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Atlas / NTSB / MKC70F0167

NTSB CAROL · Event

Event MKC70F0167

1969-07-31 DEARBORN, Missouri, 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

AERONCA 7DC · N2049E

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

C0

Operator type

Part 135 (air taxi/commuter)

Kind of flying

CB

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Aircraft history

Serial number

00007AC-5619

Total time

1,830 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

1,558

Age

25

Probable cause (from PRE1982.MDB)

CKING FLDS TO BE SPRAYED. NO SPRAY IN TKS.

Investigator remarks

NR 2 CYL EXH VALVE FOUND STUCK OPEN. PLT WAS CHE

Cause factors

  • 74/C/AF C
    POWERPLANT VALVE ASSEMBLIES Cause
  • 88/C/CS C
    MISCELLANEOUS ACTS,CONDITIONS STUCK 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 3355. Source file NTSB_1969_3_3355.txt. Modern CAROL record on data.ntsb.gov ↗.