NYC87IA258

NTSB incident investigation · Beech 99 · Portland, ME · September 2, 1987

Incident · Minor injuriesIncident investigationFinal report
Date
September 2, 1987, 19:00 local (23:00 UTC)
Place
Portland, ME
Injuries
1 minor, 1 uninjured
Damage
No damage
Phase of flight
Enroute
Aircraft
N204BHBeech 99
Weather
Visual (VMC) · Night/dark
Status
Completed · report July 10, 1989
Report
Approved by Office Director
Case key
30536

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.

On this page

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Miscellaneous/otherCruise
Door,passenger - popped/tripped
Miscellaneous equipment - inadvertent usePilot in commandCause

Analysis

The acft was cruising at 2500 ft with no passengers on board. The co-pilot went into the cabin and noticed a loud hissing noise around the main cabin door. He checked the handle and locking pins and noticed the door was locked. He told the captain who directed him to take control of the aircraft and the captain went back into the cabin to check the door. The captain said he may have bumped the door and it flew open. He was tangled up in the door cables and stayed with the aircraft. He received minor injuries. The co-pilot made an uneventful landing after declaring an emergency. The door was examined and no problem was found with the door. The aircraft was returned to service without repair. Beech aircraft company said there would be a 127 lb force pulling the door outward at 200 ktas and 2500 ft. the flight crew had reported they were in normal cruise when the door opened.

Aircraft

Registration
N204BH
Reported as
Beech 99
Category
Airplane
Serial number
U-47
Airframe hours
28,700
Engine
P&W PT-6-20, 500 horsepower, turbo prop
Damage
No damage
Flight
Part 91
Operator
Bar Harbor Airlines, doing business as Eastern Express
Registered owner
Stewart M. Ayton
Airworthiness certificate
Standard, Normal
Last inspection
Unknown · July 1, 1987 · 30 hours before
Departed
LEW · Auburn, ME
Destination
BOS · Boston, MA
Flight plan
VFR

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
45
Certificate
Airline transport
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
4,351 total · 2,731 in this make and model · 3,778 as pilot in command · 300 in the last 90 days · 102 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Night/dark
Wind
260° at 9 knots
Visibility
20 statute miles
Lowest ceiling
25,000 ft broken
Temperature
64 °F, dew point 46 °F
Altimeter
29.00 inHg
Observed at
PWM