# NTSB LAX84FA421: Fairchild Hiller FH-1100, N711KH, Meadview, AZ, July 29, 1984

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Field investigation · Final report
- Date: July 29, 1984, 10:20 local (18:20 UTC)
- Place: Meadview, AZ
- Coordinates: 36.020462, -114.290908 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=36.0205&lon=-114.2909&mi=10
- Phase of flight: [Unknown](https://openairdocs.org/ntsb-phases/990) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 3 fatal, 2 serious
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 23984
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX84FA421
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/23984/pdf
- Page: https://openairdocs.org/ntsb/LAX84FA421

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- In flight collision with object, unknown
  - clearance - misjudged, pilot in command (cause)
  - object - tree(s)

## Analysis

PURPOSE OF THE FLT WAS S SIGHTSEEING TOUR OF LAKE MEAD, HOOVER DAM AND THE WESTERN RIM OF THE GRAND CANYON. BEFORE REACHING THE CANYON THE FLT WAS TO TRAVEL OVER A 5500 FT MSL RIDGE. THE HELICOPTER CONTACTED A JUNIPER TREE AT THE BOTTOM OF A 3-SIDED CANYON AT 5020 FT MSL. EXAMINATION OF THE HELICOPTER AND ENG FAILED TO DISCLOSE ANY MECHANICAL FAILURE/MALFUNCTION.

## Aircraft

- Registration: [N711KH](https://openairdocs.org/deregistered/N711KH-2013-05-03), registration cancelled 2013-05-03, S/N 114, built 1968 (OpenAirDocs)
- Reported make and model: FAIRCHILD HILLER FH-1100
- Registry model: [Fairchild Hiller FH-1100](https://openairdocs.org/model/fairchild-hiller-fh-1100) (registry code 3376502) (OpenAirDocs)
- Registry engine: [Allison 250 SER 317HP](https://openairdocs.org/engine/allison-250-ser-317hp) (registry code 03011, turbo-shaft) (OpenAirDocs)
- Category: Helicopter
- Serial number: 114
- Airframe hours: 4799
- Engines: ALLISON 250-C20B 420 horsepower turbo shaft
- Damage: Destroyed
- Flight: Part 135
- Registered owner: Bauer Helicopters, Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, November 13, 1983, 93 hours before
- Departed: LAS, LAS VEGAS, NV
- Destination: LAS, LAS VEGAS, NV

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 23; commercial; airplane ratings: single-engine land; medical: class 1, valid medical--w/ waivers/lim; seat: right; toxicology performed

## Weather

- Conditions: Visual (VMC), Day
- Wind: 50° at 3 knots
- Visibility: 50 statute miles
- Lowest ceiling: 25,000 ft broken
- Temperature: 79 °F, dew point 63 °F
- Altimeter: 30.00 inHg

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19840729039619A](https://openairdocs.org/incident/19840729039619A), Jul 29, 1984: Hiller FH1100, Meadview, AZ, Destroyed, 2 fatal. Helicopter collided with tree during sightseeing flight. Could not determine if engine malfunctioned.

## Other investigations on N711KH (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 SEA75DTI01](https://openairdocs.org/ntsb/SEA75DTI01), Jul 15, 1974: Hiller Acft FH1100 (N711KH), Glacier Park, MT, substantial damage

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.

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