# NTSB CHI70FBD40: Aero Comdr 680, N307V, Chicago Ohare, IL, May 19, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 19, 1970
- Place: Chicago Ohare, IL · CHICAGO OHARE, IL
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report March 2, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 122270
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI70FBD40
- Page: https://openairdocs.org/ntsb/CHI70FBD40

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2084  70/5/19    CHICAGO OHARE,ILL   AERO COMDR 680      CR-  0  0  1  NONCOMMERCIAL             ATP,FLIGHT INSTR., AGE
        TIME - 2117                    N307V               PX-  0  0  1  PLEASURE/PERSONAL TRANSP  33, 14500 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            700 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - CHICAGO OHARE
        DEPARTURE POINT             INTENDED DESTINATION
          BENTON HARBOR,MICH          CHICAGO OHARE,ILL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           AIRFRAME - LANDING GEAR: GEAR LOCKING MECHANISM
        FACTOR(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
        REMARKS- LDG GR SELECT HANDLE LOCK PIN DID NOT ENGAGE.HANDLE LOOSE,CRUSH WASHER WORN.FLAT SPOTS,BOTH TIRES
```

## Aircraft

- Registration: [N307V](https://openairdocs.org/deregistered/N307V-2020-10-31), registration cancelled 2020-10-31, S/N 680-347-38, built 1956 (OpenAirDocs)
- Reported make and model: AERO COMDR 680
- Registry model: [Aero Commander 680](https://openairdocs.org/model/aero-commander-680) (registry code 0141602) (OpenAirDocs)
- Registry engine: [Lycoming GSO&IGSO-480 series](https://openairdocs.org/engine/lycoming-gso-igso-480-series) (registry code 41529, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Chicago Ohare

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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