# NTSB CHI68D0335: Porterfield LP-65, N34706, Lombard, IL, June 3, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 3, 1967
- Place: Lombard, IL · LOMBARD, IL
- Location: 41.8738° N, 88.0155° W: Placed by OpenAirDocs: center of Lombard, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.8738&lon=-88.0155&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 13, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 118513
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI68D0335
- Page: https://openairdocs.org/ntsb/CHI68D0335

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2854   67/6/3    LOMBARD,ILL         PORTERFIELD LP-65   CR-  0  0  2  MISCELLANEOUS             PRIVATE, AGE 36, 110
        TIME - 1030                    N34706              PX-  0  0  0  DEMONSTRATION             TOTAL HOURS, 37 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - LOMBARD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           COPILOT - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
```

## Aircraft

- Registration: [N34706](https://openairdocs.org/deregistered/N34706-2012-10-03), registration cancelled 2012-10-03, S/N 872, built 1941 (OpenAirDocs)
- Reported make and model: PORTERFIELD LP-65
- Registry model: [Porterfield LP-65](https://openairdocs.org/model/porterfield-lp-65) (registry code 6480124) (OpenAirDocs)
- Registry engine: [Lycoming 0-145B series](https://openairdocs.org/engine/lycoming-0-145b-series) (registry code 41502, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Lombard

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.