Raven AX-9 N57139
2 November 1992 · Green River, Utah, United States · Serious injuries
Summary
On 2 November 1992 at about 16:00 local time, a Raven AX-9 registered N57139, operated by Markle, John R., was involved in an accident near Green River, Utah, United States. 5 people were on board and 4 were seriously injured, 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 16:00
- Classification
- Accident
- Location
- Green River, Utah, United States
- Coordinates
- 38.9798, -110.6510
- Aircraft
- Raven AX-9
- Registration
- N57139
- Category
- Balloon
- Operator
- Markle, John R.
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- SEA93LA017
People
4 people were seriously injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 5 | 0 | 4 | 1 | 0 |
Probable cause
THE INADEQUATE PREFLT PLANNING/PREPARATION BY THE PILOT RESULTING IN INFLT ENCOUNTER WITH WEATHER AND HIS FAILURE TO MAINTAIN PROPER RATE OF DESCENT DURING AN EMERGENCY FORCED LANDING. A FACTOR RELATING TO THE ACCIDENT WAS THE TURBULENT WEATHER CONDITIONS.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE PILOT TOOK OFF FROM A REMOTE SITE WITHOUT OBTAINING A WEATHER BRIEFING, ENCOUNTERED FCST TURB DURING THE INITIAL CLIMB, WHICH PITCHED THE BALLOON INTO AN UNUSUAL ATTITUDE AND PARTIALLY DEFLATED THE ENVELOPE. THE PILOT INITIATED AN EMERGENCY FORCED LANDING, ACTIVATED THE DEFLATION LINE AT 40 FT. AGL, AND THE BASKET IMPACTED THE GROUND AT 400 TO 600 FPM. AN ADVISORY WAS IN EFFECT FOR OCNL MDT TO ISOLD SVR TURB.
Quoted verbatim from the NTSB record.
Other Raven AX-9 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 2 Sep 1985 | Raven AX-9 | Blaine, Minnesota, United States | - | Serious injuries | - |
| 15 Mar 1983 | Raven AX-9 | Mesa, Arizona, United States | - | Serious injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 28 Jun 1992 | Bell 222UT | Scipio, Utah, United States | Air Methods Corporation | No injuries | - |
| 21 Nov 1992 | Cessna A152 | Tremonton, Utah, United States | Hill AFB Aero Club | No injuries | - |
| 30 May 1992 | Cessna 152 | Mt. Pleasant, Utah, United States | LEE Rowser | No injuries | - |
| 7 Jun 1992 | Beechcraft V35B | Panguitch, Utah, United States | Lane, Jeffrey G. | Minor injuries | - |
| 11 Jul 1992 | Cessna 172L | Delta, Utah, United States | Carlson, Donald K. | No injuries | - |
| 21 Jul 1992 | Cessna 152 | Provo, Utah, United States | High Valley Aviation, Inc. | No injuries | - |