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Atlas / NTSB / ANC74DAG01

NTSB CAROL · Event

Event ANC74DAG01

1973-06-28 SKWENTNA, Alaska, United States None 1 aircraft Status: Completed

Registry · N2230C

FAA Aircraft Registry record.

Make / Model

CESSNA 180

Engine

CONT MOTOR O-470 SERIES (230 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19560308

ADS-B equipped

Yes — Mode-S A1EE81

Registrant of record

HENDRICKS CONSTRUCTION LLC

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

CESSNA 180 · N2230C

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

D

Airport

CHELATNA LAKE LOD

Kind of flying

B0

Weather at impact

Sky

CLEAR

Temp

75° F

Aircraft history

Serial number

000000030530

Total time

2,237 hrs

Pilot

Certificate

Commercial — instrument

Total hours

225

Age

30

Probable cause (from PRE1982.MDB)

BRAKE INOP.

Investigator remarks

L BRAKE CYL PISTON ROD TERMINAL END UNSCREWED. L

Cause factors

  • 64/A/79 A
    PILOT IN COMMAND FAILED TO MAINTAIN DIRECTIONAL CONTROL Cause — pilot/personnel action
  • 70/A/CJ A
    AIRFRAME BRAKING SYSTEM (NORMAL SYSTEM) Cause — pilot/personnel action
  • 88/A/BM A
    MISCELLANEOUS ACTS,CONDITIONS DISCONNECTED 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 2225. Source file NTSB_1973_3_2225.txt. Modern CAROL record on data.ntsb.gov ↗.

Related research

What the literature says.

Academic papers and agency reports matching this event's aircraft type. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Browse the full corpus — academia portal ↗