Aviat Aircraft INC A 1B accident near Hayden, Idaho, May 15, 2014
On May 15, 2014, a 2006 Aviat Aircraft INC A 1B, registered N176WW, was substantially damaged in an accident during approach (VFR pattern base) near Hayden, Idaho (Coeur D'Alene - Pappy Boyingto airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 2 people were on board or involved. The weather was visual conditions (good weather).
Preview. This page is not yet listed for search engines.
The NTSB's probable cause their words, unchanged
A partial loss of engine power due to encounter with weather conditions conducive to carburetor icing. Contributing the accident was the pilot's inadequate weather planning.
Source: NTSB aviation accident database, copy made October 4, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- May 15, 2014
- Place
- Hayden, Idaho · Coeur D'Alene - Pappy Boyingto · map
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Aviat Aircraft INC A 1B, built 2006 · all A 1Bs on the register
- Registration
- N176WW · registry record · serial 2377
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
The amphibious airplane was en route to its destination; at time of arrival the temperature was 75 degrees F and the dew point was 43 degrees F. These conditions were conducive to serious carburetor icing at glide power. The pilot stated upon entering the base leg he reduced power and began the descent for landing. While descending he reapplied power to which the engine was unresponsive. Actions by the pilot to restore power were unsuccessful and he initiated an off airport forced landing to a grass field northeast of the airport. Due to insufficient altitude the airplane struck a vehicle before the airplane stalled and impacted the ground. The airplane sustained substantial damage to the right wing and left wing lift strut. The pilot stated he was unsure whether there were any mechanical malfunctions with the engine but did believe the loss of power resulted from carburetor icing. A postaccident engine examination revealed no evidence of preimpact mechanical malfunctions or failures with the engine which would have precluded normal operation.
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record from the NTSB's investigation tables, in plain English
What happened, in order
- Loss of engine power (partial) during approach (VFR pattern base) defining event
- Off-field or emergency landing during approach (VFR pattern base)
The NTSB's findings
- cause Aircraft › Aircraft oper/perf/capability › Performance/control parameters › Powerplant parameters › Attain/maintain not possible
- cause Environmental issues › Conditions/weather/phenomena › Temp/humidity/pressure › Conducive to carburetor icing › Effect on equipment
- factor Personnel issues › Task performance › Planning/preparation › Weather planning › Pilot
- Environmental issues › Physical environment › Object/animal/substance › Ground vehicle › Contributed to outcome
Pilot
- Certificate: private
- Ratings: single-engine land; single-engine sea; instrument: airplane
- Flight time: 3,240 hours in all; 300 in this make and model; 20 in the last 90 days; 6 in the last 30 days; 3,240 as pilot in command
- Last flight review: September 20, 2012
- Medical certificate: Class 3 (with waivers/limitations)
- Seat: frt
- Injury: no injuries
The aircraft
- Airframe total time: 346 hours
- Last inspection: annual inspection, June 20, 2013
- Maximum gross weight: 2,200 lb
- Seats: 2
- Landing gear: fixed
- Engine: Lycoming O-360-A1P (piston); 371 hours total
The flight
- Departed from: SFF Spokane WA at 11:20 pm
- Destination: KCOE Coeur D'Alene ID
- Flight plan: none
- Runway 20, 5,400 ft by 75 ft
Weather at the time
- Light: daylight
- Wind: from 270° at 10 knots
- Visibility: 10 statute miles
- Sky: clear
- Temperature: 75°F (24°C), dew point 43°F (6°C)
- Altimeter: 30.22 inHg
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flight crew | 1 | |||
| Passengers | 1 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.
About this page
Everything above comes from the NTSB's public accident database: the narrative, probable cause and findings are the NTSB's own words, and the coded tables behind its report (pilot, aircraft, flight, weather, injuries, sequence of events) are written out in plain English. Pilots' ages, home towns and medical details are left out on purpose. The documents and photographs are the NTSB's docket, the folder of records gathered during the investigation, shown as the NTSB released them (the NTSB redacts some personal details first) and listed under the NTSB's own titles. This site's own text never names pilots, passengers or anyone else involved. A preliminary report describes what is known soon after the event and can change; the final report, with the probable cause, usually follows one to two years later and this page is refreshed when it does. Case number WPR14CA190.