Atlas / NTSB / MKC78FCJ21

NTSB CAROL · Event

Event MKC78FCJ21

1978-06-23 ASHLAND, Nebraska, United States None 1 aircraft Status: Completed

Aircraft involved

N6868S AERO COMDR 680 None

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

AERO COMDR 680 · N6868S

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

IMC

Phase of flight

D1

Operator type

E

Kind of flying

CJ

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Temp

76° F

Aircraft history

Serial number

00680-387-68

Total time

3,334 hrs

Pilot

Certificate

DA (DA)

Total hours

4,100

Age

38

Probable cause (from PRE1982.MDB)

ACKED OUT RESULTING IN EXTENSIVE ENGINE DAMAGE.

Investigator remarks

A PIN WHICH SECURES A CRANKSHAFT COUNTERWEIGHT B

Cause factors

74/C/AB C
POWERPLANT CRANKSHAFT Cause
88/B/DG B
MISCELLANEOUS ACTS,CONDITIONS INTENTIONAL WHEELS-UP

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 1693. Source file NTSB_1978_3_1693.txt. Modern CAROL record on data.ntsb.gov ↗.

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