Fairchild Hiller FH-1100 N26631
18 March 1983 · Longview, Washington, United States · Serious injuries
Summary
On 18 March 1983 at about 23:10 local time, a Fairchild Hiller FH-1100 registered N26631 was involved in an accident near Longview, Washington, United States. One person was on board and one was seriously injured. The aircraft was destroyed. No probable cause statement is available for this record.
The record
- Date
- at 23:10
- Classification
- Accident
- Location
- Longview, Washington, United States
- Coordinates
- 46.1908, -123.0505
- Aircraft
- Fairchild Hiller FH-1100
- Registration
- N26631
- Category
- Helicopter
- Engines
- 1
- Operator
- Not recorded
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Route
- Longview → Unknown
- Aircraft damage
- Destroyed
- Weather
- VMC
- Light
- Day
- NTSB number
- SEA83FA065
People
1 person was seriously injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 0 | 1 | 0 | 0 |
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
SEVERAL PERSONS SAW THE HELICOPTER FLYING AT A CRUISING ALTITUDE OF ABOUT 200 TO 300 FT, THEN ENTER A LOOP TYPE OF MANEUVER. THEY LOST SIGHT OF THE HELICOPTER NEAR THE BOTTOM OF THE MANEUVER BEFORE IT CRASHED. THE PLT RECEIVED SERIOUS HEAD INJURIES & COULD NOT RECALL WHAT HAD HAPPENED. AN EXAM OF THE AIRFRAME REVEALED THAT THE TRANSMISSION & MAIN ROTOR HUB ASSY HAD REMAINED PARTIALLY ATTACHED TO THE AIRFRAME THRU THE LEFT & RIGHT LONGITUDINAL TRANSMISSION STRUTS. BOTH THE LEFT & RIGHT VERTICAL AS WELL AS BOTH LEFT & RIGHT LATERAL TRANSMISSION STRUTS HAD SEPARATED NEAR THEIR ATTACH POINTS. A METALLURGICAL EXAM OF THESE PARTS REVEALED THAT FITTING ASSEMBLY, PN 24-61022-6 HAD FAILED AT A FATIGUE CRACK. ADDITIONALLY, CORROSION WAS FOUND WITHIN THE LEFT VERTICAL & LATERAL (ADJUSTABLE) TRANSMISSION STRUTS. PREIMPACT CONTINUITY OF THE CYCLIC PITCH CONTROL WAS VERIFIED.
Quoted verbatim from the NTSB record.
Other Fairchild Hiller FH-1100 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 28 Jul 1983 | Fairchild Hiller FH-1100 | Porterville, California, United States | Hiller Aviation | Fatal | 2 |
| 25 May 1983 | Fairchild Hiller FH-1100 | Beaumont, Texas, United States | - | No injuries | - |
| 13 Aug 1983 | Fairchild Hiller FH-1100 | Toutle, Washington, United States | - | Fatal | 5 |
| 26 Aug 1982 | Fairchild Hiller FH 1100 | Mason City, Iowa, United States | Jerry LEE Alley | No injuries | - |
| 29 Jul 1984 | Fairchild Hiller FH-1100 | Meadview, Arizona, United States | - | Fatal | 3 |
| 27 Dec 1984 | Fairchild Hiller FH-1100 | La Belle, Florida, United States | - | Fatal | 1 |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 17 Dec 1983 | Cessna 150F | Prosser, Washington, United States | - | No injuries | - |
| 4 Feb 1983 | Maule M-5-220C | Near Asotin, Washington, United States | Thomas L. Jordan | Serious injuries | - |
| 5 Feb 1983 | Piper PA-34-200T | Seattle, Washington, United States | Airpac Airlines | No injuries | - |
| 3 Mar 1983 | Cessna 140 | Moses Lake, Washington, United States | - | Fatal | 1 |
| 6 Mar 1983 | Glasair SH-2 | 5 Nm E. of Kent, Washington, United States | - | Fatal | 1 |
| 2 Apr 1983 | Glasair SH2 | Camano Island, Washington, United States | - | Fatal | 2 |