Atlas / NTSB / ANC71DAG94

NTSB CAROL · Event

Event ANC71DAG94

1971-05-26 SKWENTNA, Alaska, United States None 1 aircraft Status: Completed

Registry · N3677M

FAA Aircraft Registry record.

Make / Model

PIPER PA-12

Year of manufacture

1947 · 24 years old at event

Engine

LYCOMING 0-320 SERIES (180 hp)

Seats / Engines

3 seats · 1 engine

Last airworthiness date

19980720

ADS-B equipped

Yes — Mode-S A429A6

Registrant of record

KETCHUM JEREMY W

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N3677M Piper PA-12 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

PIPER PA-12 · N3677M

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

D

Kind of flying

B0

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Aircraft history

Serial number

0000012-2531

Total time

415 hrs

Pilot

Certificate

Commercial — instrument

Total hours

104

Age

35

Probable cause (from PRE1982.MDB)

HEAVY BRAKING TO STOP SHORT OF RIVER.

Investigator remarks

LINT FOUND IN CARB SCREEN. LNDD ON SAND BAR USED

Cause factors

88/C/64 C
MISCELLANEOUS ACTS,CONDITIONS FUEL CONTAMINATION-EXCLUSIVE OF WATER IN FUEL Cause
88/C/96 C
MISCELLANEOUS ACTS,CONDITIONS FUEL STARVATION Cause
83/B/K B
TERRAIN SANDY
88/K/AQ K
MISCELLANEOUS ACTS,CONDITIONS DOWNWIND Joint factor

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 1698. Source file NTSB_1971_3_1698.txt. Modern CAROL record on data.ntsb.gov ↗.

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