Atlas / NTSB / OAK73AP004

NTSB CAROL · Event

Event OAK73AP004

1972-07-22 LONE PINE, California, United States None 1 aircraft Status: Completed

Registry · N3821G

FAA Aircraft Registry record.

Make / Model

CESSNA TU206B

Engine

CONT MOTOR IO 520 SERIES (285 hp)

Seats / Engines

6 seats · 1 engine

Last airworthiness date

19670425

ADS-B equipped

Yes — Mode-S A4653A

Registrant of record

I AM ALPHA & OMEGA LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N3821G Cessna TU206B 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

CESSNA TU206B · N3821G

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EE

Operator type

E

Airport

TUNNEL MEADOWS

Kind of flying

CI

Weather at impact

Sky

CLEAR

Temp

70° F

Aircraft history

Serial number

00TU206-0821

Total time

1,131 hrs

Pilot

Certificate

Commercial

Total hours

1,030

Age

45

Probable cause (from PRE1982.MDB)

FRACTURE.ACFT TYPICALLY USED IN ROUGH FLD OPNS.

Investigator remarks

NOSE GR STEERING COLLAR FAILED.HAD PRIOR PARTIAL

Cause factors

65/C/25 C
COPILOT Cause
64/C/30 C
PILOT IN COMMAND INADEQUATE SUPERVISION OF FLIGHT Cause
70/L/CP L
AIRFRAME NOSEWHEEL STEERING
88/L/36 L
MISCELLANEOUS ACTS,CONDITIONS FATIGUE FRACTURE
88/L/AH L
MISCELLANEOUS ACTS,CONDITIONS PREVIOUS DAMAGE
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 3427. Source file NTSB_1972_3_3427.txt. Modern CAROL record on data.ntsb.gov ↗.

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