Robinson R-22B N4034K
17 June 1991 · Phoenix, Arizona, United States · No injuries
Summary
On 17 June 1991 at about 15:00 local time, a Robinson R-22B registered N4034K, operated by Arizona Wing and Rotor, Inc, was involved in an accident near Phoenix, Arizona, United States. 2 people were on board and nobody was 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 15:00
- Classification
- Accident
- Location
- Phoenix, Arizona, United States
- Coordinates
- 33.6097, -111.8894
- Aircraft
- Robinson R-22B
- Registration
- N4034K
- Category
- Helicopter
- Engines
- 1
- Operator
- Arizona Wing and Rotor, Inc
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Instructional
- Phase of flight
- Not recorded
- Route
- Scottsdale → Unknown
- Aircraft damage
- Destroyed
- Weather
- VMC
- Light
- Day
- NTSB number
- LAX91LA264
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 0 | 0 | 2 |
Probable cause
THE FAILURE OF THE STUDENT TO MAINTAIN THE PROPER ROTOR RPM WHILE PERFORMING A PRACTICE AUTOROTATION, AND, THE FAILURE OF THE FLIGHT INSTRUCTOR TO PROPERLY SUPERVISE THE CONDUCT OF THE FLIGHT AND TO TAKE TIMELY CORRECTIVE ACTION.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE INSTRUCTOR SAID THAT THE STUDENT WAS PERFORMING AUTOROTATIONS WITH POWER RECOVERIES. THE INSTRUCTOR STATED THAT DURING THE LAST AUTOROTATION SHE HEARD THE LOW ROTOR SPEED WARNING HORN AND INITIATED A THROTTLE INCREASE TO RECOVER. ACCORDING TO THE INSTRUCTOR, THE ENGINE AND ROTOR FAILED TO RESPOND TO THE THROTTLE INCREASE AND THE HELICOPTER LANDED HARD. A POST CRASH FIRE IGNITED AND CONSUMED THE AIRCRAFT. FAA INSPECTORS EXAMINED THE WRECKAGE AND FOUND NO EVIDENCE OF A PRE IMPACT MECHANICAL MALFUNCTION OR FAILURE IN THE SURVIVING COMPONENTS.
Quoted verbatim from the NTSB record.
Other Robinson R-22B accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 14 Jul 1991 | Robinson R-22B | White Plains, New York, United States | Engle Helicopter, Inc. | No injuries | - |
| 17 Jun 1991 | Robinson R-22B | Corvallis, Oregon, United States | Pacific RIM Aviation | No injuries | - |
| 11 Jan 1991 | Robinson R-22B | Torrance, California, United States | Rolling Hills Aviation, Inc. | Minor injuries | - |
| 27 Sep 1991 | Robinson R-22B | Rio Vista, California, United States | - | Minor injuries | - |
| 24 Jul 1991 | Robinson R 22B | Carmel, Indiana, United States | Clayton W. Farrar | Fatal | 2 |
| 15 Apr 1991 | Robinson R-22B | Piru, California, United States | RAY Klein | Serious injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 28 Jul 1991 | Grumman G-164B | Arizona City, Arizona, United States | Al-Don Dusting SVC., Inc. | Fatal | 1 |
| 31 Jul 1991 | Cessna 177 | Scottsdale, Arizona, United States | Michael P. Turner | Minor injuries | - |
| 31 Jul 1991 | Cessna 172N | Sedona, Arizona, United States | Aerovision, Inc. | No injuries | - |
| 2 Aug 1991 | Eagle DW1 | Poston, Arizona, United States | Michael Morris | Minor injuries | - |
| 4 Aug 1991 | Experimental DSA-1 | Kingman, Arizona, United States | James D. Janson | Minor injuries | - |
| 9 Aug 1991 | Cessna 402C | Grand Canyon, Arizona, United States | Sierra Nevada Airways | No injuries | - |