Cessna A150L accident near Olla, Louisiana, May 21, 1987
On May 21, 1987 at about 5:30 pm local time, a Cessna A150L, registered N56QQ, was destroyed in an accident near Olla, Louisiana (Olla 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
- May 21, 1987 · about 5:30 pm local time
- Place
- Olla, Louisiana · Olla · map
- Type
- Accident
- Injuries
- 1 person was seriously injured.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna A150L · all A150Ls on the register
- Registration
- N56QQ · no longer on the register · serial A1500311
- Damage
- Destroyed
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
SHORTLY AFTER TAKEOFF, WITNESSES OBSERVED THE ACFT IN A STEEP CLIMB. RPRTDLY, IT THEN ENTERED A LEFT TURN & APPEARED TO STALL. THE PLT STATED THAT AFTER ABOUT 180 DEG OF TURN, HE ROLLED OUT, NOSE LOW, LEVELED THE WINGS, THEN A VIBRATION STARTED. RPRTDLY, THE ACFT BEGAN TO SHAKE AS IF IT WERE IN AN ACCELLERATED STALL. THE PLT PUSHED THE YOKE FORWARD TO BREAK THE STALL, BUT THE ACFT SUBSEQUENTLY HIT TREES & CRASHED TO THE GND. THE PLT SUSPECTED THE VIBRATION MIGHT HAVE BEEN FM SOMETHING OTHER THAN A STALL; HOWEVER, NO PREIMPACT PART FAILURE OR MALFUNCTION WAS FND.
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: commercial pilot
- Ratings: single-engine land
- Flight time: 1,712 hours in all; 1,614 in this make and model; 65 in the last 90 days; 1,648 as pilot in command
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 2,900 hours
- Last inspection: annual inspection, November 1, 1986
- Maximum gross weight: 1,650 lb
- Seats: 2
- Landing gear: fixed
- Engine: Lycoming O-320-E2D (piston); 0 hours total
The flight
- Departed from: LA32 at 5:30 pm
- Flight plan: none
- Runway 20, 3,000 ft by 75 ft
Weather at the time
- Light: daylight
- Visibility: 7 statute miles
- Sky: clear
- Temperature: 82°F (28°C), dew point 0°F (-18°C)
- Altimeter: 30.00 inHg
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.