Atlas / NTSB / ANC72IA039

NTSB CAROL · Event

Event ANC72IA039

1972-03-14 GALENA, Alaska, United States None 1 aircraft Status: Completed

Registry · N567Z

FAA Aircraft Registry record.

Make / Model

BEECH 35-C33A

Engine

CONT MOTOR IO 520 SERIES (285 hp)

Seats / Engines

4 seats · 1 engine

ADS-B equipped

Yes — Mode-S A7432A

Registrant of record

ZULU AEROSPACE SERVICES LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N567Z Beech 35C33A 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 35C33A · N567Z

Damage

Minor

Craft type

Airplane

Classification

C

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

Personal/private

Kind of flying

DQ

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

000000CE-158

Total time

1,182 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

5,869

Age

42

Probable cause (from PRE1982.MDB)

OIL COOLER SEPD.LNDD ON FROZEN,SNOW CVRD RIVER.

Investigator remarks

HOBBS HR METER PRESS XMTR INSTALLED NR BOTTOM OF

Cause factors

68/C/D1 C
PERSONNEL IMPROPER MAINTENANCE (OWNER PERSONNEL) Cause
74/C/DY C
POWERPLANT OTHER Cause
74/C/J9 C
POWERPLANT OTHER Cause
88/C/AD C
MISCELLANEOUS ACTS,CONDITIONS UNAPPROVED MODIFICATION Cause
88/C/36 C
MISCELLANEOUS ACTS,CONDITIONS FATIGUE FRACTURE Cause
88/C/81 C
MISCELLANEOUS ACTS,CONDITIONS OIL EXHAUSTION-ENGINE LUBRICATION SYSTEM Cause
74/C/AC C
POWERPLANT MASTER AND CONNECTING RODS Cause
88/C/94 C
MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE Cause
88/B/DG B
MISCELLANEOUS ACTS,CONDITIONS INTENTIONAL WHEELS-UP

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 5 0018. Source file NTSB_1972_5_0018.txt. Modern CAROL record on data.ntsb.gov ↗.

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