# NTSB CHI71IC041: Beech 3NM, N7599, Rockford, IL, December 16, 1970

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: December 16, 1970
- 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: 1 uninjured
- Status: Completed, report February 11, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 159514
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI71IC041
- Page: https://openairdocs.org/ntsb/CHI71IC041

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
5-0026  70/12/16   ROCKFORD,ILL        BEECH 3NM           CR-  0  0  1  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1145                    N7599               PX-  0  0  0  AIR TAXI-CARGO            53, 16500 TOTAL HOURS,
                                       DAMAGE-MINOR        OT-  0  0  0                            8150 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - GREATER ROCKFORD
        DEPARTURE POINT             INTENDED DESTINATION
          DETROIT,MICH                ROCKFORD,ILL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO ASSURE THE GEAR WAS DOWN AND LOCKED
        FACTOR(S)
           AIRFRAME - LANDING GEAR: LANDING GEAR WARNING AND INDICATING COMPONENTS
           MISCELLANEOUS ACTS,CONDITIONS - STUCK
           MISCELLANEOUS ACTS,CONDITIONS - CHECKLIST-FAILED TO USE
        REMARKS- GR LIMIT SWITCHES STUCK. GR LTS SHOWED GREEN,WARNING HORN INOP.
```

## Aircraft

- Registration: N7599 (not matched to a registry record)
- Reported make and model: BEECH 3NM
- Category: Airplane
- Engines: reciprocating
- Damage: Minor damage
- Airport: Greater Rockford

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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