Atlas / NTSB / MKC69F0237

NTSB CAROL · Event

Event MKC69F0237

1968-10-21 ANOKA, Minnesota, United States None 1 aircraft Status: Completed

Registry · N1802

FAA Aircraft Registry record.

Make / Model

CESSNA 182A

Year of manufacture

1957 · 11 years old at event

Engine

CONT MOTOR O-470 SERIES (230 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19570209

ADS-B equipped

Yes — Mode-S A1434A

Registrant of record

LONG RANDY B

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N1802 Bensen B8-M 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

BENSEN B8-M · N1802

Damage

Substantial

Craft type

I

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — level (EA)

Operator type

D

Airport

ANOKA COUNTY

Kind of flying

A3

Weather at impact

Sky

CLEAR

Wind

180° / 20 kt

Temp

60° F

Aircraft history

Total time

23 hrs

Pilot

Certificate

Airline transport

Total hours

21

Age

48

Probable cause (from PRE1982.MDB)

D BY SPARK PLUGS WITH IMPROPER HEAT RANGE FOR ENG.

Investigator remarks

NO 4 CYL PISTON SEIZED DUE TO PRE-IGNITION CAUSE

Cause factors

74/C/AE C
POWERPLANT PISTON,PISTON RINGS Cause
88/C/CT C
MISCELLANEOUS ACTS,CONDITIONS EXCESSIVE TEMPERATURE Cause
74/C/BC C
POWERPLANT SPARK PLUG Cause
68/C/D1 C
PERSONNEL IMPROPER MAINTENANCE (OWNER PERSONNEL) Cause
64/B/23 B
PILOT IN COMMAND IMPROPER OPERATION OF FLIGHT 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 3755. Source file NTSB_1968_3_3755.txt. Modern CAROL record on data.ntsb.gov ↗.

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