Cessna 172RG N4825V
1 November 1989 · Laramie, Wyoming, United States · Fatal
Summary
On 1 November 1989 at about 00:32 local time, a Cessna 172RG registered N4825V was involved in an accident near Laramie, Wyoming, United States. One person was on board and one died. The aircraft was destroyed. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 00:32
- Classification
- Accident
- Location
- Laramie, Wyoming, United States
- Nearest airport
- General Brees Field (LAR)
- Coordinates
- 41.3095, -105.5795
- Aircraft
- Cessna 172RG
- Registration
- N4825V
- Category
- Airplane
- Engines
- 1
- Operator
- Not recorded
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Route
- Unknown → Rawlins
- Aircraft damage
- Destroyed
- Weather
- IMC
- Light
- Dusk
- NTSB number
- DEN90FA017
People
1 person died.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 1 | 0 | 0 | 0 |
Probable cause
THE LOSS OF CONTROL OF THE AIRPLANE IN INSTRUMENT METEOROLOGICAL CONDITIONS AFTER THE PILOT BECAME SPATIALLY DISORIENTED. CONTRIBUTING TO THE ACCIDENT WAS THE FAILURE OF THE VACUUM SYSTEM WHICH RENDERED THE VACUUM/GYRO INSTRUMENTS INOPERATIVE. ALSO CONTRIBUTING TO THIS FAILURE WAS THE IMPROPER INSTALLATION OF THE VACUUM PUMP BY UNKNOWN PERSON(S).
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE PLT RECEIVED A WEATHER BRIEFING FOR A VFR FLT. THE BRIEFING INDICATED IFR WEATHER ALONG THE INTENDED ROUTE OF FLIGHT. THE PLT STATED HE WAS CONDUCTING THE FLT VFR BECAUSE HE 'DID NOT TRUST HIS INSTRUMENTS.' APPROXIMATELY ONE HOUR AFTER DEPARTURE FROM LARAMIE, WY, THE PLT REQUESTED THE LARAMIE WEATHER IN AN ATTEMPT TO RETURN. THE PLT RADIOED HE LOST HIS GYROS AND DECLARED AN EMERGENCY. THE FSS RECEIVED A SPECIAL VFR CLEARANCE DUE TO BELOW VFR MINIMUM WEATHER, BUT WAS UNABLE TO ISSUE IT DUE TO LOST RADIO COMMUNICATIONS. POST-ACCIDENT INVESTIGATION REVEALED THE VACUUM PUMP HAD BEEN INSTALLED WITHOUT THE SHEAR SHAFT COUPLING. THE AIRFRAME AND ENGINE LOGBOOKS DID NOT IDENTIFY PREVIOUS WORK PERFORMED OR PERSON(S) WHO MAY HAVE WORKED ON THE PUMP.
Quoted verbatim from the NTSB record.
Other Cessna 172 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 17 Mar 1989 | Cessna 172M | Pascagoula, Mississippi, United States | - | Fatal | 2 |
| 21 Mar 1989 | Cessna 172H | Melbourne, Florida, United States | - | Serious injuries | - |
| 2 Jan 1989 | Cessna 172 | Cheyenne, Wyoming, United States | - | No injuries | - |
| 21 Nov 1989 | Cessna 172 | Bremerton, Washington, United States | Flight Tech, Inc | Minor injuries | - |
| 17 Aug 1989 | Cessna 172P | Superior, Wisconsin, United States | - | Serious injuries | - |
| 4 Jan 1989 | Cessna 172 | Longmont, Colorado, United States | Denver Air Center | No injuries | - |
All 12,209 records for this type
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 1 Mar 1989 | Cessna 150 | Evanston, Wyoming, United States | Debron Air, Inc. | No injuries | - |
| 5 Apr 1989 | Piper PA-34-220T | Cheyenne, Wyoming, United States | - | No injuries | - |
| 21 May 1989 | Cessna 175 | Sheridan, Wyoming, United States | Clayton C. Cole | No injuries | - |
| 25 Jun 1989 | Beechcraft A24R | Evanston, Wyoming, United States | - | No injuries | - |
| 2 Jul 1989 | Stitts SA7D | Evanston, Wyoming, United States | - | No injuries | - |
| 4 Jul 1989 | Henry Vickers HCV-110 | Newcastle, Wyoming, United States | Vickers, Henry C. | Minor injuries | - |