ASN Wikibase Occurrence # 69907
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| Date: | Monday 6 September 1993 |
| Time: | 16:15 LT |
| Type: |  Schweizer SGS 2-33A |
| Owner/operator: | Pgh Soaring Club Inc. |
| Registration: | N34367 |
| MSN: | 407 |
| Year of manufacture: | 1975 |
| Engine model: | Lycoming%20O-320-B2B |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Eighty Four, PA -
 United States of America
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT STATED THAT PRIOR TO ANY FLIGHT, HE ALWAYS SET THE GLIDER'S ALTIMETER TO READ AN ALTITUDE OF ZERO FEET ABOVE MEAN SEA LEVEL. THE PILOT STATED THAT HE GOT INTO THE GLIDER IMMEDIATELY AFTER SOMEONE ELSE GOT OUT, AND THOUGHT HE SET THE ALTIMETER TO READ MEAN SEA LEVEL. THE PILOT STATED THAT THE FLIGHT WAS UNEVENTFUL AND WHILE ON DOWNWIND TO THE RUNWAY, THE AIRPLANE'S ALTIMETER INDICATED AN ALTITUDE OF ABOUT 1,000 FEET. HE THOUGHT HE HAD ANOTHER 1,000 FEET TO THE GROUND AND INTENTIONALLY LOST ALTITUDE TO MAKE A LANDING. THE PILOT STATED THAT HE SOON REALIZED THE GLIDER WAS CLOSE TO THE GROUND AND TURNED LEFT TOWARDS THE RUNWAY TO LAND. DURING THE TURN, THE AIRPLANE'S LEFT WING CONTACTED TREES. POST ACCIDENT EXAMINATION OF THE AIRPLANE REVEALED THAT THE ALTIMETER WAS SET TO THAT DAY'S BAROMETRIC PRESSURE.
Probable Cause: THE PILOT'S UTILIZATION OF IMPROPER PROCEDURES FOR SETTING THE ALTIMETER WHICH LED TO HIS MISJUDGING ALTITUDE.
Accident investigation:
 |
|
Sources:
NTSB BFO93LA161
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 07-Nov-2009 00:47 | DColclasure | Added |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 10-Apr-2024 11:17 | ASN Update Bot | Updated [Time, Cn, Operator, Other fatalities, Phase, Nature, Source, Narrative, Category, Accident report] |
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