- Date
- September 13, 1992, 20:00 local (Sep 14, 1992, 04:00 UTC)
- Place
- Upper Yantarni, AK
- Injuries
- 2 minor
- Damage
- Substantial damage
- Phase of flight
- Approach
- Aircraft
- N2577MPiper PA-12-150
- Weather
- Visual (VMC) · Day
- Status
- Completed · report May 26, 1993
- Report
- Approved by Office Director
- NTSB office
- Alaska Regional Office
- FAA report
- 19920913036649A
- Case key
- 5811
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Probable cause
Pilot in command inadvertant encounter with aerodynamic stall during low level approach turn. Factor affecting the accident was: the pilot's approach procedure/technique to fly VFR approach pattern at 50 feet AGL.
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Analysis
The pilot of a wheel equipped PA12 encountered an approach turn stall while maneuvering for landing from a 50 foot pattern altitude at remote gravel bar location on Alaska peninusla. The pilot and pax recvd minor injuries and acft was substantially damaged.
Aircraft
- Registration
- N2577M
- Reported as
- Piper PA-12-150
- Category
- Airplane
- Serial number
- 12-1051
- Airframe hours
- 5,642
- Engine
- Lycoming O-320-A2B, 150 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Operator
- Floyd M. Krupinski
- Registered owner
- Floyd M. Krupinski
- Airworthiness certificate
- Standard, Normal
- Last inspection
- Annual · September 2, 1992 · 32 hours before
- Departed
- Nakalilok, AK
- Destination
- Yantarni Creek, AK
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 47
- Certificate
- Commercial
- Airplane ratings
- Single-engine land, Multi-engine land, Single-engine sea
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Seat
- Front
- Flight hours
- 6,680 total · 350 in this make and model · 4,100 as pilot in command · 40 in the last 90 days · 32 in the last 30 days · 5 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 10° at 5 knots
- Visibility
- 30 statute miles
- Temperature
- 50 °F
- Altimeter
- 30.00 inHg
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.
Other investigations on N2577M · 2
Matched to the same aircraft by N-number and date.