Schweizer 269C N7504D
5 May 1993 · Grand Forks, North Dakota, United States · Minor injuries
Summary
On 5 May 1993 at about 16:45 local time, a Schweizer 269C registered N7504D, operated by University of North Dakota, was involved in an accident near Grand Forks, North Dakota, United States. One person was on board and one had minor injuries. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 16:45
- Classification
- Accident
- Location
- Grand Forks, North Dakota, United States
- Nearest airport
- Sky Ranch (6NA9)
- Coordinates
- 47.9103, -97.0705
- Aircraft
- Schweizer 269C
- Registration
- N7504D
- Category
- Helicopter
- Engines
- 1
- Operator
- University of North Dakota
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Instructional
- Phase of flight
- Not recorded
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- CHI93LA159
People
1 person had minor injuries.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 0 | 0 | 1 | 0 |
Probable cause
THE PILOT'S IMPROPER USE OF COLLECTIVE IN RECOVERING FROM A LOSS OF CONTROL DUE TO GROUND RESONANCE.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE PILOT WAS PRACTICING LANDINGS WHEN THE ACCIDENT OCCURRED. THE PILOT STATED HE LOWERED THE COLLECTIVE AND CENTERED THE CYCLIC IN ORDER TO STOP A GROUND RUN DURING THE LANDING. THE HELICOPTER BEGAN TO VIBRATE AND THE PILOT BROUGHT THE CYCLIC BACK TO CENTER, ROLLED OFF THE THROTTLE AND VERIFIED THAT THE COLLECTIVE WAS LOWERED. THE HELICOPTER CONTINUED TO SHAKE WITH THE BLADES STRIKING THE GROUND. THE SADDLE FUEL TANK SEPARATED FROM THE HELICOPTER AND A FIRE WAS INITIATED. THE PILOT WAS ABLE TO EVACUATE THE HELICOPTER PRIOR TO ITS BEING CONSUMED BY FIRE. POST ACCIDENT INSPECTION OF HELICOPTER AND ITS COMPONENTS NOT DESTROYED IN THE FIRE FAILED TO REVEAL ANY FAILURE/MALFUNCTION WHICH WOULD HAVE RESULTED IN THE ACCIDENT.
Quoted verbatim from the NTSB record.
Other Schweizer 269 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 15 Nov 1993 | Schweizer 269C | Elmira, New York, United States | - | Minor injuries | - |
| 8 Jul 1993 | Schweizer 269C | Rialto, California, United States | Cari Aviation, Inc. | No injuries | - |
| 30 Sep 1993 | Schweizer 269C | Kepuhi Molokai, Hawaii, United States | Matthew G. Hardy | No injuries | - |
| 18 Aug 1993 | Schweizer 269C | Punta Gorda, Florida, United States | Helicopter TNG Academy Inc. | No injuries | - |
| 6 Oct 1993 | Schweizer 269C | Opa-Locka, Florida, United States | Miami Helicopter Service, Inc. | No injuries | - |
| 2 Dec 1992 | Schweizer 269C | Kansas City, Missouri, United States | Board of Police Commissioners | Fatal | 2 |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 18 Jul 1993 | Aero Commander S2R | Hoople, North Dakota, United States | - | No injuries | - |
| 20 Aug 1993 | Piper PA-25-235 | Washburn, North Dakota, United States | - | No injuries | - |
| 20 Feb 1993 | Piper PA-23-160 | Cannonball, North Dakota, United States | HIF, Inc. | No injuries | - |
| 28 Feb 1993 | Cessna 150M | Stanley, North Dakota, United States | Pietsch Flying Incorporated | No injuries | - |
| 11 Mar 1993 | Bellanca 7GCBC | Bismarck, North Dakota, United States | Leroy E. Nielsen | No injuries | - |
| 5 Apr 1993 | Piper PA-28-161 | Northwood, North Dakota, United States | University of North Dakota | No injuries | - |