Beechcraft B36TC N6750C
5 January 1985 · Billings, Montana, United States · Minor injuries
Summary
On 5 January 1985 at about 01:25 local time, a Beechcraft B36TC registered N6750C was involved in an accident near Billings, Montana, United States. 2 people were on board and one had minor injuries. The aircraft was substantially damaged. No probable cause statement is available for this record.
The record
- Date
- at 01:25
- Classification
- Accident
- Location
- Billings, Montana, United States
- Nearest airport
- Logan (BIL)
- Coordinates
- Not recorded
- Aircraft
- Beechcraft B36TC
- Registration
- N6750C
- Category
- Airplane
- Engines
- 1
- Operator
- Not recorded
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Business
- Phase of flight
- Not recorded
- Route
- Seattle → Billings
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Night/Bright
- NTSB number
- DEN85LA060
People
1 person had minor injuries.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 0 | 1 | 1 |
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
PLT USED CANNULA CONNECTED TO PORTABLE OXYGEN SYSTEM DURING CLIMB STARTING AT 11,000 FT MSL. AT FL 170 PLT SWITCHED TO A MASK CONNECTED TO ACFT OXYGEN STSTEM. AT FL 250, PLT COMPLAINED OF STOMACH PAINS FOR APRX 1/2 HR. PLT THEN STATED TO HIS SON THAT HIS OXYGEN SMELT BAD, THE MASK WAS AWKWARD TO USE AND IT FIT POORLY. AT THIS TIME THE PLT USED THE MASK AND CANNULA TOGETHER. THE ACFT OXYGEN SYSTEM WAS CHECKED AND INDICATED A POSITIVE FLOW WITH A BOTTLE PRESSURE OF 1500 PSI. PLT THEN BEGAN SHOWING SIGNS OF HYPOXIA AND SUBSEQUENTLY DRIFTED IN AND OUT OF CONSIOUSNESS. PLTS SON TOOK OVER CONTROLS, DECLARED AN EMERGENCY AND FLEW THE ACFT UNTIL FINAL APCH WHEN THE PLT TOOK CONTROL OF ACFT. PLT DIVED ACFT ON SHORT FINAL AND SON PULLED BACK ON YOKE. ACFT CONTACTED GROUND SHORT OF THE RWY. INSPECTION OF THE ACFT OXYGEN SYSTEM REVEALED NO MECHANICAL MALFUNCTION, HOWEVER, THE OXYGEN BOTTLE REPORTEDLY HAD AN APRX DEW POINT OF -35 DEG F. OXYGEN USED FOR AVIATION IS REQUIRED TO HAVE A DEW POINT OF -83 DEG F OR LESS.
Quoted verbatim from the NTSB record.
Other Beechcraft B36TC accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 12 Jul 1985 | Beechcraft B36TC | Idaho City, Idaho, United States | Michael E. Quesnoy | Fatal | 2 |
| 19 Jun 1987 | Beechcraft B36TC | Barnhart, Texas, United States | - | No injuries | - |
| 30 May 1983 | Beechcraft B36TC | Farmingdale, New York, United States | - | Fatal | 4 |
| 5 Jan 1988 | Beechcraft B36TC | Woodward, Oklahoma, United States | - | Serious injuries | - |
| 1 Mar 1990 | Beechcraft B36TC | Inver Grove Hgt, Minnesota, United States | - | Fatal | 1 |
| 20 Jul 1990 | Beechcraft B36TC | Santee, California, United States | Orlyn L. Jones | Fatal | 1 |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 15 Jan 1985 | Cessna 150 | Missoula, Montana, United States | - | No injuries | - |
| 11 Feb 1985 | Piper PA-18 | Thompson Falls, Montana, United States | - | No injuries | - |
| 6 Dec 1985 | Helio H-391B | Bozeman, Montana, United States | - | No injuries | - |
| 6 Dec 1985 | Cessna 177B | Billings, Montana, United States | - | No injuries | - |
| 9 Dec 1985 | Cessna 172P | Missoula, Montana, United States | - | No injuries | - |
| 15 Feb 1985 | Cessna 152 | Kalispell, Montana, United States | - | No injuries | - |