# NTSB CHI73AC056: Hamilton TC-45J, N10AS, Cleveland, OH, December 12, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 12, 1972
- Place: Cleveland, OH · CLEVELAND, OH
- Location: 41.4995° N, 81.6954° W: Placed by OpenAirDocs: center of Cleveland, OH, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.4995&lon=-81.6954&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 30, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 169345
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI73AC056
- Page: https://openairdocs.org/ntsb/CHI73AC056

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3768  72/12/12   CLEVELAND,OHIO      HAMILTON TC-45J     CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0656                    N10AS               PX-  0  0  0  AIR TAXI-CARGO            AGE 30, 3267 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            320 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - HOPKINS
        DEPARTURE POINT             INTENDED DESTINATION
          DETROIT,MICH                WAKEMAN,OHIO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
           MISCELLANEOUS ACTS,CONDITIONS - ICE-WINDSHIELD
           WEATHER - OBSTRUCTIONS TO VISION
        FACTOR(S)
           PERSONNEL - OPERATIONAL SUPERVISORY PERSONNEL: INADEQUATE SUPERVISION OF FLIGHT CREW
           WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - AIRFRAME ICE
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY RADIO
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                      3700
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          4 MILES OR LESS                                          FREEZING DRIZZLE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      29
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          100                                                       6
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- WINDSHIELD ICED OVER.DEFROSTER INSTALLED BUT NO ANTI-ICE/DE-ICER. ALSO MISUSED DE-ICER BOOTS.
```

## Aircraft

- Registration: [N10AS](https://openairdocs.org/deregistered/N10AS-1996-01-29), registration cancelled 1996-01-29, S/N 39904 (OpenAirDocs)
- Reported make and model: HAMILTON TC-45J
- Registry model: [Beech TC-45J](https://openairdocs.org/model/beech-tc-45j) (registry code 1151022) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- Damage: Substantial damage
- Airport: Hopkins

## Other investigations on N10AS (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 CHI88FA024](https://openairdocs.org/ntsb/CHI88FA024), Nov 19, 1987: Beech TC-45J (N10AS), St Clair Shores, MI, destroyed
- [NTSB NYC75AN081](https://openairdocs.org/ntsb/NYC75AN081), Jan 20, 1975: Volpar TC45J (N10AS), Norwood, MA, substantial damage

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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