Atlas / NTSB / DEN80FTC05

NTSB CAROL · Event

Event DEN80FTC05

1980-02-08 MCKENNON, Wyoming, United States None 1 aircraft Status: Completed

Aircraft involved

N31331 HILLER ACFT UH-12D 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

HILLER ACFT UH-12D · N31331

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Day

Weather

VMC

Phase of flight

EH

Operator type

D

Kind of flying

B0

Weather at impact

Sky

CLEAR

Wind

330° / 8 kt

Temp

5° F

Aircraft history

Serial number

000000001333

Total time

5,600 hrs

Pilot

Certificate

Commercial — instrument

Total hours

430

Age

28

Probable cause (from PRE1982.MDB)

TING,SECURED ENG.

Investigator remarks

PIC RPRTED THROTTLE LINKAGE FRZN AT HIGH PWR SET

Cause factors

74/C/I0 C
POWERPLANT THROTTLE-POWER LEVER ASSEMBLIES Cause
88/C/89 C
MISCELLANEOUS ACTS,CONDITIONS FROZEN, MOISTURE Cause
88/C/CD C
MISCELLANEOUS ACTS,CONDITIONS JAMMED Cause
64/B/48 B
PILOT IN COMMAND MISJUDGED DISTANCE AND ALTITUDE

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 0795. Source file NTSB_1980_3_0795.txt. Modern CAROL record on data.ntsb.gov ↗.

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