Cessna 172M accident near Perry, Florida, July 10, 1989
On July 10, 1989 at about 1:17 pm local time, a Cessna 172M, registered N4427Q, was substantially damaged in an accident near Perry, Florida. It was a personal flight under general aviation rules (Part 91). No one was hurt; 4 people were on board or involved. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
FAILURE OF THE NUMBER THREE EXHAUST VALVE WHICH NECESSITATED A FORCED LANDING. THE TREES WERE CONSIDERED TO BE A CONTRIBUTING FACTOR.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- July 10, 1989 · about 1:17 pm local time
- Place
- Perry, Florida · map
- Type
- Accident
- Injuries
- No one was hurt; 4 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 172M · all 172Ms on the register
- Registration
- N4427Q · registry record · serial 17261706
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE ACFT WAS CRUISING AT 3000 FT WHEN THE ENG LOST POWER. SUBSEQUENTLY, IT STRUCK TREES DURING A FORCED LANDING, WHICH RESULTED IN SUBSTANTIAL DAMAGE. AN EXAM OF THE ENG REVEALED THE #3 EXHUST VALVE HAD FAILED. THE ENG HAD BEEN OPERATED 1545 HRS SINCE IT WAS LAST OVERHAULED IN 1977.
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
- Medical certificate: Class 3 (valid medical--no waivers/lim.)
- Seat: left
The aircraft
- Last inspection: inspection type not recorded
- Maximum gross weight: 2,300 lb
- Seats: 4
- Landing gear: fixed
- Engine: Lycoming O-320-E2D (piston); 0 hours total
The flight
- Departed from: 2J9 Quincy FL at 12:30 pm
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 020° at 4 knots
- Visibility: 5 statute miles
- Sky: clear
- Temperature: 81°F (27°C), dew point 73°F (23°C)
- Altimeter: 30.00 inHg
- Observation at 12:50 pm from TLH, 50 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 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.