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While traversing a mountain range between teller and nome city airports, an air taxi pilot was forced to land when he encountered downdrafts. Full throttle, propeller, and mixture application did not allow recovery. Loss of aircraft control. WX factors.
| Attributes | |
| ACN | 329949 |
| Time | |
| Date | 199603 |
| Day | Sun |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : ome airport : 94z |
| State Reference | AK |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zlc |
| Operator | common carrier : air taxi |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 135 |
| Flight Phase | cruise other |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | company : air taxi |
| Function | flight crew : single pilot |
| Qualification | pilot : commercial |
| Experience | flight time last 90 days : 200 flight time total : 1800 flight time type : 20 |
| ASRS Report | 329949 |
| Person 2 | |
| Affiliation | Other |
| Function | observation : passenger |
| Qualification | other other : other |
| Events | |
| Anomaly | inflight encounter : weather other anomaly |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : took evasive action other |
| Consequence | other other |
| Supplementary | |
| Primary Problem | Weather |
| Air Traffic Incident | other |
Narrative:
Before departing teller airport 45 mi northwest of nome I called fairbank's flight service. The WX in nome was VFR with moderate turbulence. While crossing the mountains the plane encountered a 200 FPM descent. I pulled back on the yoke and lost 15 KTS and the vsi returned to neutral position. Shortly after, the vsi returned to 500 FPM or more down, while applying full throttle, propeller, and mixture at the same time. The plane never recovered and a forced landing was made 14 mi west of nome. Pilot was not injured and passenger had minor injuries.
Original NASA ASRS Text
Title: WHILE TRAVERSING A MOUNTAIN RANGE BTWN TELLER AND NOME CITY ARPTS, AN AIR TAXI PLT WAS FORCED TO LAND WHEN HE ENCOUNTERED DOWNDRAFTS. FULL THROTTLE, PROP, AND MIXTURE APPLICATION DID NOT ALLOW RECOVERY. LOSS OF ACFT CTL. WX FACTORS.
Narrative: BEFORE DEPARTING TELLER ARPT 45 MI NW OF NOME I CALLED FAIRBANK'S FLT SVC. THE WX IN NOME WAS VFR WITH MODERATE TURB. WHILE XING THE MOUNTAINS THE PLANE ENCOUNTERED A 200 FPM DSCNT. I PULLED BACK ON THE YOKE AND LOST 15 KTS AND THE VSI RETURNED TO NEUTRAL POS. SHORTLY AFTER, THE VSI RETURNED TO 500 FPM OR MORE DOWN, WHILE APPLYING FULL THROTTLE, PROP, AND MIXTURE AT THE SAME TIME. THE PLANE NEVER RECOVERED AND A FORCED LNDG WAS MADE 14 MI W OF NOME. PLT WAS NOT INJURED AND PAX HAD MINOR INJURIES.
Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.