Atlas / NTSB / LAX82DVA05

NTSB CAROL · Event

Event LAX82DVA05

1981-10-16 WASCO, California, United States None 1 aircraft Status: Completed

Registry · N7NB

FAA Aircraft Registry record.

Make / Model

BELL 47G-4A

Year of manufacture

1970 · 11 years old at event

TCDS

2H3 · SCOTT'S-BELL 47 INC

Engine

LYCOMING VO-540 SERIES (310 hp)

Seats / Engines

3 seats · 1 engine

Last airworthiness date

19800903

ADS-B equipped

Yes — Mode-S A9510A

Registrant of record

MAGNUM AVIATION LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N7NB Bell 47G-4A 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

BELL 47G-4A · N7NB

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

C2

Operator type

Part 135 (air taxi/commuter)

Kind of flying

CB

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

Z

Pilot

Certificate

Flight instructor (CFI)

Total hours

16,000

Age

50

Probable cause (from PRE1982.MDB)

D WHILE DEPG TRUCK PLATFORM.

Investigator remarks

CNCTG ROD,PN 77450,AND ROD BOLT,PN LW12596,FAILE

Cause factors

74/C/AC C
POWERPLANT MASTER AND CONNECTING RODS Cause
88/C/95 C
MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE 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 2330. Source file NTSB_1981_3_2330.txt. Modern CAROL record on data.ntsb.gov ↗.

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