Cessna F150 and Diamond HK36 accident near Zell Am See, At, August 28, 2011
On August 28, 2011 at about 1:43 pm local time, 2 aircraft, Cessna F150 (DEEAW) and Diamond HK36 (DKILL), were involved in the same accident near Zell Am See (Zell Am See airport). 4 people were killed.
The NTSB's probable cause their words, unchanged
The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- August 28, 2011 · about 1:43 pm local time
- Place
- Zell Am See, Austria · Zell Am See · map
- Type
- Accident
- Injuries
- 4 people were killed.
- Weather
- not recorded
- Aircraft 1
- Cessna F150 F
- Registration
- DEEAW · no longer on the register · serial F15000028
- Damage
- Substantial damage
- Flight
- Flight of an unrecorded kind · non-U.S. private rules
- Aircraft 2
- Diamond HK36 R
- Registration
- DKILL · no longer on the register · serial 36325
- Damage
- Substantial damage
- Flight
- Flight of an unrecorded kind · non-U.S. private rules
The NTSB's narrative for the Cessna F150 preliminary · quoted from the NTSB record
On August 28, 2011, at 1343 coordinated universal time, a German registered Cessna 150, D-EEAW, and a German registered Diamond HK-36R, D-KILL, collided in-flight near Zell am See, Austria. The two persons on board the Cessna and the two persons on board the Diamond were all fatally injured. The Cessna had departed from the Innsbruck Kranebitten Airport (LOWI), Tyrol, Austria. The Diamond had departed from Paterzell Airfield, Wessobrunn, Germany. Both airplane were destined for the Zell am See Airfield (LOWZ), Zell am See, Austria. The accident investigation is under the jurisdiction and control of the Austrian government. This report is for information purposes only and contains only information released by or obtained from the Austrian government. Further information pertaining to this accident may be obtained from: BMVIT – IIBAV/UUB/LF Federal Office of Transport Accident Investigation Branch, Department of Aviation Postfach 207, 1000 Wien Lohnergasse 9, 1210 Wien Austria
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The NTSB's narrative for the Diamond HK36 preliminary · quoted from the NTSB record
On August 28, 2011, at 1343 coordinated universal time, a German registered Cessna 150, D-EEAW, and a German registered Diamond HK-36R, D-KILL, collided in-flight near Zell am See, Austria. The two persons on board the Cessna and the two persons on board the Diamond were all fatally injured. The Cessna had departed from the Innsbruck Kranebitten Airport (LOWI), Tyrol, Austria. The Diamond had departed from Paterzell Airfield, Wessobrunn, Germany. Both airplane were destined for the Zell am See Airfield (LOWZ), Zell am See, Austria. The accident investigation is under the jurisdiction and control of the Austrian government. This report is for information purposes only and contains only information released by or obtained from the Austrian government. Further information pertaining to this accident may be obtained from: BMVIT – IIBAV/UUB/LF Federal Office of Transport Accident Investigation Branch, Department of Aviation Postfach 207, 1000 Wien Lohnergasse 9, 1210 Wien Austria
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record for the Cessna F150 from the NTSB's investigation tables, in plain English
What happened, in order
- Midair collision during maneuvering
The aircraft
- Landing gear: fixed
The flight
- Departed from: LOWI Tyrol
- Destination: LOWZ Zell Am See
- Flight plan: not recorded
Weather at the time
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flight crew | 2 |
The factual record for the Diamond HK36 from the NTSB's investigation tables, in plain English
What happened, in order
- Midair collision during maneuvering
The aircraft
- Landing gear: fixed
The flight
- Departed from: Wessobrunn
- Destination: LOWZ Zell Am See
- Flight plan: not recorded
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flight crew | 2 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.