# NTSB CHI72DEE34: Cessna 310B, N125ET, Rockford, IL, September 17, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 17, 1971
- Place: Rockford, IL · ROCKFORD, IL
- Location: 42.2711° N, 89.0940° W: Placed by OpenAirDocs: center of Rockford, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.2711&lon=-89.0940&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report May 12, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 163736
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI72DEE34
- Page: https://openairdocs.org/ntsb/CHI72DEE34

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3743  71/9/17    ROCKFORD,ILL        CESSNA 310B         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 2030                    N125ET              PX-  0  0  1  DUAL                      AGE 34, 715 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            4 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - GREATER ROCKFORD
        DEPARTURE POINT             INTENDED DESTINATION
          ROCKFORD,ILL                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           DUAL STUDENT - MISJUDGED SPEED AND ALTITUDE
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        REMARKS- DMG TO ACFT WNG STRUCTURE FM HRD NGT LDG.
```

## Aircraft

- Registration: [N125ET](https://openairdocs.org/aircraft/N125ET), registered now, S/N 35706, built 1958 (OpenAirDocs)
- Reported make and model: CESSNA 310B
- Registry model: [Cessna 310B](https://openairdocs.org/model/cessna-310b) (registry code 2074208) (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: Greater Rockford

## Other investigations on N125ET (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 UNK64X1570](https://openairdocs.org/ntsb/UNK64X1570), May 2, 1964: Cessna 310B (N125ET), Vivian, LA, 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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