Atlas / NTSB / DEN75AD006

NTSB CAROL · Event

Event DEN75AD006

1974-08-28 PINEDALE, Wyoming, United States Minor 1 aircraft Status: Completed

Aircraft involved

N8673 HILLER ACFT FH1100 Minor

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 FH1100 · N8673

Damage

Substantial

Craft type

Balloon

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Takeoff — initial climb (C1)

Operator type

E

Airport

RALPH WENZ

Kind of flying

CI

Weather at impact

Sky

CLEAR

Temp

40° F

Aircraft history

Serial number

000000000088

Total time

1,588 hrs

Pilot

Certificate

Commercial

Total hours

3,443

Age

38

Probable cause (from PRE1982.MDB)

IC FORE-AFT ACTUATOR.ACFT UNCONTROLLABLE ON TKOF.

Investigator remarks

MAINT PERS FAILED TO SAFTY WIRE LOCK NUT ON CYCL

Cause factors

68/A/D6 A
PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION Cause — pilot/personnel action
78/A/C0 A
ROTORCRAFT CYCLIC PITCH CONTROL SYSTEM Cause — pilot/personnel action
88/A/29 A
MISCELLANEOUS ACTS,CONDITIONS IMPROPERLY SECURED Cause — pilot/personnel action

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 2582. Source file NTSB_1974_3_2582.txt. Modern CAROL record on data.ntsb.gov ↗.

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