Gyroflug SC01B160 N3412L
10 June 1990 · Mineral Wells, Texas, United States · Fatal
Summary
On 10 June 1990 at about 13:15 local time, a Gyroflug SC01B160 registered N3412L was involved in an accident near Mineral Wells, Texas, United States. One person was on board and one died. The aircraft was destroyed. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 13:15
- Classification
- Accident
- Location
- Mineral Wells, Texas, United States
- Nearest airport
- Municipal (MWL)
- Coordinates
- 32.8209, -98.0709
- Aircraft
- Gyroflug SC01B160
- Registration
- N3412L
- Category
- Airplane
- Engines
- 1
- Operator
- Not recorded
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Other Work Use
- Phase of flight
- Not recorded
- Aircraft damage
- Destroyed
- Weather
- VMC
- Light
- Day
- NTSB number
- FTW90DPA05
People
1 person died.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 1 | 0 | 0 | 0 |
Probable cause
TOTAL PROPELLER BLADE RETENTION FAILURE, THE RESULTANT SEPARATION OF ONE PROPELLER BLADE, AND THE IMPROPER INSTALLATION OF THE PROPELLER BY UNKNOWN MAINTENANCE PERSONNEL.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE AIRPLANE HAD BEEN MODIFIED TO BE FLOWN EITHER REMOTELY OR BY THE PILOT. TAKEOFF AND INITIAL CLIMB WERE PERFORMED BY REMOTE CONTROL AND CONTROL WAS TRANSFERRED TO THE PILOT TO POSITION FOR A REMOTE CONTROL LANDING. ANGLE OF BANK INCREASED PAST 90 DEGREES IN A NOSE HIGH ATTITUDE AT ABOUT 425 FEET AGL; THE PILOT TRANSMITTED THAT HE WAS 'GOING DOWN' SHORTLY BEFORE IMPACT. ONE OF THE THREE WOODEN PROPELLER BLADES SEPARATED FROM THE HUB AND WAS FOUND 1/4 MILE FROM THE MAIN WRECKAGE. THE BLADE WAS ATTACHED TO THE HUB PRIMARILY BY 5 LAG SCREWS. THREADS IN THE WOOD BUTT OF THE SEPARATED BLADE WERE STRIPPED. THE 5 SCREWS REMAINED IN PLACE. LAG SCREWS IN THE REMAINING 2 BLADES WERE FOUND UNDERTORQUED. SEVERAL DISCREPANCIES WERE NOTED REGARDING SPECIFICATIONS FOR PROPELLER BLADE ROOT AND SIZE, TOLERANCES, AND LAG SCREWS.
Quoted verbatim from the NTSB record.
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 19 Mar 1990 | Bell 206B | Pearland, Texas, United States | Houston Helicopter, Inc | Serious injuries | - |
| 17 Mar 1990 | Cessna 172G | Rio Hondo, Texas, United States | - | No injuries | - |
| 28 Mar 1990 | Beechcraft 100 | Uvalde, Texas, United States | - | Serious injuries | - |
| 3 Apr 1990 | Hughes H500C | Houston, Texas, United States | Mark R. Lancaster | No injuries | - |
| 15 Apr 1990 | Hughes 369HS | Junction, Texas, United States | Neveri, Inc. | No injuries | - |
| 16 Apr 1990 | Cessna 152 | Albany, Texas, United States | - | No injuries | - |