Robinson R-22HP N9021M
18 January 1989 · Ronkonkoma, New York, United States · Serious injuries
Summary
On 18 January 1989 at about 18:04 local time, a Robinson R-22HP registered N9021M, operated by American Helicopters Inc, was involved in an accident near Ronkonkoma, New York, United States. One person was on board and one was seriously 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 18:04
- Classification
- Accident
- Location
- Ronkonkoma, New York, United States
- Nearest airport
- Long Island MacArthur (ISP)
- Coordinates
- 40.8002, -73.1202
- Aircraft
- Robinson R-22HP
- Registration
- N9021M
- Category
- Helicopter
- Engines
- 1
- Operator
- American Helicopters Inc
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Business
- Phase of flight
- Not recorded
- Route
- Unknown → Shirley
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- NYC89LA068
People
1 person was seriously injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 0 | 1 | 0 | 0 |
Probable cause
THE PILOT'S IMPROPER OPERATION OF THE ROTORCRAFT FLIGHT CONTROLS AND A RESULTING LOW ROTOR RPM CONDITION.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE ROBINSON R-22HP TOOK OFF AND CRASHED ON THE AIRPORT IMMEDIATELY AFTER GETTING AIRBORNE. THERE WERE NO WITNESSES AND THE PILOT SAID HE DID NOT REMEMBER WHAT HAPPENED. THE MAIN ROTOR EXHIBITED SIGNS OF LOW ROTOR RPM AND THE FUSELAGE SHOWED SIGNS OF HIGH VERTICAL IMPACT FORCES. THE MAIN ROTOR HEAD AND THE FREEWHEELING CLUTCH WERE BOTH FREE TO ROTATE. NO EVIDENCE OF CONTROL MALFUNCTION WAS FOUND.
Quoted verbatim from the NTSB record.
Other Robinson R-22HP accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 17 Aug 1990 | Robinson R-22HP | Islip, New York, United States | Eastern Helicoters | No injuries | - |
| 25 Jul 1986 | Robinson R-22HP | Grayling, Michigan, United States | - | No injuries | - |
| 21 Dec 1985 | Robinson R-22HP | Pflugerville, Texas, United States | Charles M. Green | No injuries | - |
| 1 May 1982 | Robinson R-22HP | North Las Vegas, Nevada, United States | R22 Limited | Minor injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 2 Jul 1989 | Cessna 185 | Fishers, New York, United States | Paul V. Hyland | No injuries | - |
| 3 Jul 1989 | Cessna 152 | Plattsburgh, New York, United States | - | No injuries | - |
| 9 Jul 1989 | Cessna 177A | Akron, New York, United States | - | Minor injuries | - |
| 2 Jul 1989 | Cessna 152 | Oneida, New York, United States | BFB Associates | No injuries | - |
| 14 Jul 1989 | Piper PA-28-160 | Hammond, New York, United States | - | Minor injuries | - |
| 14 Jul 1989 | Cessna 182A | Lancaster, New York, United States | - | Minor injuries | - |