Atlas / NTSB / MIA71FKT20

NTSB CAROL · Event

Event MIA71FKT20

1970-11-26 PAHOKEE, Florida, United States Minor 1 aircraft Status: Completed

Registry · N3809R

FAA Aircraft Registry record.

Make / Model

CESSNA 172H

Year of manufacture

1966 · 4 years old at event

Engine

CONT MOTOR 0-300 SER (145 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19661011

ADS-B equipped

Yes — Mode-S A45EED

Registrant of record

IMHOF DONALD R

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N3809R Cessna 172H 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

CESSNA 172H · N3809R

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

Part 91 (general aviation)

Airport

PALM BEACH COUNTY

Kind of flying

B0

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Wind

300° / 15 kt

Aircraft history

Serial number

000017255309

Total time

2,834 hrs

Pilot

Certificate

Commercial — instrument

Total hours

50

Age

39

Probable cause (from PRE1982.MDB)

R TKOF.LNDD IN SUGER CANE FLD.LWR PLUGS SUBSTD.

Investigator remarks

R MAG FAILED INTERNALLY.PLT NOTED 300RPM DROP BF

Cause factors

64/C/01 C
PILOT IN COMMAND ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT Cause
68/C/D6 C
PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION Cause
74/C/BA C
POWERPLANT MAGNETOS Cause
74/C/BC C
POWERPLANT SPARK PLUG Cause
83/B/F B
TERRAIN ROUGH/UNEVEN
83/B/D B
TERRAIN HIGH VEGETATION
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 4273. Source file NTSB_1970_3_4273.txt. Modern CAROL record on data.ntsb.gov ↗.

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