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Atlas / NTSB / DEN75FTC19

NTSB CAROL · Event

Event DEN75FTC19

1975-04-25 JACKSON, Wyoming, United States None 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

CESSNA 180 · N8817

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

D

Kind of flying

B2

Weather at impact

Sky

SCATTERED-ABOVE 1000 FEET

Wind

235° / 15 kt

Temp

40° F

Aircraft history

Serial number

000000030555

Total time

2,416 hrs

Pilot

Certificate

Commercial

Total hours

4,020

Age

35

Probable cause (from PRE1982.MDB)

NED ONE INCH.FILE MARKS ON BLADE.CORROSION PRESENT

Investigator remarks

HARTZELL BLADE 8833-2 TIP SEPARATED.BLADE SHORTE

Cause factors

  • 68/C/D6 C
    PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION Cause
  • 74/C/FA C
    POWERPLANT BLADES Cause
  • 88/C/55 C
    MISCELLANEOUS ACTS,CONDITIONS CORRODED/CORROSION Cause
  • 88/C/36 C
    MISCELLANEOUS ACTS,CONDITIONS FATIGUE FRACTURE Cause
  • 88/L/CV L
    MISCELLANEOUS ACTS,CONDITIONS VIBRATION,EXCESSIVE
  • 88/L/49 L
    MISCELLANEOUS ACTS,CONDITIONS SEPARATION IN FLIGHT
  • 83/B/B B
    TERRAIN SNOW-COVERED

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 1329. Source file NTSB_1975_3_1329.txt. Modern CAROL record on data.ntsb.gov ↗.

Related research

What the literature says.

Academic papers and agency reports matching this event's aircraft type. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Browse the full corpus — academia portal ↗