# NTSB CHI78DEE71: Thorp T-18, N711RF, Schaumburg, IL, September 1, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 1, 1978
- Place: Schaumburg, IL · SCHAUMBURG, IL
- Location: 42.0284° N, 88.0847° W: Placed by OpenAirDocs: center of Schaumburg, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.0284&lon=-88.0847&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 20, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 139442
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI78DEE71
- Page: https://openairdocs.org/ntsb/CHI78DEE71

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4042   78/9/1    SCHAUMBURG,IL       THORP T-18          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 68, 580
        TIME - 1400                    N711RF              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 66 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - SCHAUMBURG
        DEPARTURE POINT             INTENDED DESTINATION
          KENOSHA, WI                 SCHAUMBURG,IL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           OVERSHOOT                                                LANDING: LEVEL OFF/TOUCHDOWN
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           PILOT IN COMMAND - FAILED TO INITIATE GO-AROUND
           PILOT IN COMMAND - MISJUDGED DISTANCE AND SPEED
           MISCELLANEOUS ACTS,CONDITIONS - INTENTIONAL GROUND-WATER-LOOP-SWERVE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
```

## Aircraft

- Registration: [N711RF](https://openairdocs.org/deregistered/N711RF-2018-05-03), registration cancelled 2018-05-03, S/N 514, built 1978 (OpenAirDocs)
- Reported make and model: THORP T-18
- Registry model: [Fonk THORP T-18](https://openairdocs.org/model/fonk-thorp-t-18) (registry code 8951083) (OpenAirDocs)
- Registry engine: [Lycoming IO-320 series](https://openairdocs.org/engine/lycoming-io-320-series) (registry code 41509, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Schaumburg

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19780901030329A](https://openairdocs.org/incident/19780901030329A), Sep 1, 1978: Kinner SPORTSTERK, Schaumburg, 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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