# Accident 20041102029139A: Snias AS350B3, Sierra Vista, AZ, November 2, 2004

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: November 2, 2004, 07:45 local time
- Place: Sierra Vista, AZ
- Damage: Substantial damage
- Phase of flight: Forced/Precautionary Landing
- Operating rules: Air taxi and commuter (Part 135)
- Operator: A1UA
- Location: 33.4500° N, 111.7167° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=33.4500&lon=-111.7167&mi=10
- Aircraft: N106LN, a cancelled registration (https://openairdocs.org/deregistered/N106LN-2013-12-09) (OpenAirDocs)
- Registry model: Eurocopter AS 350 B3 (registry code 8680954, https://openairdocs.org/model/eurocopter-as-350-b3) (OpenAirDocs)
- Registry engine: Turbomeca ARRIEL-1SER (registry code 60030, https://openairdocs.org/engine/turbomeca-arriel-1ser) (OpenAirDocs)
- Reported make and model: SNIAS AS350B3
- Reported engine: TMECA ARRIEL2B
- People aboard: 3
- Fatal injuries: 0
- Pilot flight hours: 9,992 total, 65 in this make and model, 60 in the last 90 days
- NTSB investigation: [NTSB LAX05LA025](https://openairdocs.org/ntsb/LAX05LA025) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20041102029139A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(-23) THE PILOT WAS RESPONDING TO AN EMS CALL WHEN HE TOOK-OFF FROM THE DESIGNATED HELI-PAD ON THE ROOF TOP OF SIERRA VISTA REGIONAL HOSPITAL. AFTER AN APPROX. FIFTY (50) FOOT VERTICAL ASCENT, THE PILOT TIPPED THE NOSE OF THE HELICOPTER FORWARD TO ENTER TRANSLATIONAL LIFT. AT APPROX. 35 KIAS AND 150-200 FT (AGL) HE WAS APPROX. TEN (10) SECONDS INTO FORWARD FLT. WHEN THE TURBINE (PRIME MOVER) RAPIDLY WENT TO GROUND IDLE. THE PILOT WAS ABLE TO MAKE A "RUNNING" EMERGENCY LANDING IN A BANK'S PARKING LOT. THE HELICOPTER TOUCHED DOWN WITH APPROX. 20 KIAS AND SLID STRAIGHT FOR APPROX. 90 FT, THEN SKEWED LEFT 90 DEGREES UNTIL COMING TO REST UPRIGHT. THE MAIN ROTOR DID NOT CONTACT ANY OBJECT AND NEITHER THE PILOT OR MEDICAL CREW MEMBERS SUSTAINED ANY INJURIES. THERE WAS NO POST-EVENT FIRE OR INJURY TO ANY PEDESTRIAN/PROPERTY. THE HELICOPTER'S AIRFRAME WAS, HOWEVER, SUBSTANTIALLY DAMAGED INCLUDING THE AFT FUSELAGE SECTION, THE TAIL CONE, THE LWR VERT. FIN, BOTH LANDING SKIDS, AND THE TAIL ROTOR DRIVE SYSTEM.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX05LA025](https://openairdocs.org/ntsb/LAX05LA025), Nov 2, 2004: Eurocopter AS350B3 (N106LN), Sierra Vista, AZ, substantial damage. Probable cause: An inconsistency between the engines' two N2 sensor signals caused the fuel control to enter a fixed mode, which limited the power available. Contributing to the accident was the lack of altitude and…

## Other reports on N106LN (1)

Matched to the same aircraft by N-number and date.

- [Accident 20130607013579A](https://openairdocs.org/incident/20130607013579A), Jun 7, 2013: Eurocopter AS 350 B3 (N106LN), Grand Praire, TX, Substantial damage. On 06/07/2013 at 2140 local time an Eurocopter as 350 B3, owned by cfs air LLC., operated by qmla air methods under part 135. Was involved in an accident after…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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