- Date
- September 26, 1987, 16:00 local (20:00 UTC)
- Place
- Irwin, PA
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Taxi
- Aircraft
- N9772UGrumman AA-5A
- Weather
- Visual (VMC) · Day
- Status
- Completed · report May 26, 1989
- Report
- Approved by Office Director
- FAA report
- 19870926057429A
- Case key
- 30741
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
During taxi operation, the pilot lost directional control of the aircraft and it struck a tree stump which was located to the side of the runway. The aircraft then continued to roll about 500 feet off the rwy where it came to rest with substantial damage.
Aircraft
- Registration
- N9772U
- Reported as
- Grumman AA-5A
- Category
- Airplane
- Serial number
- AA5A0172
- Engine
- Lycoming O-320-E2G, 150 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Operator
- Robert D. Milligan
- Registered owner
- Robert D Milligan
- Airworthiness certificate
- Standard, Normal
- Airport
- 31D · Inter County, runway 9, 1,880 × 130 ft, grass/turf
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
- 52
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Medical
- Class 3, Expired
- Flight hours
- 350 total
Weather
- Conditions
- Visual (VMC) · Day
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.