# NTSB MKC72DCD06: Piper PA-18, N4430Z, Thayer, IA, July 15, 1971

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: July 15, 1971
- Place: Thayer, IA · THAYER, IA
- Location: 41.0287° N, 94.0499° W: Placed by OpenAirDocs: center of Thayer, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.0287&lon=-94.0499&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report March 10, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 162113
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC72DCD06
- Page: https://openairdocs.org/ntsb/MKC72DCD06

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2748  71/7/15    THAYER,IOWA         PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 29, 236
        TIME - 0800                    N4430Z              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 100 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          OSCEOLA,IOWA                THAYER,IOWA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        REMARKS- HIT 2 WIRES ACROSS ROAD,CONSTRUCTION SITE.
```

## Aircraft

- Registration: [N4430Z](https://openairdocs.org/aircraft/N4430Z), registered now, S/N 18-8768, built 1968 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18-150](https://openairdocs.org/model/piper-pa-18-150) (registry code 7101828) (OpenAirDocs)
- Registry engine: [Lycoming 0-350 series](https://openairdocs.org/engine/lycoming-0-350-series) (registry code 41512, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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.

---
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.
