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Atlas / NTSB / OAK78FA023

NTSB CAROL · Event

Event OAK78FA023

1978-03-21 RED BLUFF, California, United States Fatal 1 aircraft Status: Completed

Registry · N9740U

FAA Aircraft Registry record.

Make / Model

UVIFY 810-00028

0

ADS-B equipped

Yes — Mode-S AD94EC

Registrant of record

PIXIS DRONES LLC

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

GRUMMAN AA-5A · N9740U

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

IMC

Phase of flight

D9

Operator type

D

Kind of flying

B2

Weather at impact

Sky

OBSCURATION

Wind

160° / 8 kt

Temp

61° F

Aircraft history

Serial number

000000000140

Total time

454 hrs

Pilot

Certificate

Commercial — instrument

Total hours

300

Age

62

Cause factors

  • 64/A/04 A
    PILOT IN COMMAND CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS Cause — pilot/personnel action
  • 64/A/03 A
    PILOT IN COMMAND BECAME LOST/DISORIENTED Cause — pilot/personnel action
  • 64/A/66 A
    PILOT IN COMMAND SPATIAL DISORIENTATION Cause — pilot/personnel action
  • 82/J/A J
    WEATHER LOW CEILING Joint cause
  • 82/J/B J
    WEATHER RAIN Joint cause
  • 82/J/C J
    WEATHER FOG 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 0456. Source file NTSB_1978_3_0456.txt. Modern CAROL record on data.ntsb.gov ↗.