# Accident 20070801018149A: Amtr LANCAIRIV, Sylvan Grove, KS, August 1, 2007

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 1, 2007, 16:15 local time
- Place: Sylvan Grove, KS
- Damage: Substantial damage
- Phase of flight: Forced/Precautionary Landing
- Operating rules: General operating rules (Part 91)
- Location: 38.9939° N, 99.5953° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=38.9939&lon=-99.5953&mi=10
- Aircraft: N7441W, a cancelled registration (https://openairdocs.org/deregistered/N7441W-2013-08-14) (OpenAirDocs)
- Registry model: Walker David S LANCAIR IV (registry code 05601FU, https://openairdocs.org/model/walker-david-s-lancair-iv) (OpenAirDocs)
- Registry engine: Continental IO-550 series (registry code 17042, https://openairdocs.org/engine/continental-io-550-series) (OpenAirDocs)
- Reported make and model: AMTR LANCAIRIV
- Reported engine: CONT TSIO550B1B
- Fatal injuries: 0
- Pilot flight hours: 8,700 total, 3 in this make and model, 3 in the last 90 days
- NTSB investigation: [NTSB DEN07LA133](https://openairdocs.org/ntsb/DEN07LA133) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20070801018149A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(-23) ON 08/01/2007 AT APPROXIMATELY 1355 CST, EXPERIMENTAL/AMATEUR-BUILT AIRCRAFT, LANCAIR IV, N7441W DEPARTED JUNCTION CITY, KS (3JC) IN VFR CONDITIONS FOLLOWING A CONDITION INSPECTION. THE PILOT STATED THAT HE NOTICED A MALFUNCTION OF THE ELECTRONIC MANIFOLD INDICATION AND #2 CYLINDER HEAD TEMPERATURE INCREASED MORE THAN THE OTHER CYLINDERS. UPON REACHING CRUISE ALTITUDE OF 10,500' THE ENGINE LOST POWER AND CONTINUED TO WINDMILL. THE PILOT LANDED THE AIRCRAFT, LANDING GEAR EXTENDED, IN A TERRACED FIELD. THE LANDING GEAR COLLAPSED AFTER A 400' ROLL OUT AND CONTINUED ON FOR ANOTHER 300 FEET. THE PILOT SUFFERED SERIOUS INJURIES AND THE AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE. THE OIL PRESSURE LINE FROM THE TURBOCHARGER CONTROLLER TO THE WASTEGATE ACTUATOR WAS FOUND TO BE DISCONNECTED AT THE WASTEGATE ACTUATOR AND TWO SPARK PLUGS WERE FOUND TO BE IMPROPERLY INSTALLED. THE PILOT HAS THREE HOURS IN MAKE & MODEL. ^PRIVACY DATA OMITTED^

## The NTSB's investigation of this event (1)

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 DEN07LA133](https://openairdocs.org/ntsb/DEN07LA133), Aug 1, 2007: Walker Lancair IV (N7441W), Sylvan Grove, KS, substantial damage. Probable cause: A catastrophic engine failure due to oil starvation when an oil line to the turbocharger wastegate actuator came loose. Contributing factors in this accident were the unsuitable terrain on which to…

## Other reports on N7441W (1)

Matched to the same aircraft by N-number and date.

- [Accident 20030426009759A](https://openairdocs.org/incident/20030426009759A), Apr 26, 2003: Amtr LANCAIRIV (N7441W), Wamego, KS, Substantial damage. (-23) Single engine airplane was too slow on final approach and developed a high sink rate, which resulted in aircraft making a hard landing. The first impact…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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