# NTSB CHI71FBD33: Beech P35, N9651Y, Northbrook, IL, October 16, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 16, 1970
- Place: Northbrook, IL · NORTHBROOK, IL
- Location: 42.1287° N, 87.8352° W: Placed by OpenAirDocs: center of Northbrook, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.1287&lon=-87.8352&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 16, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 158506
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI71FBD33
- Page: https://openairdocs.org/ntsb/CHI71FBD33

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3970  70/10/16   NORTHBROOK,ILL      BEECH P35           CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 58, 1882
        TIME - 1740                    N9651Y              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 581 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - SKY HARBOR
        DEPARTURE POINT             INTENDED DESTINATION
          JOLIIET,ILL                 NORTHBROOK,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
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER EMERGENCY PROCEDURES
           AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY
           SYSTEMS - ELECTRICAL SYSTEM: MOTORS
        FACTOR(S)
           AIRFRAME - LANDING GEAR: LANDING GEAR WARNING AND INDICATING COMPONENTS
        REMARKS- NO GREEN LITE,MAN GR EXTN NOT ATMTD.MOTOR OPD INTMT,RDCD SPEED.THROTTLE WRNG SWITCH WORN,LOOSE.
```

## Aircraft

- Registration: [N9651Y](https://openairdocs.org/aircraft/N9651Y), registered now, S/N D-7069, built 1962 (OpenAirDocs)
- Reported make and model: BEECH P35
- Registry model: [Beech P35](https://openairdocs.org/model/beech-p35) (registry code 1151530) (OpenAirDocs)
- Registry engine: [Continental I0-470 series](https://openairdocs.org/engine/continental-i0-470-series) (registry code 17027, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Sky Harbor

## Other investigations on N9651Y (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 CHI71FBD11](https://openairdocs.org/ntsb/CHI71FBD11), Aug 10, 1970: Beech P35 (N9651Y), West Chicago, IL, substantial damage
- [NTSB CHI68F0458](https://openairdocs.org/ntsb/CHI68F0458), Dec 6, 1967: Beech P35 (N9651Y), Marion, IL, 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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