# NTSB FTW71AF075: Curtiss-Wrt C-46F, N446M, Houston, TX, May 10, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 10, 1971
- Place: Houston, TX · HOUSTON, TX
- Location: 29.7633° N, 95.3633° W: Placed by OpenAirDocs: center of Houston, TX, within about 14 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=29.7633&lon=-95.3633&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 17, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 161129
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW71AF075
- Page: https://openairdocs.org/ntsb/FTW71AF075

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0419  71/5/10    HOUSTON,TEX         CURTISS-WRT C-46F   CR-  0  0  2  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1509                    N446M               PX-  0  0  0  CTR CARGO-I               49, 15500 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            3500 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - ELLINGTON AFBASE
        DEPARTURE POINT             INTENDED DESTINATION
          HOUSTON,TEX                 MIAMI,FLA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: CLIMB TO CRUISE
           COLLIDED WITH: WIRES/POLES                               LANDING: GO-AROUND
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: OTHER
           MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY LOADED AIRCRAFT-WEIGHT-AND/OR C.G.
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER EMERGENCY PROCEDURES
           MISCELLANEOUS ACTS,CONDITIONS - INTENTIONAL WHEELS-UP
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
        REMARKS- R PROP OSPEED,METAL CHIPS,FEATH.OWT 1129 LBS.UN LOWER GR NORMAL SYS.HIT WIRES.
```

## Aircraft

- Registration: [N446M](https://openairdocs.org/deregistered/N446M-1971-07-16), registration cancelled 1971-07-16, S/N 133 (OpenAirDocs)
- Reported make and model: CURTISS-WRT C-46F
- Registry model: [Curtiss Wright C-46A](https://openairdocs.org/model/curtiss-wright-c-46a) (registry code 2622602) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Ellington Afbase

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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