# NTSB MKC81DCD23: Thorp T-18, N179RW, Waterloo, IA, July 11, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 11, 1981
- Place: Waterloo, IA · WATERLOO, IA
- Location: 42.4928° N, 92.3430° W: Placed by OpenAirDocs: center of Waterloo, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.4928&lon=-92.3430&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report August 13, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124926
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC81DCD23
- Page: https://openairdocs.org/ntsb/MKC81DCD23

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1390  81/7/11    WATERLOO,IA         THORP T-18          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 21, 90 TOTAL
        TIME - 1630                    N179RW              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  HOURS, 7 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - FLYERS
        DEPARTURE POINT             INTENDED DESTINATION
          WATERLOO,IA                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
           PILOT IN COMMAND - IMPROPER RECOVERY FROM BOUNCED LANDING
```

## Aircraft

- Registration: [N179RW](https://openairdocs.org/deregistered/N179RW-2013-08-06), registration cancelled 2013-08-06, S/N 179, built 1978 (OpenAirDocs)
- Reported make and model: THORP T-18
- Registry model: [Weselmann-Roger THORP T-18](https://openairdocs.org/model/weselmann-roger-thorp-t-18) (registry code 89510C2) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Flyers

## 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 19810711041799A](https://openairdocs.org/incident/19810711041799A), Jul 11, 1981: Amtrth THORPT18, Waterloo, IA, Substantial damage. Bounced on landing. Lost control, dragged a wing-tip and nosed up on the runway.

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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