Atlas / NTSB / CHI67D0455

NTSB CAROL · Event

Event CHI67D0455

1966-12-24 WINNECONNE, Wisconsin, United States None 1 aircraft Status: Completed

Registry · N7987L

FAA Aircraft Registry record.

Make / Model

BEECH A23-24

Year of manufacture

1966 · 0 years old at event

Engine

LYCOMING I0360 SER (180 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19661117

ADS-B equipped

Yes — Mode-S AAD915

Registrant of record

WHITTEN MICHAEL NEIL

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N7987L Beech A23-24 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

BEECH A23-24 · N7987L

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

E

Airport

COURTNEY-PLUMMER

Kind of flying

CI

Weather at impact

Sky

CLEAR

Wind

315° / 5 kt

Temp

20° F

Aircraft history

Total time

10 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

1,800

Age

41

Probable cause (from PRE1982.MDB)

NG RUNWAY.

Investigator remarks

ACFT ENCOUNTERED SOFT,PLOWED EARTH AFTER DEPARTI

Cause factors

64/C/22 C
PILOT IN COMMAND IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS Cause
80/L/BC L
AIRPORTS/AIRWAYS/FACILITIES SNOW ON RUNWAY
80/K/BY K
AIRPORTS/AIRWAYS/FACILITIES OTHER Joint factor
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 4134. Source file NTSB_1966_3_4134.txt. Modern CAROL record on data.ntsb.gov ↗.

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