Tuesday, November 19, 2019

Loss of Engine Power (Partial): Piper PA-28R-201 Cherokee Arrow III, N3783M; accident occurred August 06, 2016 near Northampton Airport (7B2), Hampshire County, Massachusetts

The National Transportation Safety Board did not travel to the scene of this accident.

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Enfield, Connecticut

Aviation Accident Factual Report - National Transportation Safety Board: https://app.ntsb.gov/pdf

Investigation Docket - National Transportation Safety Board: https://dms.ntsb.gov/pubdms


Location: Northampton, MA
Accident Number: ERA16LA280
Date & Time: 08/06/2016, 1145 EDT
Registration: N3783M
Aircraft: PIPER PA 28R-201
Aircraft Damage: Substantial
Defining Event: Loss of engine power (partial)
Injuries: 2 None
Flight Conducted Under: Part 91: General Aviation - Instructional 

On August 06, 2016, about 1145 eastern daylight time, a Piper PA-28R-201, N3783M, was substantially damaged during a forced landing following a partial loss of engine power near Northampton Airport (7B2), Northampton, Massachusetts. The flight instructor and pilot receiving instruction were not injured. The instructional flight was conducted under the provisions of 14 Code of Federal Regulations Part 91. Visual meteorological conditions prevailed, and no flight plan was filed for the flight, which originated from 7B2, about 1143.

According to the flight instructor, during a simulated soft field take-off, the airplane's climb performance deteriorated noticeably. As the airplane reached approximately 150 feet above ground level, the engine started to lose power. He then realized that continuing the climb was not possible, and any increase in pitch resulted in an immediate decrease in airspeed. The flight instructor elected to make an emergency off airport landing in a corn field near the end of the departure runway. During the landing sequence the right wing and firewall were damaged.

A post accident examination of the airplane by a Federal Aviation Administration inspector revealed that the alternate air valve plate had separated from its mounting location and was lodged in the fuel servo air intake, blocking the fuel servo. After further examination of the alternate air valve plate it was noted that the hinge pin was worn completely through the plate assembly. A review of manufacturer engineering drawings showed that the plate assembly was modified using a spring attached to the plate. A review of the logbooks did not reveal an entry of a modification, or repair of the part.

Flight Instructor Information

Certificate: Airline Transport; Flight Instructor
Age: 58, Male
Airplane Rating(s): Multi-engine Land; Single-engine Land; Single-engine Sea
Seat Occupied: Right
Other Aircraft Rating(s): None
Restraint Used:
Instrument Rating(s): Airplane
Second Pilot Present: Yes
Instructor Rating(s): Airplane Multi-engine; Airplane Single-engine; Instrument Airplane
Toxicology Performed: No
Medical Certification: Class 2 With Waivers/Limitations
Last FAA Medical Exam: 07/26/2015
Occupational Pilot: Yes
Last Flight Review or Equivalent: 12/31/2015
Flight Time:  (Estimated) 6399 hours (Total, all aircraft), 268 hours (Total, this make and model), 6288 hours (Pilot In Command, all aircraft)

Pilot Information

Certificate: Private
Age: 29, Male
Airplane Rating(s): Single-engine Land
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used:
Instrument Rating(s): Airplane
Second Pilot Present: Yes
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 3 Without Waivers/Limitations
Last FAA Medical Exam:
Occupational Pilot: No
Last Flight Review or Equivalent: 07/15/2015
Flight Time: (Estimated) 240 hours (Total, all aircraft), 10 hours (Total, this make and model) 

Aircraft and Owner/Operator Information

Aircraft Make: PIPER
Registration: N3783M
Model/Series: PA 28R-201 201
Aircraft Category: Airplane
Year of Manufacture: 1978
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 28R-7837137
Landing Gear Type: Retractable - Tricycle
Seats: 4
Date/Type of Last Inspection: 07/08/2016, Annual
Certified Max Gross Wt.: 2749 lbs
Time Since Last Inspection: 53 Hours
Engines: 1 Reciprocating
Airframe Total Time: 10855 Hours as of last inspection
Engine Manufacturer: LYCOMING
ELT: C91 installed, activated, did not aid in locating accident
Engine Model/Series: IO-360-C1C6
Registered Owner: Northampton Aeronautics
Rated Power: 200 hp
Operator: Northampton Aeronautics
Operating Certificate(s) Held: Pilot School (141)

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: BAF, 270 ft msl
Distance from Accident Site: 9 Nautical Miles
Observation Time: 1053 EDT
Direction from Accident Site: 250°
Lowest Cloud Condition: Clear
Visibility:  10 Miles
Lowest Ceiling: None
Visibility (RVR):
Wind Speed/Gusts: Calm /
Turbulence Type Forecast/Actual: / None
Wind Direction:
Turbulence Severity Forecast/Actual:
Altimeter Setting: 29.73 inches Hg
Temperature/Dew Point: 26°C / 21°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Northampton, MA (7B2)
Type of Flight Plan Filed: None
Destination: Northampton, MA (7B2)
Type of Clearance: None
Departure Time: 1143 EDT
Type of Airspace: Class G

Airport Information

Airport: Northampton Airport (7B2)
Runway Surface Type: Dirt; Grass/turf
Airport Elevation: 121 ft
Runway Surface Condition: Rough; Vegetation
Runway Used: N/A
IFR Approach: None
Runway Length/Width:
VFR Approach/Landing: Forced Landing

Wreckage and Impact Information

Crew Injuries: 2 None
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 2 None
Latitude, Longitude: 42.328056, -72.611111 (est)

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