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Atlas / NTSB / ANC82FA006

NTSB CAROL · Event

Event ANC82FA006

1981-11-06 SKWENTNA, Alaska, United States Fatal 1 aircraft Status: Completed

Registry · N91083

FAA Aircraft Registry record.

Make / Model

PIPER PA-12

Engine

LYCOMING 0-235 SERIES (115 hp)

Seats / Engines

3 seats · 1 engine

Last airworthiness date

19871208

ADS-B equipped

Yes — Mode-S AC9A37

Registrant of record

CAHILL MARGARET 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

CESSNA 207 · N91083

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

Z

Phase of flight

D1

Operator type

Personal/private

Kind of flying

DD

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Aircraft history

Serial number

000020700064

Total time

6,366 hrs

Pilot

Certificate

Commercial

Total hours

3,400

Age

29

Probable cause (from PRE1982.MDB)

.DRUG SCREEN POS FOR CANNABINOIDS,ACETAMINOPHEN.

Investigator remarks

OPERATOR CAUTIONED PLT AGAINST USING MYSTIC PASS

Cause factors

  • 64/A/04 A
    PILOT IN COMMAND CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS Cause — pilot/personnel action
  • 64/J/20 J
    PILOT IN COMMAND FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC. Joint cause
  • 82/J/D J
    WEATHER SNOW Joint cause
  • 88/J/78 J
    MISCELLANEOUS ACTS,CONDITIONS WHITEOUT 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 3683. Source file NTSB_1981_3_3683.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 ↗