Piper PA-18-150 N4714Y
18 August 1992 · MacKey Lake, Alaska, United States · Serious injuries
Summary
On 18 August 1992 at about 18:02 local time, a Piper PA-18-150 registered N4714Y, operated by Boyson, Ronald, was involved in an accident near MacKey Lake, Alaska, United States. 2 people were on board and 2 were 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 18:02
- Classification
- Accident
- Location
- MacKey Lake, Alaska, United States
- Coordinates
- 60.3204, -150.7904
- Aircraft
- Piper PA-18-150
- Registration
- N4714Y
- Category
- Airplane
- Engines
- 1
- Operator
- Boyson, Ronald
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- ANC92LA133
People
2 people were seriously injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 2 | 0 | 0 |
Probable cause
A LOSS OF POWER FOR UNDETERMINED REASONS. A FACTOR WHICH CONTRIBUTED TO THE SEVERITY OF THE ACCIDENT WAS THE PILOT INADVERTENTLY STALLED THE AIRPLANE.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE PILOT REPORTED THAT THE ENGINE GRADUALLY LOST POWER (AS IF SOMEONE WAS SLOWLY PULLING THE POWER OFF) DURING A CLIMB FROM TAKEOFF AT ABOUT 300 FEET ABOVE THE GROUND. A WITNESS (PILOT) ON THE GROUND INITIALLY OBSERVED THE AIRPLANE IN AN ATTITUDE WHICH RESEMBLED A LANDING FLARE. THE AIRPLANE THEN PITCHED FORWARD AND DESCENDED VERTICALLY TOWARD THE GROUND. THE PILOT SAID THAT HE MAY HAVE UNINTENTIONALLY STALLED THE AIRPLANE SUBSEQUENT TO THE LOSS OF ENGINE POWER. THE AIRPLANE CRASHED IN A SMALL UNNAMED LAKE, FLIPPED ONTO ITS BACK, AND REMAINED IN THIS STATE FOR THE NEXT 48 HOURS. A POST ACCIDENT EXTERNAL AND INTERNAL EXAMINATION OF THE FUEL SYSTEM HARDWRAE AND THE POWERPLANT ASSEMBLY DID NOT REVEAL FAILURES OR ANOMALIES THAT WOULD INDICATE AN INOPERATIVE CONDITION. LIKEWISE, THE SOURCE FROM WHICH THE PLANE WAS FUELED WAS UNREMARKABLE. THE PILOT DID NOT POSSESS A SINGLE ENGINE SEA RATING AND HAD NOT COMPLETED A BIENNIAL FLIGHT REVIEW OR EQUIVALENT IN 40 MONTHS.
Quoted verbatim from the NTSB record.
Other Piper PA-18 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 21 Mar 1992 | Piper PA-18 | Shageluk, Alaska, United States | Deacon, Nelson H. | No injuries | - |
| 22 Apr 1992 | Piper PA-18-150 | St. Augustine, Florida, United States | Michael L. King | Fatal | 1 |
| 20 Apr 1992 | Piper PA-18-150 | Big Lake, Alaska, United States | Kastner, Kenneth D. | No injuries | - |
| 19 Jul 1992 | Piper PA-18 | Ft Walton Beach, Florida, United States | Boomer Aviation, Inc. | Minor injuries | - |
| 13 May 1992 | Piper PA-18-150 | Soccastee, South Carolina, United States | Sky Signs, Inc. | No injuries | - |
| 5 Aug 1992 | Piper PA-18-150 | Littleton, Colorado, United States | Banner Advertising | Minor injuries | - |
All 2,950 records for this type
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 13 Feb 1992 | Piper PA-18A-150 | Anchorage, Alaska, United States | John Clark | Minor injuries | - |
| 12 Feb 1992 | Richard C Ballow KITFOX 1 | Valdez, Alaska, United States | Jones, William Marshall | No injuries | - |
| 17 Feb 1992 | Aeronca 7AC | Sitka, Alaska, United States | Diment, Archie G. | No injuries | - |
| 9 Oct 1992 | Champion 7EC | Chugiak, Alaska, United States | - | Fatal | 1 |
| 14 Feb 1992 | Cessna 180 | Shishmaref, Alaska, United States | Sheldon, Robert J. | Serious injuries | - |
| 19 Feb 1992 | Cessna 185F | Pelican, Alaska, United States | Bellair, Inc. | Minor injuries | - |