Penn Yan Airport
Aircraft Accident/Incident Report

Penn Yan, New York 14527
Friday, June 18, 2010 15:05 EDT

NTSB Narrative Summary Released at Completion of Accident

The accident flight was the fourth test flight of the airplane, which was a historical replica of an airplane built in 1910, and it was the first time that the pilot planned to perform a traffic pattern flight around the airport before returning to land. The pilot reported that the airplane's controls were responsive and effective during the first three flights, which had a total duration of about 5 minutes. While the first three flights had been conducted under calm wind conditions, there was a crosswind from the west at the time of the accident. A witness to the accident flight stated that the airplane took off on runway 19, climbed to about 100 feet above ground level, and turned left (downwind) about two-thirds of the way down the runway. The airplane entered a controlled descent and impacted the ground in a right-wing-low attitude. The pilot did not report any mechanical malfunctions or anomalies with the airplane. He stated that the airplane began to descend after beginning the left turn and that he thought that the airplane experienced a decrease in lift as a result of the tailwind. Although an airplane does not lose aerodynamic lift when turning from a crosswind to a tailwind, the pilot may have misperceived the increased ground speed as an increase in airspeed and increased the airplane’s pitch angle to compensate, resulting in a descent due to increased drag.

NTSB Probable Cause Narrative

The pilot’s failure to maintain altitude after takeoff.

Event Information

Type of Event Accident
Event Date 6/18/2010
Event Day of the Week Friday
Time of Event 1505
Event Time Zone Eastern Daylight Time
Event City Penn Yan
Event State NEW YORK
Event Country --
Zipcode of the event site 14527
Event Date Year 2010
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 423813N
Event Location Longitude 0770310W
Event Location Airport Penn Yan Airport
Event Location Nearest Airport ID PEO
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport --
Airport Elevation 990
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 1453 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID PEO
Elevation of weather observation facility 990
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation EDT
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 26
Dew Point at event time (in degress fahrenheit) 13
Wind Direction (degrees magnetic) 230
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 8
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 30.09
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None --
Injury Total Serious 1
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 29936
NTSB Notification Source FAA Eastern ROC
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Jun 20 2012 7:25PM
User who most recently changed record snyg
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N910GC
NTSB Number ERA10LA318
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? No
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Glenn H Curtiss Museum
Aircraft Model Hudson Flyer
Aircraft Series Identifier --
Aircraft Serial Number 1
Certified Max Gross Weight --
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 1
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Conditional
Date of Last Inspection Jun 18 2010 12:00AM
Airframe hours since last inspection 0
Airframe Hours 0
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name Glenn H. Curtiss Museum
Aircraft Owner Street Address 8419 State Route 54
Aircraft Owner City Hammondsport
Aircraft Owner State NY
Aircraft Owner Country USA
Aircraft Owner Zipcode 14840
Operator is an individual? No
Operator Name Glenn H. Curtiss Museum
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 8419 State Route 54
Operator City Hammondsport
Operator State NY
Operator Country USA
Operator Zip code 14840
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation --
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Flight Test
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code PEO
Departure City Penn Yan
Departure State NY
Departure Country USA
Departure Time 1500
Departure Time Zone EDT
Destination Same as Local Flt crash at destination city
Destination Airport Code PEO
Destination City Penn Yan
Destination State NY
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record May 17 2012 2:45PM
User who most recently changed record kenj
Since inspection or accident Time of Accident
Event Location Runway Number and Location 19
Runway Length 5500
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --