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Atlas / NTSB / NYC73AN151

NTSB CAROL · Event

Event NYC73AN151

1973-06-12 PITTSBURGH, Pennsylvania, United States Minor 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 · N5837

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

IMC

Phase of flight

Takeoff — initial climb (C1)

Airport

GRTR PITTSBURGH

Weather at impact

Sky

OVERCAST

Wind

230° / 8 kt

Temp

75° F

Aircraft history

Serial number

000000000127

Total time

37,426 hrs

Pilot

Certificate

DA (DA)

Total hours

11,433

Probable cause (from PRE1982.MDB)

NT RETRACT ON PREVIOUS TKOF.

Investigator remarks

NOSE GR UPPER L DRAG STRUT FAILED. NOSE GR WOULD

Cause factors

  • 70/C/CE C
    AIRFRAME NOSEWHEEL ASSEMBLIES Cause
  • 88/C/36 C
    MISCELLANEOUS ACTS,CONDITIONS FATIGUE FRACTURE Cause
  • 88/K/AH K
    MISCELLANEOUS ACTS,CONDITIONS PREVIOUS DAMAGE 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 1 0014. Source file NTSB_1973_1_0014.txt. Modern CAROL record on data.ntsb.gov ↗.