Robinson R22 BETA N2360K
5 May 1991 · Ann Arbor, Michigan, United States · Minor injuries
Summary
On 5 May 1991 at about 21:38 local time, a Robinson R22 BETA registered N2360K, operated by Lutz, Robert A, was involved in an accident near Ann Arbor, Michigan, United States. One person was on board and one had minor injuries. 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 21:38
- Classification
- Accident
- Location
- Ann Arbor, Michigan, United States
- Nearest airport
- Ann Arbor
- Coordinates
- 42.2696, -83.7292
- Aircraft
- Robinson R22 BETA
- Registration
- N2360K
- Category
- Helicopter
- Engines
- 1
- Operator
- Lutz, Robert A
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Route
- Ann Arbor → Unknown
- Aircraft damage
- Substantial
- Weather
- IMC
- Light
- Day
- NTSB number
- CHI91LA146
People
1 person had minor injuries.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 0 | 0 | 1 | 0 |
Probable cause
LOSS OF ENGINE POWER DUE TO CARBURETOR ICE, AND THE PILOT'S FAILURE TO USE CARBURETOR HEAT. FACTORS RELATED TO THE ACCIDENT WERE: CARBURETOR ICING CONDITIONS, AND A FALSE INDICATION FROM THE CARBURETOR AIR TEMPERATURE GAGE.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE PLT RPRTD THAT DURING FLT, HE NOTED RPM FLUCTUATIONS & A WARNING BUZZER. HE ADJUSTED THE THROTTLE TO 100% & NOTED THAT ALL GAGES WERE 'IN THE GREEN.' HE CHECKED THE CARBURETOR (CARB) HEAT GAGE & NOTED IT WAS ONE NEEDLE WIDTH ABOVE THE YELLOW SECTION & THAT THE OUTSIDE AIR TEMP WAS 9 DEG C (48 DEG F). WITH THESE INDCNS, HE DISCOUNTED CARB ICE & DID NOT APPLY CARB HEAT. SUBSEQUENTLY, THE ENG LOST ADDITIONAL POWER BEFORE THE PLT COULD REACH THE RWY. DURING AN EMERG LANDING, THE HELICOPTER ROLLED OVER. AN EXAM & SUBSEQUENT ENG RUN REVEALED NO MECHANICAL ANOMALIES, EXCEPT THAT THE CARB AIR TEMP GAGE WAS INDICATING 4 DEG C ABOVE THE ACTUAL TEMP. TEMP & DEW POINT AT ANN ARBOR WERE 51 & 50 DEG F, RESPECTIVELY. ACCORDING TO CARB ICE CHARTS, CONDITIONS WERE CONDUCIVE TO CARB ICE.
Quoted verbatim from the NTSB record.
Other Robinson R22 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 6 Apr 1991 | Robinson R22 BETA | Kent, Washington, United States | Classic Helicopter | No injuries | - |
| 1 Aug 1991 | Robinson R22 BETA | Wylie, Texas, United States | Heli TEX Inc. | No injuries | - |
| 17 Sep 1991 | Robinson R22 | Lewisville, Texas, United States | Airswell, Inc. | Minor injuries | - |
| 9 Jan 1991 | Robinson R22 | Scottsdale, Arizona, United States | Arizona Wing & Rotor, Inc | No injuries | - |
| 20 Apr 1991 | Robinson R22-BETA | Phoenix, Arizona, United States | Avcon, Inc. | Serious injuries | - |
| 17 Nov 1991 | Robinson R22 MARINER | Ocala, Florida, United States | Drax Corp. | Minor injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 25 Apr 1991 | Cessna 172 | Detroit, Michigan, United States | Eximous Flying Club, Inc. | No injuries | - |
| 10 May 1991 | Cessna 182L | Port Huron, Michigan, United States | Douglas H. Mowat | No injuries | - |
| 11 May 1991 | Cessna 152 | Pontiac, Michigan, United States | Kitze Avaition, Inc. | No injuries | - |
| 22 May 1991 | Cessna 177 | New Lothrop, Michigan, United States | Patrick J. Corcoran | No injuries | - |
| 10 Oct 1991 | Cessna 421B | Battle Creek, Michigan, United States | Aviation Specialist, Inc. | No injuries | - |
| 23 May 1991 | Piper PA-30 | Big Rapids, Michigan, United States | Mecosta CTY Pilots Assn. | No injuries | - |