.txt. Modern CAROL record on data.ntsb.gov ↗.