Atlas / NTSB / MIA74FKA04

NTSB CAROL · Event

Event MIA74FKA04

1973-09-12 ST THOMAS, VI, United States None 1 aircraft Status: Completed

Aircraft involved

N8151H HILLER ACFT UH-12A 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-12A · N8151H

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

B7

Operator type

D

Airport

HARRY S TRUMAN

Kind of flying

CE

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Aircraft history

Serial number

000000000151

Total time

1,942 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

348

Age

24

Probable cause (from PRE1982.MDB)

VEMENT BEGAN TO STOP LOST ROTOR AND ENG RPM.

Investigator remarks

DRG ATMPT HOLD SHORT OF RWY ABT 12 AGL AS FWD MO

Cause factors

64/C/18 C
PILOT IN COMMAND FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M. Cause
64/C/31 C
PILOT IN COMMAND LACK OF FAMILIARITY WITH AIRCRAFT 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 2697. Source file NTSB_1973_3_2697.txt. Modern CAROL record on data.ntsb.gov ↗.

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