Atlas / NTSB / ANC74GAG10

NTSB CAROL · Event

Event ANC74GAG10

1973-07-22 WASILLA, Alaska, United States None 1 aircraft Status: Completed

Registry · N70656

FAA Aircraft Registry record.

Make / Model

PIPER J3C-65

Year of manufacture

1946 · 27 years old at event

Engine

CONT MOTOR C90 SERIES (95 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19610705

ADS-B equipped

Yes — Mode-S A96DFE

Registrant of record

RAWLIUK ROBERT A

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N70656 Piper J3 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 J3 · N70656

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D0

Operator type

D

Airport

WASILLA

Kind of flying

B0

Weather at impact

Sky

SCATTERED-ABOVE 1000 FEET

Aircraft history

Serial number

000000017676

Total time

1,520 hrs

Pilot

Certificate

Commercial — instrument

Total hours

392

Age

49

Probable cause (from PRE1982.MDB)

TO CLR TREES SHRT OF RWY.4HRS SINCE OVRHAUL.

Investigator remarks

SPARKPLUG BLEW OUT INFLT.FAILED TO USE PWR AVAIL

Cause factors

68/C/D0 C
PERSONNEL IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) Cause
64/C/29 C
PILOT IN COMMAND INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING Cause
74/C/BC C
POWERPLANT SPARK PLUG Cause
88/C/AU C
MISCELLANEOUS ACTS,CONDITIONS UNDER TORQUED Cause
64/B/21 B
PILOT IN COMMAND IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS

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 2533. Source file NTSB_1973_3_2533.txt. Modern CAROL record on data.ntsb.gov ↗.

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