Atlas / NTSB / UNK64X2058

NTSB CAROL · Event

Event UNK64X2058

1964-05-31 APPLETON, Wisconsin, United States Minor 1 aircraft Status: Completed

Registry · N84555

FAA Aircraft Registry record.

Make / Model

AERONCA 7AC

Engine

CONT MOTOR A&C65 SERIES (65 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19570624

ADS-B equipped

Yes — Mode-S AB9591

Registrant of record

SANDLAND PATRICK W

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N84555 Aeronca 7AC 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 7AC · N84555

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D0

Operator type

Part 91 (general aviation)

Airport

OUTAGAMIE

Kind of flying

B0

Aircraft history

Total time

912 hrs

Pilot

Certificate

Commercial — instrument

Total hours

402

Age

45

Probable cause (from PRE1982.MDB)

PWR PLT-OIL PRESS RELIEF VALVE STICKING.

Cause factors

84/A/J A
MISCELLANEOUS WRITTEN CAUSE Cause — pilot/personnel action
88/A/83 A
MISCELLANEOUS ACTS,CONDITIONS OIL CONTAMINATION Cause — pilot/personnel action
88/A/AR A
MISCELLANEOUS ACTS,CONDITIONS CARBON DEPOSITS Cause — pilot/personnel action
68/C/D1 C
PERSONNEL IMPROPER MAINTENANCE (OWNER PERSONNEL) Cause
68/C/D5 C
PERSONNEL INADEQUATE INSPECTION OF AIRCRAFT (OWNER-PILOT) Cause

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 1500. Source file NTSB_1964_3_1500.txt. Modern CAROL record on data.ntsb.gov ↗.

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