Cessna 150F N6812F

Summary

On 6 March 1985 at about 03:30 local time, a Cessna 150F registered N6812F was involved in an accident near Nampa, Idaho, United States. One person was on board and nobody was injured. The aircraft was substantially damaged. No probable cause statement is available for this record.

Date

6 March 1985 at 03:30

Classification

Accident

Location

Nampa, Idaho, United States

Coordinates

43.6599, -116.6305

Aircraft

Cessna 150F

Registration

N6812F

Category

Airplane

Engines

1

Operator

Not recorded

Operating rule

Part 91: General Aviation

Purpose of flight

Personal

Phase of flight

Not recorded

Route

Boise → Unknown

Aircraft damage

Substantial

Weather

VMC

Light

Night/Dark

NTSB number

SEA85LA068

Nobody was injured.

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

WHILE FLYING AT NGT IN THE LCL PRACTICE AREA SOUTH OF NAMPA, THE PLT THOUGHT HE HAD FLOWN INTO IMC, BUT THE WX WAS GOOD.HE WAS UNABLE TO SEE THE GROUND, SO HE MADE A 180 DEG TURN, THEN NOTED PROBLEMS SEEING HIS INSTRUMENT PANEL. SUSPECTING PSBL CARBON MONOXIDE, HE TURNED OFF THE HEAT & OPENED THE AIR VENTS, BUT HE THEN EXPERIENCE TUNNEL VISION & BECAME LOST & DISORIENTED. HE PLACED HIS HEAD SET NEAR THE MAG COMPASS WHICH CAUSED AN ERRONEOUS READING. WHILE SEEKING HELP FROM ATC, THE PLT SET HIS HDG INDCR (DGI) TO AGREE WITH HIS MAG COMPASS. ATC TRIED TO ASSIST BY GIVING A DF STEER & PROVIDINGVECTORS DURING A CLIMB TO OBTAIN RADAR CONTACT. HOWEVER, THE ACFT IMPACTED MOUNTAINOUS TERRAIN AT AN ALT OF APRX 4800'. ATC HAD PROVIDED A CORRECT STEER TWD THE ARPT, BUT THE ACFT CRASHED WHILE TRAVELING AWAY FROM THE ARPT. RESCUE WAS DELAYED DUE TO WX & THE PLT TURNING OFF THE ELT FOR A TIME. ATC TAPES VERIFIED NORMAL CONVERSATION UNTIL THE PLT HAD SOUNDS OF PHYSICAL IMPAIRMENT WITH HVY BREATHING, SLOW SPEECH, & DIFFICULTY FOLLOWING ATC INSTRUCTIONS; REASON UNKNOWN.

Quoted verbatim from the NTSB record.