Cessna 421B accident near Riverdale, Nebraska, July 16, 2022
On July 16, 2022 at about 9:20 pm local time, a 1971 Cessna 421B, registered N21GF, was substantially damaged in an accident during approach (VFR go-around) near Riverdale, Nebraska (Onion Crest Airpark airport). It was a flight of an unrecorded kind under general aviation rules (Part 91). 1 person had minor injuries; 4 others were unhurt. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
A total loss of engine power as a result of fuel exhaustion.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- July 16, 2022 · about 9:20 pm local time
- Place
- Riverdale, Nebraska · Onion Crest Airpark · map
- Type
- Accident
- Injuries
- 1 person had minor injuries; 4 others were unhurt.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 421B, built 1971 · all 421Bs on the register
- Registration
- N21GF · registry record · serial 421B-0209
- Damage
- Substantial damage
- Flight
- Flight of an unrecorded kind · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
The pilot reported that he departed on the estimated 1-hour flight with about 110 gallons of fuel onboard. Upon reaching the destination airport, he elected to perform a go-around. During the go-around the left engine lost total power. The airplane descended into a corn field, resulting in substantial damage to both wings. The second pilot on board reported that, while on final approach for landing, both engines sputtered at about the same time, “like fuel exhaustion.” He estimated the airplane’s total fuel consumption to be about 40 to 45 gallons per hour. He stated that he thought the airplane had about 80 gallons of fuel on board at the time of the accident. A postaccident examination revealed that the fuel selector for the left engine was in the “LEFT MAIN” position and the selector for the right engine was in the “RIGHT MAIN” position. The left main fuel tank (located on the wingtip) separated from the airplane during the impact and was absent of fuel. The right main tank contained about 1 gallon of fuel, the right auxiliary tank contained about 5 gallons of fuel, and the left auxiliary tank and left nacelle tank were absent of fuel. After reconnecting the wiring, fuel quantity indicators were functionally checked with no anomalies noted. During a postaccident engine examination, no mechanical malfunctions or anomalies were found that would have precluded normal operation. The total amount of fuel onboard the airplane before the flight could not be determined; however, given the lack of fuel found in the tanks after the accident and no indications of engine anomalies, it is likely that the loss of engine power was the result of fuel exhaustion.
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
What happened, in order
- Loss of engine power (total) during approach (VFR go-around)
- Fuel starvation during approach (VFR go-around) defining event
The NTSB's findings
- Personnel issues › Task performance › Use of equip/info › Use of equip/system › Pilot
- Aircraft › Fluids/misc hardware › Fluids › Fuel › Fluid level
- Personnel issues › Task performance › Planning/preparation › Fuel planning › Pilot
Pilot
- Certificate: private
- Ratings: multi-engine land; single-engine land; instrument: airplane
- Flight time: 6,310 hours in all; 3,660 in this make and model; 35 in the last 90 days; 15 in the last 30 days; 6,310 as pilot in command
- Last flight review: March 12, 2022
- Medical certificate: Class 3 (with waivers/limitations)
- Seat: left
- Injury: no injuries
Co-pilot
- Certificate: airline transport pilot
- Ratings: multi-engine land; single-engine land; instrument: airplane
- Flight time: 23,900 hours in all; 2,800 in this make and model; 50 in the last 90 days; 20 in the last 30 days; 23,500 as pilot in command
- Last flight review: February 7, 2022
- Medical certificate: Class 2 (with waivers/limitations)
- Seat: rgt
- Injury: no injuries
The aircraft
- Airframe total time: 6,207 hours
- Last inspection: 100-hour inspection, July 1, 2022; 14 hours since
- Maximum gross weight: 7,450 lb
- Seats: 8
- Landing gear: retractable
- Engine 1: Continental Motors GTSIO 520 (piston); 3,911 hours total
- Engine 2: Continental Motors GTSIO 520 (piston); 5,828 hours total
- Operator: Hawkfitz LLC
The flight
- Departed from: KGLD Goodland KS at 9:20 pm
- Flight plan: none
- Runway 17, 3,400 ft by 50 ft
- A second pilot was aboard
Weather at the time
- Light: daylight
- Wind: from 040° at 7 knots
- Visibility: 6 statute miles
- Sky: a few clouds at 4,000 ft
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
- Observation at 5:00 pm from KEAR
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flight crew | 2 | |||
| Passengers | 1 | 2 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
7 documents, released by the NTSB on September 27, 2023. View them here, or download them; the NTSB redacts some personal details before release, and this site shows the NTSB's own titles rather than its file names.
| # | Document | What it is | |
|---|---|---|---|
| 1 | Pilot/operator Aircraft Accident Report, NTSB Form 6120.1 | PDF, 9 pages | View Download |
| 2 | SIC Record of Conversation | PDF, 1 page | View Download |
| 3 | Passenger Information | PDF, 6 pages | View Download |
| 4 | Examination Summary | PDF, 3 pages | View Download |
| 5 | Fuel Receipt | PDF, 1 page | View Download |
| 6 | Photos | PDF, 3 pages | View Download |
| 7 | Release of Aircraft Wreckage, NTSB Form 6120.15 | PDF, 1 page | View Download |
The same docket at the NTSB · documents without a copy here are fetched from the NTSB when you open them.
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.
