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Accidents · NTSB MIA85IA015 · Preliminary: the investigation is not finished

Mbb BO-105 incident near Orlando, Florida, October 22, 1984

On October 22, 1984 at about 9:15 pm local time, a Mbb BO-105 (helicopter), registered N29144, suffered minor damage in an incident near Orlando, Florida (Orlando Heliport airport). It was a flight of an unrecorded kind under charter and air-taxi rules (Part 135). No one was hurt; 4 people were on board or involved. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The NTSB has not yet published a probable cause for this incident. Investigations usually take one to two years; this page updates when the final report is released.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
October 22, 1984 · about 9:15 pm local time
Place
Orlando, Florida · Orlando Heliport · map
Type
Incident
Injuries
No one was hurt; 4 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Mbb BO-105
Registration
N29144 · no longer on the register · serial 609
Damage
Minor damage
Flight
Flight of an unrecorded kind · charter and air-taxi rules (Part 135)

The NTSB's narrative final · quoted from the NTSB record

THE PURPOSE OF THE FLT WAS TO TRANSPORT A 76 YR OLD PATIENT, WHO WAS IN CRITICAL CONDITION. THE FLT WAS NORMAL UNTIL IT WAS ON FINAL APCH TO A 7TH FLOOR, ROOFTOP, HOSPITAL HELIPORT. DURING THE APCH, THE PLT ATTEMPTED TO INCREASE THE COLLECTIVE TO SLOW THE RATE OF DESCENT. HOWEVER, THE COLLECTIVE CONTROL WOULD NOT RAISE. THE PLT WAS ABLE TO KEEP THE HELICOPTER FROM HITTING THE SIDE OF THE BUILDING, BUT SUBSEQUENTLY LANDED HARD ON A LOWER ROOFTOP AT THE 2ND FLOOR LEVEL. THERE WAS MINOR DAMAGE TO THE SKID CROSSTUBES, TAIL ROTOR, TAIL BOOM, LEFT HORIZONTAL STABILIZER FIN & AN ANTENNA. AFTER THE INCIDENT, THE PLT NOTED THAT A HAND HELD TYPE RADIO HAD LODGED BEHIND THE COLLECTIVE PITCH CONTROL.

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

Pilot

  • Certificate: airline transport pilot, commercial pilot
  • Ratings: multi-engine land; single-engine land; instrument: airplane; instrument: helicopter; rotorcraft: helicopter
  • Flight time: 4,563 hours in all; 51 in this make and model; 45 in the last 90 days; 4,313 as pilot in command
  • Medical certificate: Class 2 (valid medical--no waivers/lim.)
  • Seat: rgt

The aircraft

  • Airframe total time: 3,515 hours
  • Last inspection: annual inspection, August 31, 1984; 42 hours since
  • Maximum gross weight: 4,629 lb
  • Seats: 4
  • Landing gear: fixed
  • Engine: Allison 250-C20B (turboshaft); 0 hours total

The flight

  • Departed from: N/A Leesburg FL at 8:45 pm
  • Destination: N/A Orlando FL
  • Runway 0

Weather at the time

  • Light: daylight
  • Wind: from 110° at 7 knots
  • Visibility: 7 statute miles
  • Sky: scat at 3,500 ft
  • Temperature: 0°F (-18°C), dew point 0°F (-18°C)
  • Altimeter: 30.00 inHg
  • Observation at 8:52 pm from ORL, 7 miles away

Injuries

FatalSeriousMinorNone
Crew3
Passengers1

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.

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.