Kolb TWINSTAR MK II N503BP
30 June 1991 · Staples, Minnesota, United States · Serious injuries
Summary
On 30 June 1991 at about 01:05 local time, a Kolb TWINSTAR MK II registered N503BP, operated by William T. Poage, was involved in an accident near Staples, Minnesota, United States. One person was on board and one was seriously injured. The aircraft was destroyed. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 01:05
- Classification
- Accident
- Location
- Staples, Minnesota, United States
- Nearest airport
- Staples (SAZ)
- Coordinates
- 46.3601, -94.8004
- Aircraft
- Kolb TWINSTAR MK II
- Registration
- N503BP
- Category
- Ultralight
- Engines
- 1
- Operator
- William T. Poage
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Aircraft damage
- Destroyed
- Weather
- VMC
- Light
- Dusk
- NTSB number
- CHI91DER10
People
1 person was seriously injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 0 | 1 | 0 | 0 |
Probable cause
THE DISCONNECTED ELEVATOR TRIM CABLE. RELATED FACTORS ARE THE INADEQUATE MAINTENANCE/INSTALLATION, AND THE PILOT'S INABILITY TO MAINTAIN AIRCRAFT CONTROL.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
WITNESSES REPORTED THEY WATCHED THE ULTRALIGHT TAKE OFF AND NOTED THE ELEVATOR OSCILLATING RAPIDLY, 'FLUTTERING.' THEY STATED THE AIRCRAFT CLIMBED TO ABOUT 200 FEET ABOVE THE GROUND (AGL), THEN THE PILOT BEGAN A TURN BACK TOWARD THE AIRPORT. ACCORDING TO ONE WITNESS: 'THE AIRPLANE STALLED, WENT INTO A SPIN AND CRASHED.' THE ULTRALIGHT IMPACTED TERRAIN IN A MARSHY AREA LESS THAN ONE MILE FROM THE DEPARTURE AIRPORT. POST ACCIDENT INVESTIGATION REVEALED THE TRIM TAB CONTROL CABLE HAD UNSPOOLED FROM THE TRIM TAB WHEEL.
Quoted verbatim from the NTSB record.
Other Kolb TWINSTAR accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 5 May 1991 | Kolb TWINSTAR | Williamsport, Pennsylvania, United States | - | Minor injuries | - |
| 25 Mar 1990 | Kolb TWINSTAR | Halfmoon Bay, California, United States | - | Serious injuries | - |
| 25 Jun 1995 | Kolb TWINSTAR | Abingdon, Virginia, United States | - | No injuries | - |
| 9 Sep 1987 | Kolb TWINSTAR | Hilltown, Pennsylvania, United States | - | Fatal | 2 |
| 23 Oct 1998 | Kolb TWINSTAR TA-2 | Bryan, Texas, United States | - | Fatal | 1 |
| 15 Mar 2015 | Kolb TWINSTAR | Reynolds, Georgia, United States | - | Fatal | 1 |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 25 Apr 1991 | Piper PA-28-140 | Hibbing, Minnesota, United States | WM. & Audrey Svigel | Minor injuries | - |
| 21 May 1991 | Piper PA-22-160 | Mankato, Minnesota, United States | Steve/Chris Napier | No injuries | - |
| 17 Oct 1991 | Cessna 172P | Maple Lake, Minnesota, United States | Crystal Shamrock, Inc. | Minor injuries | - |
| 28 May 1991 | Beechcraft C-23 | Cottage Grove, Minnesota, United States | General Avaition Services | Minor injuries | - |
| 28 May 1991 | Cessna 150 | Cambridge, Minnesota, United States | Thomas W. Parker | No injuries | - |
| 28 May 1991 | Piper PA28-140 | Albany, Minnesota, United States | Skalicky, Norm | No injuries | - |