# NTSB CHI71FEC47: Beech H-35, N320B, Hillsdale, MI, May 3, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 3, 1971
- Place: Hillsdale, MI · HILLSDALE, MI
- Location: 41.9275° N, 84.6375° W: Placed by OpenAirDocs: center of Hillsdale, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.9275&lon=-84.6375&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report January 7, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 161655
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI71FEC47
- Page: https://openairdocs.org/ntsb/CHI71FEC47

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1518   71/5/3    HILLSDALE,MICH      BEECH H-35          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 45, 632
        TIME - 1630                    N320B               PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 170 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - HILLSDALE
        DEPARTURE POINT             INTENDED DESTINATION
          HILLSDALE,MICH              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: NOSEWHEEL ASSEMBLIES
           AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        REMARKS- NORMAL LDG,NS GR COLLAPSED DRNG LAST PART OF ROLLOUT.NS GR RETRACT ROD END FAILED.
```

## Aircraft

- Registration: [N320B](https://openairdocs.org/aircraft/N320B), registered now, S/N D-5170, built 1957 (OpenAirDocs)
- Reported make and model: BEECH H-35
- Registry model: [Beech H35](https://openairdocs.org/model/beech-h35) (registry code 1151520) (OpenAirDocs)
- Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Hillsdale

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
