Cessna 180A accident near Hillsboro, Oregon, February 27, 1996
On February 27, 1996 at about 4:30 pm local time, a Cessna 180A, registered N9669B, was substantially damaged in an accident near Hillsboro, Oregon (Portland-Hillsboro airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
the failure of the pilot to identify the unsuitable taxi area, and the failure of airport maintenance personnel to properly identify a construction area.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- February 27, 1996 · about 4:30 pm local time
- Place
- Hillsboro, Oregon · Portland-Hillsboro · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 180A · all 180As on the register
- Registration
- N9669B · registry record · serial 32966
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
The pilot reported that after landing he taxied toward the fuel island. Just prior to the island, the left main landing gear rolled into an open manhole and the left wing contacted the surface. Maintenance personnel had removed the manhole cover earlier in the morning and failed to set up warning cones around the area.
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record from the NTSB's investigation tables, in plain English
Pilot
- Certificate: private
- Ratings: multi-engine land; multi-engine sea; single-engine land; single-engine sea
- Flight time: 4,830 hours in all; 100 in this make and model; 30 in the last 90 days
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 4,032 hours
- Last inspection: annual inspection, November 10, 1995; 10 hours since
- Maximum gross weight: 2,650 lb
- Seats: 4
- Landing gear: fixed
- Engine: Continental O-470 (piston); 0 hours total
The flight
- Departed from: 7S5 Independence OR at 4:00 pm
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 360° at 5 knots
- Visibility: 50 statute miles
- Sky: clear
- Temperature: 36°F (2°C), dew point 23°F (-5°C)
- Altimeter: 29.00 inHg
- Observation at 4:47 pm from HIO
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.
Other NTSB records under N9669B the same tail number, which may have belonged to a different aircraft at the time
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.