# NTSB NYC67A0007: Martin M-404, N40446, Roanoke, VA, July 9, 1966

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 9, 1966
- Place: Roanoke, VA · ROANOKE, VA
- Location: 37.2710° N, 79.9414° W: Placed by OpenAirDocs: center of Roanoke, VA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.2710&lon=-79.9414&mi=10
- Phase of flight: [Standing](https://openairdocs.org/ntsb-phases/150) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 3 minor, 38 uninjured
- Status: Completed, report May 18, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 171456
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC67A0007
- Page: https://openairdocs.org/ntsb/NYC67A0007

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0042   66/7/9    ROANOKE VA          MARTIN M-404        CR-  0  0  4  SCHED DOM PASSG SRV       ATP,FLIGHT INSTR., AGE
        TIME - 0954                    N40446              PX-  0  1 37                            42, 17500 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1853 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - WOODRUM
        OPERATOR - PIEDMONT AVIATION,INC.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           STATIC: PARKED-ENGINES NOT OPERATING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           SYSTEMS - HYDRAULIC SYSTEM: RESERVOIR,LINES,FITTINGS
           AIRFRAME - LANDING GEAR: SWITCHES,LEVERS,CRANKING MECHANISM,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - DISREGARD OF GOOD OPERATING PRACTICE
        REMARKS- LDG GR PINS NOT IN.ON HYD TEST,GR HANDLE MOVED UP DUE EXC CLNC IN SEL VALVE AND AIR IN HYD SYSTEM.
```

## Aircraft

- Registration: [N40446](https://openairdocs.org/deregistered/N40446-1966-09-22), registration cancelled 1966-09-22, S/N 14238 (OpenAirDocs)
- Reported make and model: MARTIN M-404
- Registry model: [Martin 404](https://openairdocs.org/model/martin-404) (registry code 5450702) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Woodrum

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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