Beechcraft B35 N7973D
5 June 1987 · Keokuk, Iowa, United States · Serious injuries
Summary
On 5 June 1987 at about 14:45 local time, a Beechcraft B35 registered N7973D was involved in an accident near Keokuk, Iowa, United States. 2 people were on board and one was seriously injured, one had minor injuries. The aircraft was substantially damaged. No probable cause statement is available for this record.
The record
- Date
- at 14:45
- Classification
- Accident
- Location
- Keokuk, Iowa, United States
- Nearest airport
- Keokuk Municipal (EOK)
- Coordinates
- 40.4002, -91.4005
- Aircraft
- Beechcraft B35
- Registration
- N7973D
- Category
- Airplane
- Engines
- 1
- Operator
- Not recorded
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Route
- Muscatine → Houston
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- MKC87LA119
People
1 person was seriously injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 1 | 1 | 0 |
Probable cause
The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.
Nothing about the cause is stated here that is not in the source record.
Read the full NTSB narrative
THE PIC RPTD A LOSS OF MANIFOLD PRESS DURING CRUISE FLT AND AN INABILITY TO MAINTAIN ALT. A FORCED LNDG WAS MADE TO THE KEOKUK ARPT, BUT THE PIC STATED HE WAS TOO HIGH AND FAST FOR A LNDG. THE PIC MADE A GO-AROUND, BUT AGAIN APPROACHED TOO FAST. ANOTHER ATTEMPT WAS MADE TO GO-AROUND, BUT AN INCREASE IN THROTTLE PRODUCED NO ADD'TL PWR. THE PIC THEN VEERED TOWARDS AN OPEN AREA TO ATTEMPT A LNDG. THE ACFT IMPACTED AN AREA OF TREES AND FELL TO THE GRND. EXAM OF THE AIRCRAFT REVEALED THAT THE THROTTLE ARM WAS SLIPPING OVER THE SERRATED EDGES OF THE THROTTLE BODY SHAFT RESTRICTING FULL MOVEMENT OF THE THROTTLE SHAFT. CLOSEUP EXAM OF THIS ARM AND SHAFT REVEALED THAT THE CASTELATED NUT HAD BACKED OFF THE BOLT ALLOWING THE ARM TO LOOSEN. A COTTER PIN IS NORMALLY INSTALLED IN THE AREA OF THE CASTELATTED NUT TO PREVENT IT FROM BACKING OFF THE BOLT. THE BOLT AND NUT WERE FOUND STILL POSITIONED ON THE THROTTLE ARM, BUT THE COTTER PIN WAS NOT FOUND.
Quoted verbatim from the NTSB record.
Other Beechcraft B35 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 26 Sep 1987 | Beechcraft B35 | Kissimmee, Florida, United States | - | Fatal | 2 |
| 30 Aug 1987 | Beechcraft B35 | Martinsville, Indiana, United States | - | Fatal | 2 |
| 10 Mar 1988 | Beechcraft B35 | Nome, Alaska, United States | Reginald Spencer Bickford | Fatal | 1 |
| 24 Jun 1988 | Beechcraft B35 | Weaverville, California, United States | - | No injuries | - |
| 1 Jun 1986 | Beechcraft B35 | Paw Paw, Michigan, United States | - | Serious injuries | - |
| 7 Jun 1985 | Beechcraft B35 | Chinook, Montana, United States | - | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 16 Mar 1987 | Piper PA-32-300 | Mason City, Iowa, United States | - | No injuries | - |
| 5 Apr 1987 | Cessna 172 | Muscatine, Iowa, United States | - | No injuries | - |
| 23 Apr 1987 | Cessna 172E | Moorhead, Iowa, United States | - | No injuries | - |
| 19 May 1987 | Cessna 150G | Forest City, Iowa, United States | William R.yocom | No injuries | - |
| 3 Jun 1987 | Cessna 188-B | Sigourney, Iowa, United States | - | No injuries | - |
| 7 Jun 1987 | Eagle DW-1 | Mediapolis, Iowa, United States | LEE County Aviation, Inc. | No injuries | - |