Cessna 411 accident near North Ft. Myers, Florida, June 28, 1991
On June 28, 1991, a Cessna 411, registered N4940T, was destroyed in an accident near North Ft. Myers, Florida (Pine Shadows Airpark airport). It was a personal flight under general aviation rules (Part 91). 2 people were seriously injured and 3 people had minor injuries. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
THE PILOT IN COMMANDS FAILURE TO FOLLOW EMERGENCY PROCEDURES AND HIS FAILURE TO MAINTAIN AIRSPEED FOLLOWING LOSS OF POWER IN ONE ENGINE RESULTING IN AN INADVERTENT STALL AND THE INFLIGHT LOSS OF CONTROL WITH SUBSEQUENT INFLIGHT COLLISION WITH AN OBJECT AND THE TERRAIN DURING AN UNCONTROLLED DESCENT.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- June 28, 1991
- Place
- North Ft. Myers, Florida · Pine Shadows Airpark · map
- Type
- Accident
- Injuries
- 2 people were seriously injured and 3 people had minor injuries.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 411 · all 411s on the register
- Registration
- N4940T · no longer on the register · serial 411-0140
- Damage
- Destroyed
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
PILOT STATED LEFT ENGINE LOST POWER FOLLOWED BY THE RIGHT ENGINE. HE INITIATED A LEFT TURN BACK TO THE AIRPORT BUT DID NOT SHUTDOWN ENGINES IN ACCORDANCE WITH EMERGENCY PROCEDURES. THE ACFT YAWED LEFT AND FELL OFF ON THE LEFT WING AS IF IT HAD STALLED. HE REGAINED PARTIAL CONTROL AND AIMED FOR A STREET. ACFT HIT ROOF OF HOUSE WHILE IN RIGHT BANK AND THEN CARTWHEELED ACROSS THE STREET. LEFT ENGINE WAS FOUND TO HAVE SEVERE DETONATION DAMAGE AND THE TURBOCHARGER WASTE GATE DOOR WAS MISSING ANTIVIBRATION SPRING. THE PIN CONNECTING THE DOOR AND ACTUATOR WAS FAILED. EVIDENCE INDICATED PIN HAD FAILED PRIOR TO ACCIDENT FLIGHT. SOOT INSIDE LEFT WASTEGATE INDICATED DOOR HAD BEEN FULLY CLOSED FOR SOMETIME. NO EVIDENCE TO INDICATE FAILURE OR MALFUNCTION OF THE RIGHT ENGINE WAS FOUND AND RIGHT PROPELLER SHOWED DAMAGE INDICATIVE OF ROTATION UNDER POWER AT GROUND IMPACT.
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: multi-engine land; single-engine land
- Flight time: 1,000 hours in all; 52 in this make and model
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 3,358 hours
- Last inspection: annual inspection, September 1, 1990; 52 hours since
- Maximum gross weight: 6,500 lb
- Seats: 8
- Landing gear: retractable
- Engine: Continental GTSIO-520-C (piston); 0 hours total
- Fire on the ground
The flight
- Flight plan: none
- Runway 27, 3,200 ft by 100 ft
Weather at the time
- Light: dusk
- Visibility: 7 statute miles
- Sky: broken clouds at 20,000 ft; scat at 3,000 ft
- Temperature: 86°F (30°C), dew point 75°F (24°C)
- Altimeter: 30.00 inHg
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 1 | 3 |
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.