Erco 415-C accident near Sand Springs, Oklahoma, May 23, 1982
On May 23, 1982 at about 5:45 pm local time, a Erco 415-C, registered N99129, was substantially damaged in an accident near Sand Springs, Oklahoma (Eagles Nest airport). It was a personal flight under general aviation rules (Part 91). 2 people had minor injuries. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.
Source: NTSB aviation accident database, copy made October 12, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- May 23, 1982 · about 5:45 pm local time · cases in 1982
- Place
- Sand Springs, Oklahoma · Eagles Nest · cases near this airport · map
- Type
- Accident
- Injuries
- 2 people had minor injuries.
- Weather
- visual conditions (good weather)
- Aircraft
- Erco 415-C · all 415-Cs on the register
- Registration
- N99129 · registry record · serial 1752
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE PILOT STATED THAT ON HIS SECOND APPROACH FOR A TOUCH AND GO LANDING, THE AIRCRAFT WAS A LITTLE HIGH ON FINAL. HE REDUCED POWER TO COMPLETE A SHORT FIELD LANDING ON THE SOD STRIP. THE AIRCRAFT LANDED MODERATELY HARD IN A FLAT ATTITUDE AND THE NOSE GEAR AXLE SHEARED OFF. THE NOSE GEAR THEN DUG INTO THE GROUND AND THE AIRCRAFT NOSED OVER.
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: single-engine land; instructor: airplane single-engine
- Flight time: 700 hours in all; 110 in this make and model; 8 in the last 90 days
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: unk
The aircraft
- Airframe total time: 1,915 hours
- Last inspection: inspection type not recorded; 0 hours since
- Maximum gross weight: 1,420 lb
- Seats: 2
- Landing gear: fixed
- Engine: Continental C-85 (piston); 0 hours total
The flight
- Departed from: 6F3 Sand Springs OK at 12:30 pm
- Destination: 6F3 Sand Springs OK
- Flight plan: none
- Runway 17, 3,000 ft by 100 ft
Weather at the time
- Light: daylight
- Wind: from 090° at 5 knots
- Visibility: 15 statute miles
- Sky: not recorded; scat at 25,000 ft
- Temperature: 181°F (83°C), dew point 0°F (-18°C)
- Altimeter: 30.00 inHg
- Observation at 12:45 pm
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 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
- N99129 on the register today · the tail number may have moved to another aircraft since
- Erco 415 12 registered today · the model family and its accident history
- Erco 12 aircraft on the register
- Engine: Continental C-85 4,671 aircraft carry this series today · as the NTSB recorded it
- Accidents and incidents in Oklahoma 1,299 since 1982 · 180 in the last ten years
- Oklahoma 5,650 aircraft registered
The whole map of how records connect · these connections as data: /graph/accident/FTW82DA191.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.