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Atlas / NTSB / CHI79FEP53

NTSB CAROL · Event

Event CHI79FEP53

1979-07-06 MILWAUKEE, Wisconsin, United States None 1 aircraft Status: Completed

Registry · N7774F

FAA Aircraft Registry record.

Make / Model

CESSNA 150F

Seats / Engines

2 seats · 1 engine

ADS-B equipped

Yes — Mode-S AA85F2

Registrant of record

MURPHY JEFFREY R

Source: FAA Aircraft Registry (releasable master file).

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 150 · N7774F

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D1

Operator type

D

Kind of flying

B0

Weather at impact

Sky

BROKEN

Aircraft history

Serial number

000015063874

Total time

2,008 hrs

Pilot

Certificate

Commercial — instrument

Total hours

210

Age

33

Probable cause (from PRE1982.MDB)

5IN OF BLADE TIP.

Investigator remarks

MCCAULEY PROP MODEL 1A100/MCM,S/N F2070,MISSING

Cause factors

  • 68/C/D0 C
    PERSONNEL IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) Cause
  • 74/C/FA C
    POWERPLANT BLADES Cause
  • 88/C/36 C
    MISCELLANEOUS ACTS,CONDITIONS FATIGUE FRACTURE Cause
  • 83/K/A K
    TERRAIN WET,SOFT GROUND Joint factor

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 2300. Source file NTSB_1979_3_2300.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 ↗