Robinson R22 N9017S
27 July 1990 · Paducah, Kentucky, United States · No injuries
Summary
On 27 July 1990 at about 19:30 local time, a Robinson R22 registered N9017S, operated by Byrne, Michael T., was involved in an accident near Paducah, Kentucky, United States. 2 people were on board and nobody was injured. 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 19:30
- Classification
- Accident
- Location
- Paducah, Kentucky, United States
- Coordinates
- 37.0107, -88.5790
- Aircraft
- Robinson R22
- Registration
- N9017S
- Category
- Helicopter
- Engines
- 1
- Operator
- Byrne, Michael T.
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- BFO90LA065
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 0 | 0 | 2 |
Probable cause
THE LOSS OF TAIL ROTOR THRUST DUE TO IMPROPER PART INSTALLATION.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE HELICOPTER IMPACTED TO THE GROUND AFTER A LOSS OF TAIL ROTOR THRUST DURING AN ATTEMPTED TAKEOFF. INVESTIGATION REVEALED THE INTERMEDIATE FLEX PLATE AND TWO CLUTCH YOKES AND FAILED. A METALLURGICAL EXAMINATION REVEALED THAT THE WASHERS IN ONE OF THE FASTENER JOINTS WERE MISPLACED. A WARNING IN THE MANUFACTURER'S MANUAL STATES: 'A559 NICKEL-PLATED RADIUSED WASHERS ARE REQUIRED ON EACH SIDE OF THE A193 FLEXPLATES OR FRETTING FAILURE MAY OCCUR WITHIN A FEW HOURS.' RECORDS INDICATE THE MOST RECENT ANNUAL INSPECTION WAS SIGNED OFF ON OCTOBER 19, 1989, AND THE AIRCRAFT HAD ACCUMULATED 119 HOURS SINCE THAT TIME. THE HELICOPTER HAD UNDERGONE A PRE-PURCHASE INSPECTION ABOUT ONE MONTH PRIOR TO THE ACCIDENT.
Quoted verbatim from the NTSB record.
Other Robinson R22 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 29 Apr 1990 | Robinson R22 | Mammoth Lakes, California, United States | - | Minor injuries | - |
| 9 May 1990 | Robinson R22 | Irvine, California, United States | - | No injuries | - |
| 30 May 1990 | Robinson R22 | Corona, California, United States | - | No injuries | - |
| 29 Sep 1990 | Robinson R22 | Albany, Texas, United States | Lange Helicopters, Inc. | Minor injuries | - |
| 23 May 1990 | Robinson R22 BETA | Griffin, Georgia, United States | Management Counsel, Inc. | Fatal | 1 |
| 9 Aug 1990 | Robinson R22 | Ellensburg, Washington, United States | Skybal Inc. | Serious injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 24 Apr 1990 | Bell 47D1 | Hickman, Kentucky, United States | Dennis M. Hoppe | No injuries | - |
| 21 May 1990 | Piper PA-32R-300 | Frankfort, Kentucky, United States | Burgess & Niple | Fatal | 6 |
| 31 Jan 1990 | Douglas DC-9-31 | Louisville, Kentucky, United States | Eastern Air Lines, Inc | Minor injuries | - |
| 18 Feb 1990 | Cessna 152 | Peewee Valley, Kentucky, United States | Kent State University | No injuries | - |
| 25 Feb 1990 | Cessna 150M | Leitchfield, Kentucky, United States | Michael J. Davis | No injuries | - |
| 5 Aug 1990 | Cessna A152 | Hyden, Kentucky, United States | - | Fatal | 1 |