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Atlas / NTSB / MKC81FA053

NTSB CAROL · Event

Event MKC81FA053

1981-09-04 KANSAS CITY, Kansas, United States Fatal 1 aircraft Status: Completed

Registry · N777MM

FAA Aircraft Registry record.

Make / Model

BEECH B36TC

Year of manufacture

1997

Engine

P&W PT6A SERIES (500 hp)

Seats / Engines

6 seats · 1 engine

Last airworthiness date

20030107

ADS-B equipped

Yes — Mode-S AA8427

Registrant of record

JSGJR LLC

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

AERO COMDR 685 · N777MM

Damage

Destroyed

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

D0

Operator type

D

Airport

KS CITY DOWNTOWN

Kind of flying

B0

Weather at impact

Sky

BROKEN

Wind

050° / 9 kt

Temp

82° F

Aircraft history

Serial number

000000012030

Total time

1,400 hrs

Pilot

Certificate

Commercial — instrument

Total hours

4,640

Age

40

Probable cause (from PRE1982.MDB)

ROP SHAFT BRG FAILED.APRX 400LBS OVR MAX GROSS WT.

Investigator remarks

NR 4,5,6 MAIN ENG BRGS,NR 1,2,6 ROD BRGS & FNT P

Cause factors

  • 74/C/AY C
    POWERPLANT OTHER Cause
  • 88/C/80 C
    MISCELLANEOUS ACTS,CONDITIONS LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM Cause
  • 88/C/97 C
    MISCELLANEOUS ACTS,CONDITIONS OIL STARVATION Cause
  • 64/B/20 B
    PILOT IN COMMAND FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
  • 88/B/07 B
    MISCELLANEOUS ACTS,CONDITIONS IMPROPER EMERGENCY PROCEDURES
  • 64/K/29 K
    PILOT IN COMMAND INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING Joint factor
  • 88/K/76 K
    MISCELLANEOUS ACTS,CONDITIONS IMPROPERLY LOADED AIRCRAFT-WEIGHT-AND/OR C.G. 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 3 3021. Source file NTSB_1981_3_3021.txt. Modern CAROL record on data.ntsb.gov ↗.