# NTSB SEA77DYG10: Waco UPF-7, N29926, Spokane, WA, November 20, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 20, 1976
- Place: Spokane, WA · SPOKANE, WA
- Location: 47.6588° N, 117.4260° W: Placed by OpenAirDocs: center of Spokane, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.6588&lon=-117.4260&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 9, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 156607
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA77DYG10
- Page: https://openairdocs.org/ntsb/SEA77DYG10

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3910  76/11/20 NR.SPOKANE,WA         WACO UPF-7          CR-  0  0  1  MISCELLANEOUS             PRIVATE, AGE 46, 375
        TIME - 1400                    N29926              PX-  0  0  0  FERRY                     TOTAL HOURS, 0 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - OX MEADOWS
        DEPARTURE POINT             INTENDED DESTINATION
         SPOKANE,WA                   PASCO,WA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - PREMATURE LIFT-OFF
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
```

## Aircraft

- Registration: [N29926](https://openairdocs.org/aircraft/N29926), registered now, S/N 5423 (OpenAirDocs)
- Reported make and model: WACO UPF-7
- Registry model: [Waco UPF-7](https://openairdocs.org/model/waco-upf-7) (registry code 9601302) (OpenAirDocs)
- Registry engine: [Continental W670 series](https://openairdocs.org/engine/continental-w670-series) (registry code 17018, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Ox Meadows

## 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 19761120036289A](https://openairdocs.org/incident/19761120036289A), Nov 20, 1976: Waco UPF7, Spokane, WA, Substantial damage

## Other investigations on N29926 (2)

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 LAX92FA257](https://openairdocs.org/ntsb/LAX92FA257), Jun 23, 1992: Waco UPF-7 (N29926), Sedona, AZ, destroyed, 2 fatal. Probable cause: FUEL EXHAUSTION DUE TO THE PILOTS INADEQUATE PREFLIGHT PLANNING AND HIS FAILURE TO REFUEL THE AIRPLANE PRIOR TO DEPARTURE. FACTORS IN THE ACCIDENT WERE: 1) THE UNRELIABLE FUEL SIGHT GAUGES WHICH WERE…
- [NTSB ATL91LA152](https://openairdocs.org/ntsb/ATL91LA152), Aug 5, 1991: Waco UPF-7 (N29926), Manning, SC, substantial damage. Probable cause: THE PILOT'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL DURING THE TAKEOFF ROLL, AND HIS FAILURE TO ABORT THE TAKEOFF IN A TIMELY MANNER ONCE THE AIRPLANE HAD DEPARTED THE RUNWAY SURFACE. A FACTOR IN THE…

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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