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Atlas / NTSB / DEN76FTC02

NTSB CAROL · Event

Event DEN76FTC02

1975-07-11 WAPITI, Wyoming, United States Minor 1 aircraft Status: Completed

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

HILLER ACFT UH12L4 · N9727C

Damage

Destroyed

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

C8

Operator type

Personal/private

Kind of flying

CS

Weather at impact

Sky

CLEAR

Temp

48° F

Aircraft history

Serial number

000000002506

Total time

2,713 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

7,329

Age

42

Probable cause (from PRE1982.MDB)

O LIFT LOAD. DENSITY ALT 14700FT.

Investigator remarks

SETTLED WITH PWR INTO SLING LOAD ON 3RD ATTMPT T

Cause factors

  • 64/A/29 A
    PILOT IN COMMAND INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING Cause — pilot/personnel action
  • 88/A/76 A
    MISCELLANEOUS ACTS,CONDITIONS IMPROPERLY LOADED AIRCRAFT-WEIGHT-AND/OR C.G. Cause — pilot/personnel action
  • 82/J/W J
    WEATHER HIGH DENSITY ALTITUDE 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 1632. Source file NTSB_1975_3_1632.txt. Modern CAROL record on data.ntsb.gov ↗.