# NTSB MKC78DCG06: Aero Comdr 520, N4178B, Lamar, MO, October 29, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 29, 1977
- Place: Lamar, MO · LAMAR, MO
- Location: 37.4939° N, 94.2784° W: Placed by OpenAirDocs: center of Lamar, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.4939&lon=-94.2784&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report November 22, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 145299
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC78DCG06
- Page: https://openairdocs.org/ntsb/MKC78DCG06

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3163  77/10/29   LAMAR,MO            AERO COMDR 520      CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 40, 457
        TIME - 2130                    N4178B              PX-  0  0  3  BUSINESS                  TOTAL HOURS, 193 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - LAMAR MUN
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          ST PAUL,MN                  ROGERS,AR                    LAMAR,MO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
           PILOT IN COMMAND - IMPROPER COMPENSATION FOR WIND CONDITIONS
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     LEFT CROSS WIND 248-292 DEGREES
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          120                                                       7
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
```

## Aircraft

- Registration: [N4178B](https://openairdocs.org/deregistered/N4178B-2012-08-01), registration cancelled 2012-08-01, S/N 520-85, built 1953 (OpenAirDocs)
- Reported make and model: AERO COMDR 520
- Registry model: [Aero Commander 520](https://openairdocs.org/model/aero-commander-520) (registry code 0141202) (OpenAirDocs)
- Registry engine: [Lycoming GO-435C&D series](https://openairdocs.org/engine/lycoming-go-435c-d-series) (registry code 41521, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Lamar Mun

## 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 19771029033169A](https://openairdocs.org/incident/19771029033169A), Oct 29, 1977: Rkwell 520, Lamar, MO, Substantial damage

## Other investigations on N4178B (2)

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.

- [NTSB FTW79DRD16](https://openairdocs.org/ntsb/FTW79DRD16), Mar 4, 1979: Aero Comm 520 (N4178B), New Orleans, LA, destroyed
- [NTSB MKC77FER09](https://openairdocs.org/ntsb/MKC77FER09), Dec 7, 1976: Aero Comdr 520 (N4178B), St Paul, MN, substantial damage

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.

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