American AA-5B N4520V
21 March 1983 · Heber City, Utah, United States · No injuries
Summary
On 21 March 1983 at about 14:38 local time, a American AA-5B registered N4520V, operated by Mercury Aircourier Service, was involved in an accident near Heber City, Utah, United States. One person was on board and nobody was injured. The aircraft was substantially damaged. No probable cause statement is available for this record.
The record
- Date
- at 14:38
- Classification
- Accident
- Location
- Heber City, Utah, United States
- Coordinates
- 40.4305, -111.1902
- Aircraft
- American AA-5B
- Registration
- N4520V
- Category
- Airplane
- Engines
- 1
- Operator
- Mercury Aircourier Service
- Operating rule
- Part 135: Air Taxi & Commuter
- Purpose of flight
- Unknown
- Phase of flight
- Not recorded
- Route
- Heber City → Duschesne
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- DEN83LA082
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 0 | 0 | 0 | 1 |
Probable cause
The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.
Nothing about the cause is stated here that is not in the source record.
Read the full NTSB narrative
AFTER TAKING OFF AT HEBER CITY, UT, THE PLT TURNED TO A 090 DEG HEADING & BEGAN A CLIMB WITH FULL THROTTLE, MIXTURE FULL RICH, 80 TO 90 KIAS & APRX 500 FPM RATE OF CLIMB. AT APRX 6500 FT MSL, HE ALTERED THE COURSE TO 110 TO 115 DEG TO PROVIDE BETTER TERRAIN CLEARANCE, OVER A SLIGHT VALLEY FORMED BY CREEK DRAINAGE. AT THAT POINT, THE CLEARANCE WAS REPORTEDLY ABOUT 1000 FT. AS THE CLIMB CONTINUED, THE PLT NOTICED THAT THE TERRAIN WAS GRADUALLY GETTING CLOSER. AS HE NEARED THE TOP, HE SUDDENLY REALIZED THAT THE ACFT MIGHT NOT BE ABLE TO MAKE IT OVER. A 180 DEG TURN WAS STARTED. HOWEVER, AS A LEFT BANK WAS ESTABLISHED FOR THE TURN, THE ACFT FELT MUSHY & STARTED TO LOSE ALT RAPIDLY. THE PLT ROLLED THE WINGS LEVEL & PULLED BACK ON THE YOKE WHEN GROUND CONTACT WAS POSSIBLE. HOWEVER, THE DESCENT CONTINUED & THE ACFT CRASHED ON A TREELESS, SNOW CVRD SLOPE AT 9300 FT. THE PLT SUGGESTED CARBON MONOXIDE MIGHT EXPLAIN HIS INDECISIVENESS, BUT AN EXAM OF THE ENG & EXHAUST SYS REVEALED NO PREIMPACT MALFUNCTION OR FAILURE.
Quoted verbatim from the NTSB record.
Other American AA-5B accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 24 Oct 1982 | American AA-5B | 3 1/2 Nm Ene Di, Oklahoma, United States | WM. Mark McCorkle | Fatal | 1 |
| 9 Oct 1988 | American AA-5B | Wrightstown, New Jersey, United States | Waldo S.steen | Serious injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 6 Jul 1983 | Cessna 182C | Salt Lake City, Utah, United States | - | Minor injuries | - |
| 7 Jul 1983 | Cessna 150 | Heber City, Utah, United States | - | Minor injuries | - |
| 10 Jul 1983 | Cessna 188B | Hooper, Utah, United States | Amsel Corporation | Minor injuries | - |
| 22 Jul 1983 | Cessna U206E | Bryce Canyon, Utah, United States | - | No injuries | - |
| 4 Aug 1983 | Helio COURIER H-295 | Salt Lake City, Utah, United States | - | No injuries | - |
| 13 Aug 1983 | Piper PA-28RT-201T | Vernal, Utah, United States | - | No injuries | - |