- Date
- January 26, 1983, 15:45 local (21:45 UTC)
- Place
- West Chicago, IL
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Takeoff
- Aircraft
- N77HJObryon Mustang II
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19830126001359A
- Case key
- 11976
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
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 home built acft was on its 1st flt after being constructed. The takeoff was initiated on rwy 33 with the wind from 030 deg at 10 KTS. The plt reported that during the takeoff, the right wing lifted, but the left wing would not come up. When control became difficult, he aborted the takeoff; however, the acft veered off the left side of the rwy. The left wing of the acft hit posts & was damaged. An investigation revealed that the trailing edge of the right wing had been 'washed down' about 1 inch during construction. This provided it with a considerably greater angle of attack.
Aircraft
- Registration
- N77HJ
- Reported as
- Obryon Mustang II
- Category
- Airplane, amateur-built
- Serial number
- 928
- Engine
- Lycoming O-360-A3A, reciprocating
- Damage
- Substantial damage
- Flight
- Part 91
- Registered owner
- Harold G. Obryon
- Airworthiness certificate
- Special, Experimental (Special)
- Last inspection
- Unknown · January 24, 1984 · 0 hours before
- Airport
- DPA · Dupage County, runway 33, 3,400 × 100 ft, asphalt
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
- 48
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Seat
- Left
- Flight hours
- 985 total · 9 in the last 90 days
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 30° at 10 knots
- Visibility
- 12 statute miles
- Lowest ceiling
- 12,000 ft overcast
- Temperature
- 25 °F, dew point 10 °F
- Altimeter
- 30.00 inHg
- Observed at
- DPA
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.