Pilot reported engine trouble on the way to Bergstrom International Airport, didn't make it

Authorities have released the names of two people who died on Thursday after their Cessna 421C (C421B file photo below) crashed as it attempted to make an emergency landing.

Texas' Department of Public Safety have identified the dead as Palmer Swift Haines, 62,  of Camp Wood, and Margaret Cardwell, 82, of Austin. A second passenger, James Cardwell, 49 and also of Austin, is hospitalized in critical condition.

The twin crashed after developing engine trouble and trying to make Lakeway Airpark.  The flight originated from Angel Fire and was headed to Bergstrom International Airport when it diverted after reporting the emergency.

IDENTIFICATION
  Regis#: 7290M        Make/Model: C421      Description: 421, Golden Eagle, Executive Commuter
  Date: 09/23/2004     Time: 2118

  Event Type: Accident   Highest Injury: None     Mid Air: N    Missing: N
  Damage: Destroyed

LOCATION
  City: AUSTIN                      State: TX   Country: US

DESCRIPTION
  ACFT, ON IFR ARRIVAL TO AUSTIN TX (AUS), DECLARED AN EMERGENCY DUE TO A
  ROUGH ENGINE. ACFT LOST ALTITUDE AND CRASHED 4 MI SE OF LAKEWAY AIRPARK
  (3R9). ACFT IS DESTROYED AND NO INJURIES ARE REPORTED. AUSTIN, TX

INJURY DATA      Total Fatal:   0
                 # Crew:   1     Fat:   0     Ser:   0     Min:   0     Unk:   
                 # Pass:   3     Fat:   0     Ser:   0     Min:   0     Unk:   
                 # Grnd:         Fat:   0     Ser:   0     Min:   0     Unk:   

WEATHER: 232053Z 01007KT 10SM SCT060 SCT200 33/19 A2997                              
                                                                                     
OTHER DATA
  Activity: Unknown      Phase: Cruise      Operation: General Aviation

  Departed: ANGEL FIRE, NM  AXX         Dep Date: 09/23/2004   Dep. Time: 2118
  Destination: AUSTIN, TX AUS           Flt Plan: IFR          Wx Briefing: U
  Last Radio Cont: RADAR WEST
  Last Clearance: FLY HEADING 28.7

  FAA FSDO: SAN ANTONIO, TX  (SW17)               Entry date: 09/24/2004

FMI: www.3r9.org, www.ntsb.gov