# NTSB MKC71AK044: Cessna 172G, N4678L, Marshalltown, IA, February 6, 1971

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: February 6, 1971
- Place: Marshalltown, IA · MARSHALLTOWN, IA
- Location: 42.0343° N, 92.9063° W: Placed by OpenAirDocs: center of Marshalltown, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.0343&lon=-92.9063&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal, 2 uninjured
- Status: Completed, report April 14, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 132594
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC71AK044
- Page: https://openairdocs.org/ntsb/MKC71AK044

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0027   71/2/6  NR.MARSHALLTOWN,IOWA  CESSNA 310D         CR-  0  0  1  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 1057                    N6936T              PX-  0  0  1  BUSINESS                  32, 5200 TOTAL HOURS, 600
                                       DAMAGE-SUBSTANTIAL  OT-  1  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MINNEAPOLIS,MINN            OTTUMWA,IOWA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: DESCENDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
        FACTOR(S)
           TERRAIN - SNOW-COVERED
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - NO CONTROL                          RADAR CTL/SURVEILLANCE - NOT UNDER RADAR CONTACT
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROL ZONE/AREA - NO
          EVASIVE ACTION TAKEN - YES                               ANTI-COLLISION LIGHTS - INSTALLED,OPERATION UNKNOWN
        REMARKS- ABOUT 1 FT OF OUTBD R WG OF C-310 SEPARATED IN FLT. LND SAFE.ACFT WERE ABOVE HEAVY SMOKE LAYER.
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0027   71/2/6  NR.MARSHALLTOWN,IOWA  CESSNA 172G         CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 46, 280
        TIME - 1057                    N4678L              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  2                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          OTTUMWA,IOWA                MANKATO,MINN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
        FACTOR(S)
           TERRAIN - SNOW-COVERED
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - NO CONTROL                          RADAR CTL/SURVEILLANCE - NOT UNDER RADAR CONTACT
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROL ZONE/AREA - NO
          EVASIVE ACTION TAKEN - UNKNOWN/NOT REPORTED              ANTI-COLLISION LIGHTS - INSTALLED,OPERATION UNKNOWN
        REMARKS- COLLIDED ALMOST HEAD ON. VERT FIN,RUDDER SEPARATED FROM C-172. BOTH ACFT BLENDED WITH GRND COVER.
```

## Aircraft 1

- Registration: [N4678L](https://openairdocs.org/deregistered/N4678L-1971-03-22), registration cancelled 1971-03-22, S/N 17254673 (OpenAirDocs)
- Reported make and model: CESSNA 172G
- Registry model: [Cessna 172G](https://openairdocs.org/model/cessna-172g) (registry code 2072420) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## Aircraft 2

- Registration: [N6936T](https://openairdocs.org/deregistered/N6936T-2018-08-18), registration cancelled 2018-08-18, S/N 39236, built 1960 (OpenAirDocs)
- Reported make and model: CESSNA 310D
- Registry model: [Cessna 310D](https://openairdocs.org/model/cessna-310d) (registry code 2074212) (OpenAirDocs)
- Registry engine: [Continental I0-470 series](https://openairdocs.org/engine/continental-i0-470-series) (registry code 17027, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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.

---
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.