# NTSB FTW77DQG50: M.B.B. 109, N109DW, San Angelo, TX, July 31, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 31, 1977
- Place: San Angelo, TX · SAN ANGELO, TX
- Location: 31.4638° N, 100.4370° W: Placed by OpenAirDocs: center of San Angelo, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=31.4638&lon=-100.4370&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 22, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 146093
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW77DQG50
- Page: https://openairdocs.org/ntsb/FTW77DQG50

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1885  77/7/31    SAN ANGELO,TX       M.B.B. 109          CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 31, 3050
        TIME - 0900                    N109DW              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 50 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MATHIS
        DEPARTURE POINT             INTENDED DESTINATION
          SAN ANGELO,TX              UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           GEAR COLLAPSED                                           TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
```

## Aircraft

- Registration: N109DW (not matched to a registry record)
- Reported make and model: M.B.B. 109
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Mathis

## 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 19770731024439A](https://openairdocs.org/incident/19770731024439A), Jul 31, 1977: Amtr 5623004, San Angelo, TX, 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.
