Grumman-Schweizer G-164A accident near Joes, Colorado, May 14, 1995
On May 14, 1995 at about 5:00 pm local time, a Grumman-Schweizer G-164A, registered N9506, was substantially damaged in an accident near Joes, Colorado. It was an aerial application (crop spraying) flight under agricultural flying rules (Part 137). 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
A TOTAL LOSS OF POWER DUE TO FUEL EXHAUSTION. FACTORS WERE: A MALFUNCTION IN THE FUEL MEASURING SYSTEM, THE PILOT'S FAILURE TO PERFORM FUEL CONSUMPTION CALCULATIONS, AND SOFT AND UNSUITABLE TERRAIN FOR A FORCED LANDING.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- May 14, 1995 · about 5:00 pm local time
- Place
- Joes, Colorado · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Grumman-Schweizer G-164A
- Registration
- N9506 · no longer on the register · serial 1178
- Damage
- Substantial damage
- Flight
- Aerial application (crop spraying) flight · agricultural flying rules (Part 137)
The NTSB's narrative final · quoted from the NTSB record
WHILE PERFORMING AN AERIAL APPLICATION FLIGHT, A TOTAL LOSS OF POWER OCCURRED. THE PILOT CONDUCTED A FORCED LANDING IN A SOFT FIELD. DURING LANDING ROLL, THE AIRCRAFT NOSED OVER. EXAMINATION OF THE AIRCRAFT PROVIDED EVIDENCE OF FUEL EXHAUSTION. EXAMINATION OF THE FUEL SYSTEM PROVIDED EVIDENCE THAT THE FUEL GAUGE INDICATED 15 GALLONS WHEN THE TANKS WERE EMPTY.
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: single-engine land
- Flight time: 8,900 hours in all; 2,566 in this make and model; 240 in the last 90 days; 62 in the last 30 days
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: frt
The aircraft
- Airframe total time: 5,311 hours
- Last inspection: annual inspection, April 5, 1995; 128 hours since
- Maximum gross weight: 4,500 lb
- Seats: 1
- Landing gear: fixed
- Engine: P&W R-1340 (piston); 0 hours total
The flight
- Departed from: NONE CO at 3:40 pm
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 140° at 3 knots
- Visibility: 10 statute miles
- Sky: overcast at 2,000 ft; not recorded
- Temperature: 63°F (17°C), dew point 0°F (-18°C)
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.
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.