Swearingen SA-26AT accident near Winchester, Virginia, March 18, 1994
On March 18, 1994 at about 5:50 am local time, a Swearingen SA-26AT, registered N20PT, was destroyed in an accident near Winchester, Virginia (Winchester Regional airport). It was a positioning flight under general aviation rules (Part 91). 1 person was killed. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
THE PILOT'S DECISION TO OPERATE THE AIRPLANE WITH KNOWN DEFICIENCIES IN THE FUEL QUANTITY MEASURING SYSTEM WHICH RESULTED IN A POWER LOSS DUE TO FUEL STARVATION, FOLLOWED BY IMPROPER EMERGENCY PROCEDURES WHICH RESULTED IN A LOSS OF CONTROL INFLIGHT AND UNCONTROLLED CONTACT WITH THE GROUND. FACTORS WERE THE LACK OF A REQUIREMENT FOR PERIODIC CALIBRATION OF THE FUEL QUANTITY MEASURING SYSTEM FROM THE MANUFACTURER, AND THE ERRATIC AND INACCURATE FUEL QUANTITY MEASURING SYSTEM.
Source: NTSB aviation accident database, copy made November 2, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- March 18, 1994 · about 5:50 am local time · cases in 1994
- Place
- Winchester, Virginia · Winchester Regional · cases near this airport · map
- Type
- Accident
- Injuries
- 1 person was killed.
- Weather
- visual conditions (good weather)
- Aircraft
- Swearingen SA-26AT · all SA-26ATs on the register
- Registration
- N20PT · registry record · serial T26-128
- Damage
- Destroyed
- Flight
- Positioning flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
WHILE ON APP AT NIGHT, IN VMC, THE LEFT ENG LOST PWR DUE TO FUEL STARVATION. THE PROP WAS NOT FEATHERED, THE L/G WAS LEFT DOWN, AND THE A/C DRIFTED LEFT OF CRS, STRUCK TREES, AND THEN THE GND. ONE GAL OF FUEL WAS DRAINED FROM THE RT WING, ENG, & FUEL LINE. NO FUEL WAS FOUND IN THE LT WING, ENG & FUEL LINE. THE CO-PILOT SAID THE FUEL QTY SYS WAS ERRATIC WITH THE LT SIDE MORE ERRATIC, AND THE RT SIDE READING ABOUT 10 GAL MORE THAN THE LT SIDE. TESTING FOUND THE RT SIDE INDICATED ABOUT 45 GAL MORE THAN WAS PRESENT WHILE THE LT SIDE WAS INOP. THERE WAS NO REQUIREMENT FOR PERIODIC RECALIBRAION OF THE FUEL QTY SYSTEM. THE OWNER/PILOT HAD OPERATED THE A/C ON 32 FLTS, OVER 23 HRS, AND REFUELED 23 TIMES USING PARTIAL FILLS, SINCE HE HAD FULL TANKS. THE PILOT WAS CHECKED OUT 17 MONTHS PRIOR AND THE INSTR SAID THE PILOT WAS FINE, HOWEVER, HE WAS CAUTIONED HIM TO ENROLL IN RECURRENT TRAINING. THERE WAS NO RECORD HE DID. THE PILOT HAD RECEIVED AN FAA CHECKRIDE 19 MONTHS PRIOR TO THE ACCIDENT, WHICH HE PASSED.
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: commercial pilot
- Ratings: multi-engine land; single-engine land; instrument: airplane
- Flight time: 3,382 hours in all; 568 in this make and model; 67 in the last 90 days; 30 in the last 30 days; 3,330 as pilot in command
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 5,869 hours
- Last inspection: continuous airworthiness programme, January 16, 1994; 67 hours since
- Maximum gross weight: 10,000 lb
- Seats: 10
- Landing gear: retractable
- Engine: Garrett TPE-331-1-151 (turboprop); 0 hours total
The flight
- Departed from: IAD Washington DC at 5:29 am
- Flight plan: none
- Runway 32, 5,500 ft by 100 ft
Weather at the time
- Light: night, dark
- Wind: from 270° at 5 knots
- Visibility: 10 statute miles
- Sky: not recorded; not recorded
- Temperature: 36°F (2°C), dew point 12°F (-11°C)
- Altimeter: 29.00 inHg
- Observation at 5:45 am from W16
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.
Connections how this case links to the rest of the register
- N20PT on the register today · the tail number may have moved to another aircraft since
- Swearingen SA-26 9 registered today · the model family and its accident history
- Swearingen 88 aircraft on the register
- Engine: Garrett TPE-331-1-151 7 aircraft carry this series today · as the NTSB recorded it
- First Air Field · nearest airport
- Washington Dulles International · departed from
- Accidents and incidents in Virginia 1,361 since 1982 · 228 in the last ten years
- Virginia 5,973 aircraft registered
The whole map of how records connect · these connections as data: /graph/accident/NYC94FA064.json.
The bigger picture in Aviation Analytics: accidents over time since 1982, by model, by phase of flight and conditions, by place and on the map.
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 does not name anyone involved, its policy at this time. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.