# NTSB SEA71FWA01: Aeronca 7GCB, N9915Y, Hillsboro, OR, July 4, 1970

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 4, 1970
- Place: Hillsboro, OR · HILLSBORO, OR
- Location: 45.5253° N, 122.9364° W: Placed by OpenAirDocs: center of Hillsboro, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.5253&lon=-122.9364&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor
- Status: Completed, report April 29, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 121152
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA71FWA01
- Page: https://openairdocs.org/ntsb/SEA71FWA01

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2902   70/7/4  NR.HILLSBORO,OREG     AERONCA 7GCB        CR-  0  1  0  MISCELLANEOUS             COMMERCIAL, AGE 25, 945
        TIME - 0935                    N9915Y              PX-  0  0  1  TOWING GLIDERS            TOTAL HOURS, 50 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - EAGLE GLIDERPORT
        DEPARTURE POINT             INTENDED DESTINATION
         HILLSBORO,OREG               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER EMERGENCY PROCEDURES
        FACTOR(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - PITCH CONTROL PROBLEM
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      80
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          270                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- UPDRAFT CAUSED GLIDER TO ASCEND,CAUSED TOW ACFT TO NOSE DWN,BOTH PLTS SLOW TO RELEASE.
```

## Aircraft

- Registration: [N9915Y](https://openairdocs.org/deregistered/N9915Y-1973-07-20), registration cancelled 1973-07-20, S/N 7GCB-138 (OpenAirDocs)
- Reported make and model: AERONCA 7GCB
- Registry model: [Champion AERONCA 7GCB](https://openairdocs.org/model/champion-aeronca-7gcb) (registry code 2110168) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Eagle Gliderport

## Other investigations on N9915Y (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 SEA73AS032](https://openairdocs.org/ntsb/SEA73AS032), May 16, 1973: Champion 7GCB (N9915Y), North Plains, OR, destroyed, 1 fatal

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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