Atlas / NTSB / OAK68D0146

NTSB CAROL · Event

Event OAK68D0146

1967-05-08 GERLACH, Nevada, United States None 1 aircraft Status: Completed

Registry · N4214K

FAA Aircraft Registry record.

Make / Model

RYAN NAVION

Year of manufacture

1948 · 19 years old at event

TCDS

A-782 · SIERRA HOTEL AERO INC

Engine

CONT MOTOR E185 SERIES (205 hp)

Seats / Engines

4 seats · 1 engine

ADS-B equipped

Yes — Mode-S A50244

Registrant of record

CHRISTOPHER MICHAEL L

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N4214K Navion A 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

NAVION A · N4214K

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise — descent (EF)

Operator type

D

Airport

MOUNTAIN VIEW

Kind of flying

A3

Weather at impact

Sky

CLEAR

Aircraft history

Total time

1,656 hrs

Pilot

Certificate

Airline transport

Total hours

93

Age

22

Probable cause (from PRE1982.MDB)

ONAL GROUND LOOP TO AVOID FENCE.

Investigator remarks

MASTER CYLINDER CUP FAILED,DETERIORATED. INTENTI

Cause factors

70/C/CJ C
AIRFRAME BRAKING SYSTEM (NORMAL SYSTEM) Cause
88/C/CM C
MISCELLANEOUS ACTS,CONDITIONS PRESSURE,NONE Cause
68/C/D6 C
PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION Cause
88/K/94 K
MISCELLANEOUS ACTS,CONDITIONS OVERLOAD FAILURE Joint factor
80/K/BF K
AIRPORTS/AIRWAYS/FACILITIES SOFT SHOULDERS 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 3053. Source file NTSB_1967_3_3053.txt. Modern CAROL record on data.ntsb.gov ↗.

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