Atlas / NTSB / OAK70D0145

NTSB CAROL · Event

Event OAK70D0145

1969-09-08 HOLLISTER, California, United States Minor 1 aircraft Status: Completed

Registry · N7985A

FAA Aircraft Registry record.

Make / Model

BELL 47G

Year of manufacture

1958 · 11 years old at event

TCDS

H-1 · SCOTT'S-BELL 47 INC

Engine

FRANKLIN 6V4 SERIES (210 hp)

Seats / Engines

3 seats · 1 engine

Last airworthiness date

19790222

ADS-B equipped

Yes — Mode-S AAD8C5

Registrant of record

GILES FORREST D

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N7985A Bell 47G Minor

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 · N7985A

Damage

Destroyed

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

E

Airport

HOLLISTER

Kind of flying

CG

Weather at impact

Sky

CLEAR

Temp

80° F

Aircraft history

Serial number

000000001022

Total time

2,446 hrs

Pilot

Certificate

Commercial

Total hours

1,141

Age

37

Probable cause (from PRE1982.MDB)

ABLE TO REMOVE 6 PLUGS,EVIDENCE OF FOULING FOUND.

Investigator remarks

HAD EXPERIENCED PLUG FOULING PRIOR THIS FLT. WAS

Cause factors

74/C/KA C
POWERPLANT POWERPLANT FAILURE FOR UNDETERMINED REASONS Cause
83/B/F B
TERRAIN ROUGH/UNEVEN

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 3926. Source file NTSB_1969_3_3926.txt. Modern CAROL record on data.ntsb.gov ↗.

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