Plane Crash List

Cessna 177 N3314T

23 September 1991 · Snohomish, Washington, United States · No injuries

Summary

On 23 September 1991 at about 02:15 local time, a Cessna 177 registered N3314T, operated by Sigmet Inc., was involved in an accident near Snohomish, Washington, United States. 2 people were on board and nobody was injured. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.

The record

Date
at 02:15
Classification
Accident
Location
Snohomish, Washington, United States
Coordinates
47.9401, -121.9998
Aircraft
Cessna 177
Registration
N3314T
Category
Airplane
Engines
1
Operator
Sigmet Inc.
Operating rule
Part 91: General Aviation
Purpose of flight
Personal
Phase of flight
Not recorded
Route
Tacoma → Unknown
Aircraft damage
Substantial
Weather
VMC
Light
Dusk
NTSB number
SEA91LA249

People

Nobody was injured.

On board Died Serious Minor Uninjured
2 0 0 0 2

Probable cause

THE SEPARATION OF THE MIXTURE CONTROL CABLE (CORE) RESULTING FROM SEPARATION OF THE ADEL CLAMP ASSEMBLY AND IMPROPER ADJUSTMENT BY MAINTENANCE PERSONNEL.

Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.

Read the full NTSB narrative

DURING CRUISE A PARTIAL POWER LOSS OCCURRED AND THE PILOT, UNABLE TO REACH A SUITABLE AIRPORT, EXECUTED A FORCED LANDING. POST CRASH EXAMINATION REVEALED THAT THE MIXTURE CONTROL CABLE CORE HAD SEPARATED AT THE MIXTURE CONTROL ARM BOLT ADJACENT TO THE CARBURETOR. ADDITIONALLY, THE ADEL CLAMP ASSEMBLY RETAINING THE MIXTURE CONTROL CABLE NEAR THE MIXTURE CONTROL ARM WAS OBSERVED TO BE SEPARATED. THE SEPARATED CABLE CORE WAS DUE TO REVERSE BENDING FATIGUE CRACKING CONSISTENT WITH EXCESSIVE VIBRATORY LOADS APPLIED TO THE CABLE AS A RESULT OF THE SEPARATED ADEL CLAMP ASSEMBLY. THE SEPARATED ADEL CLAMP WAS DUE TO EXCESSIVE TWISTING LOADS APPLIED TO THE CLAMP. DURING THE FORCED LANDING ROLLOUT, WHICH WAS EXECUTED ON ROUGH TERRAIN, THE NOSE WHEEL ASSEMBLY COLLAPSED.

Quoted verbatim from the NTSB record.

Other Cessna 177 accidents

Date Aircraft Location Operator Outcome Died
31 Jul 1991 Cessna 177
N8067G
Scottsdale, Arizona, United States Michael P. Turner Minor injuries -
12 May 1991 Cessna 177
N3345T
Decatur, Indiana, United States Clark Smith/ Ralph Biggs No injuries -
22 May 1991 Cessna 177
N548EC
New Lothrop, Michigan, United States Patrick J. Corcoran No injuries -
25 Jul 1991 Cessna 177RG
N8071
Ashland, Kentucky, United States National Aviation Inc. No injuries -
28 Sep 1991 Cessna 177B
N34980
Lake Charles, Louisiana, United States Gaylin M. Allen No injuries -
9 Dec 1991 Cessna 177
N2961X
Elkhart, Indiana, United States Frank G. Fisher No injuries -

All 1,744 records for this type

Other accidents in this area

Date Aircraft Location Operator Outcome Died
31 Mar 1991 Bell BH-47G2A
N38926
Waitsburg, Washington, United States Waitsburg Helicopter Service No injuries -
6 Apr 1991 Robinson R22 BETA
N24176
Kent, Washington, United States Classic Helicopter No injuries -
6 Apr 1991 Grumman American AA-1C
N9651U
Wenatchee, Washington, United States James Q. Baxter No injuries -
12 Apr 1991 Aeronca 11AC
N85948
Port Orchard, Washington, United States John D. Gracie No injuries -
13 Apr 1991 Cessna C-172N
N75646
Ellensburg, Washington, United States Interwest Aviation No injuries -
17 Apr 1991 Grumman G-21A
N9750Z
Spokane, Washington, United States Loel Fenwick No injuries -

All 170,864 records in United States