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Atlas / NTSB / DCA71IZ002

NTSB CAROL · Event

Event DCA71IZ002

1970-09-18 SAN FRANCISCO, California, United States None 1 aircraft Status: Completed

Registry · N743PA

FAA Aircraft Registry record.

Make / Model

PIPER PA-28-181

Year of manufacture

2018

Engine

LYCOMING O-360-A4M (180 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

20180301

ADS-B equipped

Yes — Mode-S A9FEF5

Registrant of record

SKYWEST LEASING INC

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

BOEING 747 · N743PA

Damage

Minor

Craft type

Airplane

Classification

C

Light condition

Dawn

Weather

VMC

Phase of flight

Takeoff — initial climb (C1)

Airport

SAN FRANCISCO INT

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Aircraft history

Serial number

000000019638

Total time

1,599 hrs

Pilot

Certificate

DA (DA)

Total hours

32,850

Probable cause (from PRE1982.MDB)

PWR PLT-STRESS RUPTURE OF 1ST STAGE TURBINE BLADES

Investigator remarks

FAILURE IN NR 1 ENG HI PRES TURBINE MODULE.

Cause factors

  • 74/C/PH C
    POWERPLANT BLADE,TURBINE WHEEL Cause
  • 84/C/J C
    MISCELLANEOUS WRITTEN CAUSE Cause
  • 88/C/CT C
    MISCELLANEOUS ACTS,CONDITIONS EXCESSIVE TEMPERATURE Cause
  • 88/K/51 K
    MISCELLANEOUS ACTS,CONDITIONS FIRE IN ENGINE 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 4 0045. Source file NTSB_1970_4_0045.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 ↗