Siai-Marchetti FN-333 accident near Lansing, Michigan, July 12, 1984
On July 12, 1984 at about 9:38 pm local time, a Siai-Marchetti FN-333, registered N912NS, was destroyed in an accident near Lansing, Michigan (Capital City airport). It was a personal flight under general aviation rules (Part 91). 1 person was seriously injured. 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
- July 12, 1984 · about 9:38 pm local time
- Place
- Lansing, Michigan · Capital City · map
- Type
- Accident
- Injuries
- 1 person was seriously injured.
- Weather
- visual conditions (good weather)
- Aircraft
- Siai-Marchetti FN-333
- Registration
- N912NS · no longer on the register · serial 105
- Damage
- Destroyed
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE ACFT WAS NOT FLOWN FOR 6 YRS. DURING LAST ANNUAL INSPECTION, 67 HRS OF LABOR, THE BATTERIES (2), SPARK PLUG GASKETS,MAGNETO GASKETS, BATTERY CABLE LUGS AND IMPULSE COUPLING WERE REPLACED. THE FUEL QUANTITY TRANSMITTER, BATTERY, MAGNETOS AND SPARK PLUGS WERE EXAMINED OR REPAIRED. THE ACFT WAS TO BE FLOWN FROM CHICAGO TO LANSING, MI. TWO HRS AFTER DEPARTURE THE ACFT WAS OBSERVED ON FINAL APCH TO CAPITAL CITY ARPT, LANSING, MI. THE ACFT WAS LOW WITH GEAR UP AND DID NOT RESPOND TO THE TWRS RADIO CALLS OR RED LIGHT GUN SIGNAL.THE ACFT TOUCHED DOWN SHORT OF THE RWY IN GRASS, BOUNCED, FLEW ANOTHER 200 FT, TOUCHED DOWN AGAIN 90 DEGREES TO THE FLT PATH AND SLID TO A STOP ON AN ARPT SERVICE ROAD. INVESTIGATION SHOWED THE RADIO SWITCHES SET AND ON, GEAR HANDLE DOWN, GENERATOR CIRCUIT BREAKER TRIPPED, NO FUEL IN THE LEFT TANK, FUEL SELECTOR ON THE LEFT TANK, FUEL LEAKING FROM THE RIGHT TANK, UNDAMAGED PROP, FUEL GAGES BOTH ON ZERO, HYDRAULICALLY OPERATED FLAPS UP, AND THE BATTERIES DISCHARGED. THE GENERATOR/REGULATOR BENCH CHECKED OK.
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; single-engine sea; instructor: airplane single-engine; instrument: airplane
- Flight time: 5,200 hours in all; 40 in the last 90 days; 10 in the last 30 days
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Last inspection: annual inspection, July 6, 1984; 2 hours since
- Maximum gross weight: 3,270 lb
- Seats: 4
- Landing gear: fixed
- Engine: Continental IO-470-P (piston); 0 hours total
The flight
- Departed from: DPA West Chicago IL at 7:25 pm
- Destination: LAN Lansing MI
- Flight plan: VFR
- Runway 6, 5,001 ft by 120 ft
Weather at the time
- Light: daylight
- Wind: from 350° at 9 knots
- Visibility: 15 statute miles
- Sky: broken clouds at 10,000 ft; scat at 5,000 ft
- Temperature: 82°F (28°C), dew point 61°F (16°C)
- Altimeter: 29.00 inHg
- Observation at 9:05 pm from LAN
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.