Robinson R22 N9070N
9 May 1990 · Irvine, California, United States · No injuries
Summary
On 9 May 1990 at about 21:50 local time, a Robinson R22 registered N9070N was involved in an accident near Irvine, California, 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 21:50
- Classification
- Accident
- Location
- Irvine, California, United States
- Coordinates
- Not recorded
- Aircraft
- Robinson R22
- Registration
- N9070N
- Category
- Helicopter
- Engines
- 1
- Operator
- Not recorded
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Instructional
- Phase of flight
- Not recorded
- Route
- Santa Ana → Unknown
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- LAX90LA168
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 0 | 0 | 2 |
Probable cause
THE CFI'S FAILURE TO MAINTAIN ROTOR RPM DURING THE PRACTICE AUTOROTATION.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
DURING AN INSTRUCTIONAL LESSON THE CFI DEMONSTRATED AUTOROTATION TO HIS STUDENT. THE CFI INDICATED THAT HE PLANNED TO LAND IN AN ESTABLISHED LANDING ZONE. HOWEVER, UPON RECOGNIZING THE HELICOPTER WOULD NOT REACH THE DESIRED LOCATION THE CFI DECIDED TO STOP THE DESCENT. THE CFI FURTHER REPORTED THAT HE RAISED THE COLLECTIVE WHICH INDUCED A LOW ROTOR RPM SITUATION. THERE WAS INSUFFICIENT ALTITUDE TO RECOVER AND THE HELICOPTER TOUCHED DOWN HARD.
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 | - |
| 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 | - |
| 24 Mar 1990 | Robinson R22 | Phillipsburg, Ohio, United States | M. G. Helicopters | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 15 Apr 1990 | Cessna 180 | Soledad, California, United States | - | No injuries | - |
| 10 Oct 1990 | Cessna 150 | Riverside, California, United States | PAR Flight | No injuries | - |
| 17 Apr 1990 | Piper PA46 | Paso Robles, California, United States | Piper Aircraft Corp. | No injuries | - |
| 7 Oct 1990 | Cessna 182M | Bakersfield, California, United States | - | No injuries | - |
| 1 Apr 1990 | Piper J-3 | Creston, California, United States | - | Minor injuries | - |
| 11 Oct 1990 | Bell 47G4 | Merced, California, United States | John W. Myers | Serious injuries | - |