Sunday, March 29, 2020

System / Component Malfunction / Failure (Non-Power): Cessna 402C, N409BK; accident occurred February 12, 2020 at Barnstable Municipal Airport (KHYA), Hyannis, Massachusetts

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Boston, Massachusetts

Aviation Accident Factual Report - National Transportation Safety Board:

Location:Barnstable, MA
Accident Number: ERA20CA100
Date & Time: 02/12/2020, 1412 EST
Registration: N409BK
Aircraft: Cessna 402
Aircraft Damage: Substantial
Defining Event: Sys/Comp malf/fail (non-power)
Injuries: 1 None
Flight Conducted Under: Part 91: General Aviation - Positioning

According to the operator, the airplane was on its initial climb when the door warning light illuminated, and the crew hatch door opened. The door then tore the forward hinge from its mount along with the adjacent aircraft skin, which resulted in substantial damage to the airplane. Postaccident examination of the airplane confirmed proper operation of the door safety latch, warning system, and door latching mechanism. The operator explained that it was possible to latch the door with the forward pin in its proper anchor point, and with the aft pin outside the airframe, yet still extinguish the warning light. The operator further reported that this was covered in aircrew training as well as the company standard operating procedures. 

Pilot Information

Certificate: Flight Instructor; Commercial
Age: 52, Male
Airplane Rating(s): Multi-engine Land; Single-engine Land
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used:
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): Airplane Multi-engine; Airplane Single-engine; Instrument Airplane
Toxicology Performed: No
Medical Certification: Class 1 With Waivers/Limitations
Last FAA Medical Exam: 09/24/2019
Occupational Pilot: Yes
Last Flight Review or Equivalent:
Flight Time:   10786 hours (Total, all aircraft), 2752 hours (Total, this make and model), 9215 hours (Pilot In Command, all aircraft), 103 hours (Last 90 days, all aircraft), 32 hours (Last 30 days, all aircraft), 2 hours (Last 24 hours, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Make: Cessna
Registration: N409BK
Model/Series: 402 C
Aircraft Category: Airplane
Year of Manufacture: 1982
Amateur Built: No
Airworthiness Certificate:Normal
Serial Number: 402C0651
Landing Gear Type: Retractable - Tricycle
Seats: 10
Date/Type of Last Inspection: 01/15/2020, AAIP
Certified Max Gross Wt.: 7210 lbs
Time Since Last Inspection: 40 Hours
Engines: 2 Reciprocating
Airframe Total Time: 28493 Hours as of last inspection
Engine Manufacturer: Continental
ELT: C91 installed, not activated
Engine Model/Series: TSIO-520 SER
Registered Owner: Hyannis Air Service Inc Dba
Rated Power: 325 hp
Operator: Hyannis Air Service Inc Dba
Operating Certificate(s) Held: Commuter Air Carrier (135)

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: HYA, 54 ft msl
Distance from Accident Site: 0 Nautical Miles
Observation Time: 1356 EST
Direction from Accident Site: 0°
Lowest Cloud Condition: Clear
Visibility:  10 Miles
Lowest Ceiling:
Visibility (RVR):
Wind Speed/Gusts: 20 knots / 27 knots
Turbulence Type Forecast/Actual: None /
Wind Direction: 260°
Turbulence Severity Forecast/Actual:
Altimeter Setting: 30.09 inches Hg
Temperature/Dew Point: 4°C / -12°C
Precipitation and Obscuration: No Precipitation
Departure Point: Barnstable, MA (HYA)
Type of Flight Plan Filed: VFR
Destination: Barnstable, MA (HYA)
Type of Clearance: VFR
Departure Time: 1418 EST
Type of Airspace: Class D

Airport Information

Airport: Barnstable Muni-Boardman/Polan (HYA)
Runway Surface Type: Asphalt
Airport Elevation: 54 ft
Runway Surface Condition: Dry
Runway Used: 24
IFR Approach:None 
Runway Length/Width: 5425 ft / 150 ft
VFR Approach/Landing: Traffic Pattern

Wreckage and Impact Information

Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 None
Latitude, Longitude: 41.669167, -70.280278 (est)

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