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Atlas / NTSB / LAX74DUG31

NTSB CAROL · Event

Event LAX74DUG31

1973-11-30 LA VERNE, California, United States None 1 aircraft Status: Completed

Registry · N4741R

FAA Aircraft Registry record.

Make / Model

BELL 47G-5

TCDS

2H3 · SCOTT'S-BELL 47 INC

Engine

LYCOMING VO-435 SERIES (260 hp)

Seats / Engines

3 seats · 1 engine

Last airworthiness date

19860612

ADS-B equipped

Yes — Mode-S A5D281

Registrant of record

WILBUR-ELLIS CO

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

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

BELL 47G-5 · N4741R

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EI

Operator type

I

Airport

BRACKETT FIELD

Kind of flying

A0

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

000000007917

Total time

5,300 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

6,542

Age

47

Investigator remarks

PRACTICE AUTOROTATION.LND IN SOFT AREA.

Cause factors

  • 65/A/35 A
    COPILOT Cause — pilot/personnel action
  • 64/A/30 A
    PILOT IN COMMAND INADEQUATE SUPERVISION OF FLIGHT Cause — pilot/personnel action
  • 88/J/85 J
    MISCELLANEOUS ACTS,CONDITIONS SIMULATED CONDITIONS Joint cause
  • 80/J/BY J
    AIRPORTS/AIRWAYS/FACILITIES OTHER Joint 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 3823. Source file NTSB_1973_3_3823.txt. Modern CAROL record on data.ntsb.gov ↗.