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Atlas / NTSB / CHI75FEP11

NTSB CAROL · Event

Event CHI75FEP11

1974-08-06 OSHKOSH, Wisconsin, United States Fatal 1 aircraft Status: Completed

Registry · N193N

FAA Aircraft Registry record.

Make / Model

JONKER SAILPLANES (PTY) LTD JS1-C

Year of manufacture

2017

Engine

AMA/EXPR UNKNOWN ENG

Seats / Engines

1 seats · 1 engine

ADS-B equipped

Yes — Mode-S A1747C

Registrant of record

MECKLENBURG GREGORY B

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

THORPE T-18 · N193N

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

Cruise climb (DB)

Operator type

D

Airport

WITTMAN

Kind of flying

B0

Weather at impact

Sky

SCATTERED-ABOVE 1000 FEET

Wind

280° / 6 kt

Temp

77° F

Aircraft history

Serial number

000000000115

Total time

284 hrs

Pilot

Certificate

Commercial — instrument

Total hours

4,000

Age

42

Probable cause (from PRE1982.MDB)

.

Investigator remarks

WRONG SIZE RIVETS INSTALLED.WING PANEL SEPARATED

Cause factors

  • 68/A/J6 A
    PERSONNEL OTHER Cause — pilot/personnel action
  • 70/A/AC A
    AIRFRAME WING ATTACHMENT FITTINGS,BOLTS Cause — pilot/personnel action
  • 88/A/46 A
    MISCELLANEOUS ACTS,CONDITIONS WRONG PART Cause — pilot/personnel action
  • 88/A/95 A
    MISCELLANEOUS ACTS,CONDITIONS MATERIAL FAILURE Cause — pilot/personnel action
  • 88/J/49 J
    MISCELLANEOUS ACTS,CONDITIONS SEPARATION IN FLIGHT Joint 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 3470. Source file NTSB_1974_3_3470.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 ↗