Champion 7GCBC accident near Ocean City, Maryland, July 1, 1989
On July 1, 1989 at about 7:00 pm local time, a Champion 7GCBC, registered N7521F, was substantially damaged in an accident near Ocean City, Maryland. It was an other work-use flight under general aviation rules (Part 91). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
LOSS OF ENGINE POWER FROM EXHAUST GAS LEAKAGE INTO THE CARBURETOR INLET, CAUSING ENGINE AIR STARVATION, AND MATERIAL FAILURE OF THE EXHAUST MANIFOLD. .
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- July 1, 1989 · about 7:00 pm local time
- Place
- Ocean City, Maryland · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Champion 7GCBC · all 7GCBCs on the register
- Registration
- N7521F · registry record · serial 204-70
- Damage
- Substantial damage
- Flight
- Other work-use flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE PLT REPORTED THAT HE WAS FLYING OVER WATER ALONG THE BEACHFRONT AT 200 FT MSL, WITH THE ENGINE SET AT 2250 RPM. HE HEARD A FAINT SOUND FROM THE ENGINE AND SENSED THAT THE MUFFLER WAS SEPARATING. HE UNSUCCESSFULLY TRIED TO CLIMB. THE ENGINE ONLY DEVELOPED 2200 RPM AT FULL THROTTLE. HE DROPPED THE BANNER AND SOON AFTERWARD THE ENGINE LOST POWER. THE PLT STATED THAT A BURNING SMELL FILLED THE CABIN; HOWEVER, HE DID NOT SEE ANY SMOKE. HE DITCHED THE ACFT AND USED A LIFE PRESERVER TO FLOAT ASHORE. EXAMINATION OF THE ACFT REVEALED MATERIAL FAILURE OF THE EXHAUST PIPE AT THE NUMBERS THREE AND FOUR CYLINDER EXHAUST STACK JOINT, WHERE IT CONNECTS TO THE MUFFLER. ALSO NOTED WAS SOOT AND SMOKE DISCOLORATION INSIDE THE CARBURETOR INLET CHAMBER.
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: multi-engine land; single-engine land; instrument: airplane
- Flight time: 605 hours in all; 195 in this make and model; 55 in the last 90 days; 34 in the last 30 days; 414 as pilot in command
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: frt
The aircraft
- Airframe total time: 1,588 hours
- Last inspection: annual inspection, September 1, 1988; 22 hours since
- Maximum gross weight: 1,650 lb
- Seats: 1
- Landing gear: fixed
- Engine: Lycoming O-320-A2B (piston); 0 hours total
The flight
- Flight plan: VFR
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 180° at 4 knots
- Visibility: 10 statute miles
- Sky: broken clouds at 3,500 ft; not recorded
- Temperature: 81°F (27°C), dew point 59°F (15°C)
- Altimeter: 30.00 inHg
- Observation at 6:50 pm from SBY
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.
