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Atlas / NTSB / IAD76FLJ33

NTSB CAROL · Event

Event IAD76FLJ33

1976-08-17 APEX, North Carolina, 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 172 · N5539R

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

DI

Operator type

D

Kind of flying

B0

Weather at impact

Sky

CLEAR

Aircraft history

Serial number

000017253122

Total time

2,734 hrs

Pilot

Certificate

Commercial — instrument

Total hours

1,227

Age

53

Probable cause (from PRE1982.MDB)

M WAS BRINELLED.

Investigator remarks

STEEL BALL BEARING,PART OF VALVE DETENT MECHANIS

Cause factors

  • 74/C/CC C
    POWERPLANT SELECTOR VALVES Cause
  • 68/C/D4 C
    PERSONNEL INADEQUATE INSPECTION OF AIRCRAFT (MAINTENANCE PERSONNEL) 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 2167. Source file NTSB_1976_3_2167.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 ↗