Cessna 340A accident near Englewood, Colorado, May 25, 1985
On May 25, 1985, a Cessna 340A, registered N111SC, was substantially damaged in an accident near Englewood, Colorado (Contennial airport). It was an instructional flight under general aviation rules (Part 91). No one was hurt; 2 people were on board or involved. 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 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- May 25, 1985
- Place
- Englewood, Colorado · Contennial · map
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 340A · all 340As on the register
- Registration
- N111SC · no longer on the register · serial C340A0335
- Damage
- Substantial damage
- Flight
- Instructional flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
ON MAY 24, 1985, A CESSNA 340, LANDED GEAR UP OFF THE RUNWAY AT CONTENNIAL ARPT, ENGLEWOOD, CO. THE SINGLE ENG ILS APCH AND 2 ENG MISSED APCH WAS PLANNED. THE INSTRUCTOR SIMULATED THE LOSS OF THE RIGHT ENG AT THE OUTER MARKER BY TURNING OFF THE FUEL SUPPLY. UPON GOING MISSED APCH THE ACFT WOULD NOT CLIMB OR ACCELERATE. A FORCED LANDING WAS MAKE. THE PROPELLERS INDICATED THE LEFT ENG WAS DEVELOPING HIGH POWER AND THE RIGHT ENGG WAS DEVELOPING LITTLE OR NO POWER. EVIDENCE SUGGESTS THE FLIGHT INSTRUCTOR INADVERTENTLY SHUT DOWN THE RIGHT ENG. THERE WERE NO INJURIES.
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: flight instructor, commercial pilot
- Ratings: multi-engine land; single-engine land; instructor: airplane multi-engine; instructor: airplane single-engine
- Flight time: 850 hours in all; 64 in this make and model; 84 in the last 90 days
- Medical certificate: Class 1 (valid medical--no waivers/lim.)
- Seat: rgt
The aircraft
- Airframe total time: 2,028 hours
- Last inspection: 100-hour inspection, September 18, 1984; 88 hours since
- Maximum gross weight: 2,800 lb
- Seats: 6
- Landing gear: retractable
- Engine: Continental TSIO-520 (piston); 0 hours total
The flight
- Departed from: APA Englewood CO at 11:20 pm
- Flight plan: none
- Runway 34R, 8,500 ft by 101 ft
- A second pilot was aboard
Weather at the time
- Light: dusk
- Wind: from 320° at 5 knots
- Visibility: 50 statute miles
- Sky: clear
- Temperature: 55°F (13°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 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.
Other NTSB records under N111SC the same tail number, which may have belonged to a different aircraft at the time
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.