Atlas / NTSB / LAX7LFUQ03

NTSB CAROL · Event

Event LAX7LFUQ03

1975-07-07 BURBANK, California, United States Minor 1 aircraft Status: Completed

Aircraft involved

N74122 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 · N74122

Damage

Destroyed

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

Personal/private

Airport

HOLLYWOOD-BURBANK

Kind of flying

B0

Weather at impact

Sky

PARTIAL OBSCURATION

Temp

87° F

Aircraft history

Serial number

000000WH5007

Total time

1,761 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

540

Age

41

Probable cause (from PRE1982.MDB)

ECTIVE USE RESTRICTED DUE CENTER PAX.HIT BLDG ROOF

Investigator remarks

LOST PWR,FOULED PLUGS.RUN UP ROUGH ON 1 MAG.COLL

Cause factors

74/C/BC C
POWERPLANT SPARK PLUG Cause
88/C/BX C
MISCELLANEOUS ACTS,CONDITIONS GROUNDED Cause
88/C/AR C
MISCELLANEOUS ACTS,CONDITIONS CARBON DEPOSITS Cause
68/C/D6 C
PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION Cause
64/C/21 C
PILOT IN COMMAND IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS Cause
88/B/77 B
MISCELLANEOUS ACTS,CONDITIONS INTERFERENCE WITH FLIGHT CONTROLS
83/K/I K
TERRAIN HIGH OBSTRUCTIONS 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 1842. Source file NTSB_1975_3_1842.txt. Modern CAROL record on data.ntsb.gov ↗.

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