Atlas / NTSB / IAD74FKW22

NTSB CAROL · Event

Event IAD74FKW22

1974-01-12 TULLAHOMA, Tennessee, United States Minor 1 aircraft Status: Completed

Registry · N66329

FAA Aircraft Registry record.

Make / Model

AERONCA 7BCM

Engine

CONT MOTOR C85 SERIES (85 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19560504

ADS-B equipped

Yes — Mode-S A8C21E

Registrant of record

NELCO FARMS INC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N66329 Aeronca L-16 Minor

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

AERONCA L-16 · N66329

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D0

Operator type

J

Airport

RUTLEDGE

Kind of flying

B1

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

00007BCM-176

Total time

2,321 hrs

Pilot

Certificate

Commercial

Total hours

306

Age

26

Probable cause (from PRE1982.MDB)

KEOFF.PLT TURNED BACK TO ARPT OPEN FLD AHEAD.

Investigator remarks

ALL SPARK PLUG FOUND BAD.ENGINE LOST POWER ON TA

Cause factors

68/C/D6 C
PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION Cause
74/C/BC C
POWERPLANT SPARK PLUG Cause
64/B/25 B
PILOT IN COMMAND IMPROPER LEVEL OFF
64/B/27 B
PILOT IN COMMAND IMPROPER IN-FLIGHT DECISIONS OR PLANNING
88/K/94 K
MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE 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 1597. Source file NTSB_1974_3_1597.txt. Modern CAROL record on data.ntsb.gov ↗.

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