Atlas / NTSB / OAK70FVW12

NTSB CAROL · Event

Event OAK70FVW12

1970-04-22 BOULDER CITY, Nevada, United States None 1 aircraft Status: Completed

Aircraft involved

N8481Y Piper PA-30 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

PIPER PA-30 · N8481Y

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EE

Operator type

Business

Airport

BOULDER CITY MUNI

Kind of flying

B2

Weather at impact

Sky

CLEAR

Temp

75° F

Aircraft history

Serial number

0000030-1644

Total time

1,173 hrs

Pilot

Certificate

Commercial — instrument

Total hours

808

Age

51

Investigator remarks

LDG GR WARNING HORN INOP.

Cause factors

64/A/10 A
PILOT IN COMMAND FAILED TO EXTEND LANDING GEAR Cause — pilot/personnel action
70/J/CL J
AIRFRAME LANDING GEAR WARNING AND INDICATING COMPONENTS 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 1908. Source file NTSB_1970_3_1908.txt. Modern CAROL record on data.ntsb.gov ↗.

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