# NTSB MKC73DKW15: Swearingen SA226T, N664MC, Chattanooga, TN, January 7, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 7, 1973
- Place: Chattanooga, TN · CHATTANOOGA, TN
- Location: 35.0456° N, 85.3097° W: Placed by OpenAirDocs: center of Chattanooga, TN, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.0456&lon=-85.3097&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report April 11, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 169663
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC73DKW15
- Page: https://openairdocs.org/ntsb/MKC73DKW15

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0285   73/1/7    CHATTANOOGA,TENN    SWEARINGEN SA226T   CR-  0  0  2  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 1737                    N664MC              PX-  0  0  0  CORP/EXEC                 53, 18746 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            8007 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - LOVELL
        DEPARTURE POINT             INTENDED DESTINATION
          HOUSTON,TEX                 CHATTANOOGA,TENN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: ICE/SLUSH ON RUNWAY
        FACTOR(S)
           PERSONNEL - AIRPORT SUPERVISORY PERSONNEL: FAILURE TO NOTIFY OF UNSAFE COND/AND OR FAILURE TO MARK OBSTRUCTION
           WEATHER - SNOW
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  900
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          2 MILES OR LESS                                          RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     RIGHT QUARTERING HEAD WIND 023-067 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           27                                                       50
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           5                                                       IFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- RWY COND NOT NOTAMED. TWR TOLD CREW ABOUT 1 3/4 INCHES SNOW ON RWY BFOR LDG.
```

## Aircraft

- Registration: N664MC (not matched to a registry record)
- Reported make and model: SWEARINGEN SA226T
- Category: Airplane
- Engines: turbo prop
- Damage: Substantial damage
- Airport: Lovell

## 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 19730107000399A](https://openairdocs.org/incident/19730107000399A), Jan 7, 1973: Swrngn SA226T, Chattanooga, TN, Substantial damage. Rwy cond not notamed. Twr told crew about 1 3/4 inches snow on rwy bfor ldg.

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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