Artic S-1B2 N71AT
21 December 1991 · Lysite, Wyoming, United States · Minor injuries
Summary
On 21 December 1991 at about 15:30 local time, a Artic S-1B2 registered N71AT, operated by Sky Aviation Corporation, was involved in an accident near Lysite, Wyoming, United States. 2 people were 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 15:30
- Classification
- Accident
- Location
- Lysite, Wyoming, United States
- Coordinates
- 43.2510, -107.7109
- Aircraft
- Artic S-1B2
- Registration
- N71AT
- Category
- Airplane
- Engines
- 1
- Operator
- Sky Aviation Corporation
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Aerial Observation
- Phase of flight
- Not recorded
- Route
- Worland → Unknown
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- SEA92LA030
People
1 person had minor injuries.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 0 | 1 | 1 |
Probable cause
THE PILOT'S FAILURE TO MAINTAIN CLEARANCE WITH TERRAIN. FACTORS CONTRIBUTING TO THE ACCIDENT WERE RISING TERRAIN, DOWNDRAFTS, AND THE PILOT'S INADEQUATE COMPENSATION FOR WIND CONDITIONS.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE PILOT REPORTED THAT WHILE ON AN AERIAL SURVEY OF GAME THE AIRCRAFT ENCOUNTERED A HEADWIND BUT LITTLE TURBULENCE. UPON APPROACHING A RIDGE HE EXECUTED A RIGHT TURN TO REVERSE COURSE DURING WHICH A SEVERE DOWNDRAFT WAS ENCOUNTERED. THE PILOT REPORTED APPLYING FULL POWER AND ATTEMPTING TO ESTABLISH BEST ANGLE OF CLIMB DURING WHICH THE AIRCRAFT IMPACTED THE TERRAIN. THE PILOT REPORTED THE WINDS AT THE ACCIDENT SITE AS 20 KNOTS WITH GUSTS TO 25 KNOTS.
Quoted verbatim from the NTSB record.
Other Artic S-1B2 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 31 Jul 1993 | Artic S-1B2 | Johnson Glacier, Alaska, United States | Flotre, Bert A. | Fatal | 2 |
| 18 Sep 1994 | Artic S-1B2 | Wasilla, Alaska, United States | Coleman, Edward A. | Serious injuries | - |
| 10 Aug 1988 | Artic S-1B2 | Kotzebue, Alaska, United States | - | Fatal | 2 |
| 24 Aug 1988 | Artic S-1B2 | Hartman River, Alaska, United States | Mangiardi, Eugene J. | No injuries | - |
| 12 Oct 1985 | Artic S-1B2 | Anchorage, Alaska, United States | - | No injuries | - |
| 6 Dec 1997 | Artic S-1B2 | Worland, Wyoming, United States | - | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 2 May 1991 | Grumman AA-1B | Douglas, Wyoming, United States | Paul E. Kacak | Fatal | 1 |
| 16 May 1991 | Beechcraft A36 | Rawlins, Wyoming, United States | John L. Ronacher | No injuries | - |
| 25 Jan 1991 | Piper PA-34 | Pinedale, Wyoming, United States | Department of Interior | No injuries | - |
| 22 May 1991 | Piper PA-22 | Laramie, Wyoming, United States | Donald L. Burrows | Minor injuries | - |
| 16 Oct 1991 | Maule M-5-235C | Moran, Wyoming, United States | - | Fatal | 3 |
| 21 May 1991 | Cessna 172P | Alva, Wyoming, United States | Gillette Air Inc | No injuries | - |