Event SEA69A0006

1968-07-20 BILLINGS, Montana, United States Serious 1 aircraft Status: Completed

Aircraft involved

N130US Lockheed 188C Serious

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

LOCKHEED 188C · N130US

Damage

None

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Weather at impact

Sky

CLEAR

Wind

290° / 24 kt

Temp

69° F

Aircraft history

Total time

21,769 hrs

Pilot

Certificate

DA (DA)

Total hours

5,000

Age

38

Investigator remarks

MTN WAVE EFFECT NOT FCST. SEAT BELT SIGN ON.

Cause factors

82/A/K A
WEATHER TURBULENCE IN FLIGHT,CLEAR AIR Cause — pilot/personnel action
68/J/F0 J
PERSONNEL INCORRECT WEATHER FORECAST 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 1 0049. Source file NTSB_1968_1_0049.txt. Modern CAROL record on data.ntsb.gov ↗.

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