# NTSB MKC81FA053: Aero Comdr 685, N777MM, Kansas City, KS, September 4, 1981

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 4, 1981
- Place: Kansas City, KS · KANSAS CITY, KS
- Location: 39.1142° N, 94.6275° W: Placed by OpenAirDocs: center of Kansas City, KS, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.1142&lon=-94.6275&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 4 fatal
- Status: Completed, report January 12, 1982
- Report: Brief approved by the director
- NTSB case key (mKey): 124104
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC81FA053
- Page: https://openairdocs.org/ntsb/MKC81FA053

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3021   81/9/4    KANSAS CITY,KS      AERO COMDR 685      CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 40, 4640
        TIME - 1645                    N777MM              PX-  3  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT - KS CITY DOWNTOWN
        DEPARTURE POINT             INTENDED DESTINATION
          KANSAS CITY,MO              RAPID CITY,SD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           STALL: SPIN                                              LANDING: TRAFFIC PATTERN-CIRCLING
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - OIL STARVATION
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER EMERGENCY PROCEDURES
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY LOADED AIRCRAFT-WEIGHT-AND/OR C.G.
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
         FIRE AFTER IMPACT
        REMARKS- NR 4,5,6 MAIN ENG BRGS,NR 1,2,6 ROD BRGS & FNT PROP SHAFT BRG FAILED.APRX 400LBS OVR MAX GROSS WT.
```

## Aircraft

- Registration: [N777MM](https://openairdocs.org/deregistered/N777MM-2013-08-28), registration cancelled 2013-08-28, S/N 12030, built 1973 (OpenAirDocs)
- Reported make and model: AERO COMDR 685
- Registry model: [Aero Commander 685](https://openairdocs.org/model/aero-commander-685) (registry code 0141612) (OpenAirDocs)
- Registry engine: [Continental GTSIO-520-C](https://openairdocs.org/engine/continental-gtsio-520-c) (registry code 17035, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Ks City Downtown

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19810904055479A](https://openairdocs.org/incident/19810904055479A), Sep 4, 1981: Rkwell 685, Kansas City, KS, Destroyed, 3 fatal. Lost right engine on takeoff near end of runway. Called wrong engine. Was over gross. Unable to feather, crashed.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
