Cessna T-337G-P accident near Laredo, Texas, October 22, 1989
On October 22, 1989 at about 2:38 am local time, a Cessna T-337G-P, registered N21GC, was substantially damaged in an accident near Laredo, Texas (Laredo Int'L airport). It was a business flight under general aviation rules (Part 91). No one was hurt; 4 people were on board or involved. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
DOUBLE ENGINE FAILURE DUE TO FUEL EXHAUSTION. THE FUEL EXHAUSTION WAS CAUSED BY INCORRECT INFLIGHT FUEL CONSUMPTION CALCULATIONS AND ONE INACCURATE FUEL QUANITY GAUGE. CONTRIBUTING TO THE ACCIDENT WAS THE DARK NIGHT RESTRICTION TO VISIBILITY.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- October 22, 1989 · about 2:38 am local time
- Place
- Laredo, Texas · Laredo Int'L
- Type
- Accident
- Injuries
- No one was hurt; 4 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna T-337G-P · all T-337G-Ps on the register
- Registration
- N21GC · registry record · serial P3370130
- Damage
- Substantial damage
- Flight
- Business flight · general aviation rules (Part 91)
The factual record from the NTSB's investigation tables, in plain English
Pilot
- Certificate: airline transport pilot, commercial pilot, military
- Ratings: multi-engine land; single-engine land; instructor: airplane multi-engine; instructor: airplane single-engine; instructor: instrument airplane; instrument: airplane
- Flight time: 4,398 hours in all; 36 in this make and model; 70 in the last 90 days; 23 in the last 30 days; 3,872 as pilot in command; 3,142 on instruments
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: rgt
The aircraft
- Last inspection: annual inspection, November 9, 1988; 141 hours since
- Maximum gross weight: 4,700 lb
- Seats: 4
- Landing gear: retractable
- Engine: Continental TSIO-360-C (piston); 0 hours total
The flight
- Departed from: OLS Nogales AZ at 11:00 pm
- Destination: LRD
- Flight plan: none
- Runway 0
- A second pilot was aboard
Weather at the time
- Light: night, dark
- Wind: from 120° at 7 knots
- Visibility: 15 statute miles
- Sky: scat at 25,000 ft
- Temperature: 72°F (22°C), dew point 45°F (7°C)
- Altimeter: 30.00 inHg
- Observation at 2:39 am from LRD, 5 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 2 | |||
| Passengers | 2 |
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.