# NTSB SEA76FYC71: Cessna 320E, N3472Q, Hillsboro, OR, September 30, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 30, 1976
- 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: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report December 23, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 149692
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA76FYC71
- Page: https://openairdocs.org/ntsb/SEA76FYC71

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3280  76/9/30    HILLSBORO,OR        CESSNA 320E         CR-  0  0  1  MISCELLANEOUS             PRIVATE, AGE 51, 4926
        TIME - 1645                    N3472Q              PX-  0  0  3  TEST                      TOTAL HOURS, 2555 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - PORTLAND
        DEPARTURE POINT             INTENDED DESTINATION
          HILLSBORO,OR                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           AIRFRAME - LANDING GEAR: EMERGENCY/EXTENSION ASSEMBLY
           AIRFRAME - LANDING GEAR: GEAR LOCKING MECHANISM
           MISCELLANEOUS ACTS,CONDITIONS - BINDING
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER ALIGNMENT/ADJUSTMENT
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- NOSE GR NOT LOCKED DUE MALF UPLOCK HOOK.
```

## Aircraft

- Registration: [N3472Q](https://openairdocs.org/deregistered/N3472Q-1996-03-09), registration cancelled 1996-03-09, S/N 320E0072 (OpenAirDocs)
- Reported make and model: CESSNA 320E
- Registry model: [Cessna 320E](https://openairdocs.org/model/cessna-320e) (registry code 2074514) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Portland

## 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 19760930035649A](https://openairdocs.org/incident/19760930035649A), Sep 30, 1976: Cessna 320E, Hillsboro, OR, Substantial damage. Nose gr not locked due malf uplock hook.

## Other investigations on N3472Q (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 FTW94FA183](https://openairdocs.org/ntsb/FTW94FA183), May 28, 1994: Cessna 320E (N3472Q), Battle Mountain, NV, destroyed, 2 fatal. Probable cause: THE PILOT'S FAILURE TO MAINTAIN TERRAIN CLEARANCE WHILE MANEUVERING DURING A LOW LEVEL AERIAL MAPPING FLIGHT. A FACTOR WAS THE BOX CANYON.

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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