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Atlas / NTSB / NYC72AN028

NTSB CAROL · Event

Event NYC72AN028

1971-08-20 PITTSBURGH, Pennsylvania, 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

CONVAIR 580 · N5844

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Night

Weather

VMC

Phase of flight

EE

Airport

GRTR PITTSBURGH

Weather at impact

Sky

SCATTERED-ABOVE 1000 FEET

Aircraft history

Serial number

000000000043

Total time

36,082 hrs

Pilot

Certificate

DA (DA)

Total hours

8,300

Probable cause (from PRE1982.MDB)

R ASSY SEPARATED AT PARKERSBURG.DIVERTED TO PITT.

Investigator remarks

WORN LOCK PIN IN UPPER BEARING SHEARED.R GR LOWE

Cause factors

  • 70/C/CA C
    AIRFRAME MAIN GEAR-SHOCK ABSORBING ASSY,STRUTS,ATTACHMENTS,ETC. Cause
  • 88/C/95 C
    MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE 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 1 0018. Source file NTSB_1971_1_0018.txt. Modern CAROL record on data.ntsb.gov ↗.