# NTSB IAD74DKM32: Mooney M20B, N74578, Rosman, NC, December 26, 1973

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: December 26, 1973
- Place: Rosman, NC · ROSMAN, NC
- Location: 35.1458° N, 82.8207° W: Placed by OpenAirDocs: center of Rosman, NC, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.1458&lon=-82.8207&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report April 16, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 187370
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD74DKM32
- Page: https://openairdocs.org/ntsb/IAD74DKM32

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4079  73/12/26   ROSMAN,NC           MOONEY M20B         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 50, 8750
        TIME - 1510                    N74578              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 1150 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          KNOXVILLE,TENN              ANDERSON,SC
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: TREES                                     IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - ANTI-ICING/DEICING EQUIPMENT-IMPROPER OPERATION OF/OR FAILED TO USE
           MISCELLANEOUS ACTS,CONDITIONS - ICE-CARBURETOR
           TERRAIN - HIGH OBSTRUCTIONS
        FACTOR(S)
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                      3000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       50
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          135                                                       15
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- FLT ON TOP OVC DSCNDD THRU LGE HOLE PICKED UP CARB ICE.UN MANTAIN ALT STALLED ACFT INTO TREE TOPS.
```

## Aircraft

- Registration: [N74578](https://openairdocs.org/deregistered/N74578-2004-10-06), registration cancelled 2004-10-06, S/N 1889, built 1961 (OpenAirDocs)
- Reported make and model: MOONEY M20B
- Registry model: [Mooney M20B](https://openairdocs.org/model/mooney-m20b) (registry code 5870206) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## 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 19731226040469A](https://openairdocs.org/incident/19731226040469A), Dec 26, 1973: Mooney M20B, Rosman, NC, Substantial damage. Flt on top ovc dscndd thru lge hole picked up carb ice. Un mantain alt stalled acft into tree tops.

## Other investigations on N74578 (1)

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 CHI72DEE45](https://openairdocs.org/ntsb/CHI72DEE45), Nov 13, 1971: Mooney M20B (N74578), Rockford, IL, 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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