Atlas / NTSB / LAX81DUM13

NTSB CAROL · Event

Event LAX81DUM13

1981-03-03 BRAWLEY, California, United States Minor 1 aircraft Status: Completed

Aircraft involved

N4399S Air Tractor AT-301 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

AIR TRACTOR AT-301 · N4399S

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D0

Operator type

Part 135 (air taxi/commuter)

Airport

AG STRIP

Kind of flying

CB

Weather at impact

Sky

CLEAR

Temp

74° F

Aircraft history

Serial number

0000301-0059

Total time

1,884 hrs

Pilot

Certificate

Commercial

Total hours

21,216

Age

52

Investigator remarks

LNDD IN GRAIN FLD.

Cause factors

74/C/AG C
POWERPLANT BLOWER,IMPELLER ASSEMBLY Cause
88/C/95 C
MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause
83/K/D K
TERRAIN HIGH VEGETATION Joint factor
88/K/DC K
MISCELLANEOUS ACTS,CONDITIONS LOAD NOT JETTISONED 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 0512. Source file NTSB_1981_3_0512.txt. Modern CAROL record on data.ntsb.gov ↗.

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