/*SHORT TITLE:  Codebook for SKYJACK File  */

        DESCRIPTION OF VARIABLES IN SKYJACK FILE

This file includes terrorist hijackings which appear in the COMMON file as
well as hijackings engaged in by non-terrorists.

YR.  Date of start of incident--year

The beginning of the incident is considered to be the date at the scene of
the incident in which it first became apparent to individuals other than
the initiators that a hijacking was taking place.

        Values:

        78    1978
        79    1979
         .
         .
        87       1987


MO.  Date of start of incident--month

See description for variable 1.

        Values:

        01  January
        02  February
         .
         .
        12  December
        99  Unknown month


DAY.  Date of start of incident--day

See description for variable 1.

        Values:

        01
         .
         .
        31
        99  Unknown day


IN_NUM.  Incident code number

A unique 2-digit code number is assigned to each discrete incident which
occurs on a given day.  Specific incidents may thus be accessed by calling
up the first 8 digits of an entry for an incident.  These eight digits link
the SKYJACK file to the COMMON, FATE, and HOSTAGE files, where appropriate.

        Values:

        00
        01
         .
         .
        99


S5.  Duration in hours

        Values:

        00    Less than 1 hour
        01-97 Actual hours
        98    Unknown, but more than 1 hour
        99    Unknown


Airline Information:

S6.  Type of plane

        Values:

        001 BAC-111
        002 Twin-engined Malev
        003 DC-3
        004 DC-4
        005 DC-10
        006 DC-6, DC-6B
        007 F-7
        008 Catalina flying boat
        009 Dakota
        010 Piper Apache PA10
        011 Vickers Viscount
        012 Constellation
        013 YAK-12
        014 Piper Apache PA10
        015 Ilyushin IL-14
        016 VC-10
        017 FH-227
        018 DC-8
        019 DC-9
        020 B-720
        021 Cessna 210
        022 Antonov AN-2
        023 Piper Apache PA23
        024 Antonov AN-24
        025 HS 125 air taxi
        026 YS-11 twin turboprop
        027 Fokker F-27
        028 Ilyushin 18
        029 YS-11A
        030 YAK 40
        031 Viscount 810
        032 Cessna 310
        033 Cessna 150
        034 Comet IV
        035 Cessna 206
        036 Cessna Skymaster 336
        037 DH 114
        038 A-300 Airbus
        039 L-410
        040 Cessna 9-passenger 402
        041 C-141
        042 Islander BN2A
        043 Grumman Goose 73
        044 Convair twin-engine VC 440
        045 4-engined plane, not further identified
        046 C-46
        047 C-47
        048 Hawker Siddeley twin-engined turboprop 748
        049 L-1049 Super Constellation
        050 TU-104
        051 Lockheed Electra
        052 Junkers 52
        053 Beechcraft C-45
        054 Ilyushin twin-engined 14
        055 Beechcraft D-80
        056 TU-134
        057 DeHavilland Heron 157
        058 Convair 580
        059 Caravelle 50
        060 CV-600
        061 DeHavilland Twin Otter
        062 Lockheed L-1011 TriStar
        064 CV-640
        065 Zlin cropduster
        066 Saunders ST-27
        067 SC-7
        068 Aero Commander Hawk 681
        070 Boeing 707
        071 B-727
        072 Cessna 172
        073 B-737
        074 B-747 jumbo jet
        075 Trident
        077 Cessna 177
        078 AVRO 748
        079 Piper Cherokee 140
        080 Convair CV-880
        081 Piper Commanche
        082 Cessna 182
        085 twin-engined Cherokee
        086 F-862
        087 Piper twin-engined Seneca
        088 Electra L-188
        089 Cessna 180
        090 helicopter
        091 Caravelle not further identified
        092 twin-engined plane, not further identified
        093 Viscount 4-engined turboprop
        094 Fokker twin-engined plane
        095 Beechcraft plane, not further identified
        096 Piper twin-engined Navajo
        097 Convair plane, not further identified
        098 Convair 990
        099 Piper twin-engined plane
        100 Fokker Friendship
        101 A-310 Airbus
        102 Metroliner twin-engined plane
        103 B-3 military plane
        105 Commander-500 S
        124 IL-24
        127 B-727-200
        130 C-130 military plane
        131 Aztec, twin-engined cropduster
        132 Aviocar
        133 DeHavilland Dash-7
        134 Martin 404
        135 Tupoler TU-54
        136 Ilyushin IL-86
        137 Ilyushin 76T
        138 TU-154
        139 twin-engined Cessna
        140 Fokker 28
        141 HK-3184 Helicopter
        142 Antonov AN-26
        143 Bell Jet Ranger Helicopter
        144 unidentified Cessna
        145 Fokker ATR-42
        999 Unknown


S7.  Airline company

Airlines appear by region, in the order in which they were first hijacked.
(This variable includes the same information, but is coded somewhat
differently than its predecessors in ITERATE 1 and 2.  ITERATE 2 codes
appear to the right of the entries.)  Firms which are not identified as
being general aviation carriers fly regularly-scheduled flights.  Such
American firms became subject to mandatory passenger screening in 1973.

        The regional organization of this variable is:
        
        000-199 US companies
        200-399 European companies
        400-499 Middle Eastern companies
        500-599 Latin American companies
        600-699 Far East and Asian companies
        700-799 Eastern bloc companies
        800-899 African companies
        900-998 Other companies
        999     Unknown

Specific Values:

        000 National Airlines                                           027
        001 Eastern Air Lines                                           028
        002 PAC Pacific Air Lines                                       029
        003 Continental Air Lines                                       030
        004 Pan Am                                                      031
        005 American Aviation                                           035
        006 local US                                                    038
        007 Hawaiian Airlines                                           040
        008 Aloha Airlines                                              041
        009 Crescent Airlines, a US charter                             048
        010 Delta Airlines                                              049
        011 Southeast Airlines                                          052
        012 Northwest Orient Airlines                                   053
        013 TWA, Trans World Airlines                                   054
        014 Island City Flying Service, a US charter                    055
        015 Naples Airlines, a US charter                               057
        016 Key West Airlines, a US charter                             061
        017 United Airlines                                             065
        018 Northeast Airlines                                          072
        019 Texas International                                         073
        020 Caldwell Aviation Corporation, a US charter                 104
        021 North Central Airways                                       105
        022 American Air Lines                                          109
        023 Allegheny Airlines                                          125
        024 PRINAIR Puerto Rican International Airlines                 126
        025 Western Airlines                                            130
        026 American Air Taxi, a US charter firm                        131
        027 private US plane                                            132
        028 Hughes Air West                                             135
        029 Piedmont Airways                                            137
        030 Braniff                                                     139
        031 Big Brother, Inc., a US general aviation firm               141
        032 Wein Consolidated Salta                                     142
        033 Pacific Southwest Airlines                                  148
        034 SFO Helicopter Company, US general aviation                 149
        035 Mohawk Airlines                                             150
        036 Chalk's Flying Service, US general aviation                 152
        037 Tortugas Airways, a US general aviation firm                153
        038 Puerto Rican commuter flight firm                           156
        039 Frontier Airlines                                           157
        040 Alaska Airlines                                             158
        041 Southern Airways                                            168
        042 Ozark Airways                                               171
        043 JDJ Flying Service, a US charter firm                       174
        044 Trans-International Airways, US charter firm                176
        045 Wall Street Helicopters, US general aviation                186
        046 Air Charter, Inc., a US general aviation firm               187
        047 Big Horn Airways, a US general aviation firm                188
        048 Tampa Flying Service, US general aviation                   193
        049 Air New England                                             195
        050 Sawyer Aviation, a US general aviation firm                 196
        051 Hi Lift Helicopters, US general aviation                    197
        052 Atlanta Aero, a US general aviation firm                    201
        053 Tri State Aero, a US general aviation firm                  202
        054 California Air Charter, US general aviation                 203
        055 Heinzmann Engineering Company, general avia.                206
        056 Royal American Flyers, US general aviation                  207
        057 Gulf Air                                                    210
        058 Rio Airways
        059 United States Mail Service
        060 Capital Airlines
        061 New York Air
        062 Marco Island Airways
        063 Fostaire Helicopter, a US general aviation firm
        064 Global International Airways
        065 Florida Air
        066 Republic Airlines
        067 Eastern Metro Express
        068 People's Express
        069 Aris Helicopter Limited, a US general aviation firm
        070 Canadian Pacific Air
        071 Horizon Air
        200 local Greek                                                 009
        201 Transportes Aeros, a Portuguese firm                        032
        202 local French                                                034
        203 KLM  Royal Dutch Airways                                    036
        204 Portuguese military plane                                   037
        205 British charter                                             045
        206 Air Canada                                                  059
        207 Olympic Airways, a Greek firm                               063
        208 DIA, a Portuguese firm                                      074
        209 Turkish Airways                                             083
        210 Air Icelandic                                               093
        211 Iberian Airways, a Spanish firm                             096
        212 Alitalia                                                    110
        213 Etapa Air Taxi, a Portuguese firm                           115
        214 Swissair                                                    120
        215 BOAC  British Overseas Airways                              121
        216 indeterminate Swiss firm                                    129
        217 Transair-Midwest, a Canadian firm                           133
        218 SAS Scandinavian Airlines System, Swedish                   134
        219 Finnair                                                     138
        220 Lufthansa                                                   151
        221 Sabena                                                      160
        222 Scanair                                                     163
        223 UTA, a French firm                                          164
        224 Aero Transporti Italiani                                    167
        225 Quebec Air                                                  169
        226 Pacific Western, a Canadian firm                            170
        227 Air Inter Airlines, a French firm                           172
        228 Air France                                                  179
        229 Irish Helicopters, Inc.                                     180
        230 British Airways                                             183
        231 Dundalk Aero Club, an Eire firm                             190
        232 Canadian Pacific Airlines                                   192
        233 TAP, a Portuguese firm                                      205
        234 Aer Lingus, an Eire firm                                    209
        235 Braathen Airlines
        236 Sfair Freight Company, a French general aviation firm
        400 local Egyptian                                              043
        401 El Al                                                       056
        402 Misrair, an Egyptian firm                                   080
        403 Iranian National Airlines                                   112
        404 Saudi Arabian Airlines                                      113
        405 Air Algerie                                                 119
        406 Egyptian Airlines                                           122
        407 Indian Airlines                                             128
        408 ALIA  Royal Jordanian Airlines                              140
        409 Pakistan International Airlines                             145
        410 Al Yemda, a South Yemeni firm                               166
        411 MEA  Middle East Airways, an Egyptian firm                  175
        412 Yemen Airways                                               178
        413 Air India                                                   194
        414 Libyan Arab Airlines                                        208
        415 Air Kuwait                                                  212
        416 Iranian military
        417 Libyan military
        418 Royal Air Maroc
        419 Air Tunisia
        420 Middle East Airlines, a Lebanese firm
        421 Lebanese military
        422 Asseman Airlines, a Iranian firm
        424 Iraqi Airways
        425 Ariana Afghan Airlines
        500 local Peruvian                                              001
        501 Faucett, a Peruvian firm                                    002
        502 local Bolivian                                              017
        503 Cubana                                                      019
        504 local Haitian                                               021
        505 Aerovias, a Cuban firm                                      022
        506 Panair do Brazil                                            023
        507 Cuban general aviation firm                                 024
        508 AVENSA                                                      033
        509 Cuban military plane                                        039
        510 Aerocondor, a Colombian firm                           042, 046
        511 AVIANCA                                                     047
        512 local Mexican                                               050
        513 VIASA, Venezuelan Airlines                                  051
        514 Island Flying Service, a Bahamas charter                    058
        515 Aeromaya, a Mexican firm                                    060
        516 SEASA, a Mexican firm                                       062
        517 CMA, a Mexican firm                                         064
        518 ASPA, a Venezuelan firm                                     066
        519 Ecuatoriana International                                   067
        520 SAM  Sociedad Aeronautica de Medellin, Col. 068
        521 local Venezuelan                                            069
        522 Aeropostal, a Venezuelan firm                               070
        523 Ecuadorian Airlines                                         071
        524 La Urraca, a Colombian firm                                 075
        525 SAETA, an Ecuadorian firm                                   076
        526 Mexicana de Aviacion                                        077
        527 Nicaraguan Airlines                                         078
        528 TAME, an Ecuadorian firm                                    081
        529 SAHSA, a Honduran firm                                      082
        530 Cruzeiro do Sul, a Brazilian firm                           084
        531 Aerotaxi Airlines, a Colombian charter                      085
        532 LANICA, Lancia, a Nicaraguan firm                           086
        533 VARIG, a Brazilian firm                                     087
        534 Austral, an Argentine firm                                  089
        535 LAN, a Chilean firm                                         090
        536 Chilean Airlines                                            091
        537 Mexican general aviation                                    092
        538 LACSA, a Costa Rican firm                                   095
        539 RAPSA, a Panamanian firm                                    097
        540 Netherlands Antilles Airlines                               098
        541 British Honduran general aviation                           101
        542 Costa Rican National Airways                                103
        543 VASP Viacao Aerea de Sao Paulo, a Brazil firm               106
        544 British West Indies Airlines, Trin & Tobago                 107
        545 Aeronaves de Mexico                                         116
        546 Trans-Caribbean Airways                                     117
        547 Aerovia Quisqueyana, a Dominican firm                       127
        548 Bolivian military plane                                     143
        549 Arawak, a Trinidad and Tobago firm                          144
        550 Lloyd Air Boliviano                                         146
        551 Alas Del Caribe Air, a Dominican firm                       147
        552 Jamaica Air Taxi, Ltd., general aviation                    154
        553 Empress Ecuatoriana de Aviacion                             161
        554 Aero Opita Tao, Opita Air Taxi, Colombian                   165
        555 local Argentine                                             177
        556 Air Jamaica                                                 181
        557 Aeropesca, a Colombian firm                                 182
        558 Cessnica, a Colombian general aviation firm                 185
        559 Haiti Air Inter                                             200
        560 Aces Airlines, Colombian general aviation                   204
        561 Ladeco, a Chilean firm                                      211
        562 National Transport Enterprise, general aviation
        563 Salas Air Taxi, general aviation
        564 Aeronica, a Nicaraguan firm
        565 local Honduran
        566 Aerotal, a Colombian firm
        567 SANSA, a Colombian firm
        568 private Nicaraguan
        569 Colombian military
        570 Aerolinas Argintines
        571 ARCO, A Uruguayan firm
        572 Aeromexico
        573 Nicaraguan commuter
        574 Central Airlines of Colombia
        575 Nicaraguan Airlines
        576 Varig-Cruceiro, a Brazilian firm
        577 Suriname Airways
        578 Helitaxi, a Colombian general aviation firm
        579 Nicaraguan Military
        580 Helicol Bell
        581 ALM
        590 Gum Air, a Suriname firm
        600 Cathay-Pacific                                              008
        601 China National Aviation Corporation                         011
        602 PAL  Philippine Air Lines                                   015
        603 Korean National Airlines, a South Korean firm               018
        604 Trans-Australia                                             025
        605 East-West Airlines, an Australian firm                      088
        606 JAL  Japan Air Lines                                        102
        607 Ansett Airlines, an Australian firm                         108
        608 Air Vietnam, a South Vietnamese firm                        114
        609 All Nippon Airways                                          118
        610 Bira Air Transport, Thai general aviation                   124
        611 Merpati Nusuntara Airlines, Indonesian firm                 155
        612 Royal Nepalese Airlines                                     173
        613 Far Eastern Air Transport, a Taiwanese firm                 191
        614 Australian military plane                                   199
        615 Thai Airways Company                                        213
        616 Malaysian Airlines Systems                                  214
        617 CAAC, Civil Aviation Administration of China
        618 Air New Zealand
        619 Bangladesh Airlines
        620 Gauda Airlines, an Indonesian firm
        621 China Airlines
        622 Nanchang-Fuchow Airlines, a Chinese firm
        623 Burmese Airways
        700 local Romanian                                              003
        701 local Czechoslovakian                                       004
        702 local Yugoslavian                                           005
        703 Soviet-Romanian Airways                                     006
        704 local Bulgarian                                             007
        705 local Hungarian                                             010
        706 LOT (a Polish firm)                                         012
        707 local Polish                                                013
        708 Yugoslavian National Airlines                               014
        709 CSA Czechoslovakia National Airlines                        016
        710 Czech general aviation charter firm                         020
        711 local USSR                                                  026
        712 Interflug, an East German firm                              100
        713 Aeroflot                                                    111
        714 TAROM, a Romanian firm                                      123
        715 Slovair, a Czech firm                                       159
        716 Balkan Airlines, a Bulgarian firm                           198
        717 Irkutsk Aviation Enterprise
        800 Nigerian Airlines                                           044
        801 Ethiopian Airlines                                          079
        802 Angolan Air Taxi, a general aviation firm                   136
        803 South African Airlines                                      162
        804 East African Airways, a Kenyan firm                         163
        805 an Angolan charter firm                                     189
        806 Air Afrique
        807 Tanzanian Airways
        808 Kenyan military
        809 Ethiopian Air Force
        810 Somali Airlines
        811 Ugandan Airlines
        900 Red Cross
        999 Unknown, indeterminate                                      099


Location of Incident:

S8.  Flight plan embarkation point

When it cannot be determined from sources where the flight began, the value
for this variable will be identical to that used for the embarkation point
of the hijacker.

        Values:

        (Same country codes as used for Variable 4 in COMMON file)


S9.  Hijacker embarkation point

When it cannot be determined where the hijacker boarded the plane, the last
known refueling/stopoff location for the flight is entered.

        Values:

        (Same country codes as used for Variable 4 in COMMON file)


S10. Flight plan end point

Takeovers of nonscheduled flights (i.e., planes being serviced on the
ground, with no crewmen on board) are listed as ending in the country of
takeover.

        Values:

        (Same country codes as used for Variable 4 in COMMON file)


S11. Hijacker desired end point

The location need not be identical to the name of the city at which the
hijacker finally left the plane.

        Values:

        (Same country codes as used for Variable 4 in COMMON file)


S12. Number of stopovers and refuelings

This variable notes the number of stops between the point of hijacking and
the end of the incident.  In cases where the incident ended at a location
considered by the hijacker to be a refuelling point, rather than a point of
his chosen embarkation, a value of 1 is added to the tally of previous
stopovers.

        Values:
        
        0-8  Actual number
        9    More than 8 stopovers


Number of Individuals Involved:

S13. Crew members

Crew members include stewardesses as well as pilots, co-pilots, and
navigators.  Planes which are on the ground being serviced have no crewmen
on board.

        Values:
        
        00-98  Actual number
        99        Unknown


S14. Individuals on board plane

This figure includes hijackers, crewmen, passengers, skymarshals, and other
personnel.

        Values:
        
        00-97  Actual number
        98     More than 97
        99     Unknown


S15. Hijackers

Unarmed members of the hijackers' family, such as children, are not
included in this tally.  Accomplices on the ground who aid the hijackers in
providing weapons, entry, etc., but do not participate in the attack are
also not counted.

        Values:
        
        00-98  Actual number
        99     Unknown


S16. Number wounded

Wounded includes those who are reported to have been sufficiently harmed
physically to have required medical attention.  No distinction is made
between those who are out-patients and those who are rescued from the
critical list.  Those who later die from their injuries are coded as dying,
rather than wounded.  The tally includes police, crew, passengers,
hijackers, and others.

        Values:
        
        00-96  Actual number
        97     More than 96
        98     Unknown, but some individuals were wounded
        99     Unknown


S17. Hostages wounded

        Values:
        
        00-96  Actual number
        97     More than 96
        98     Unknown, but some individuals were wounded
        99     Unknown


S18. Hijackers wounded

        Values:
        
        00-96  Actual number
        97     More than 96
        98     Unknown, but some individuals were wounded
        99     Unknown


S19. Crew wounded

        Values:
        
        00-96  Actual number
        97     More than 96
        98     Unknown, but some individuals were wounded
        99     Unknown


S20. Number killed

        Values:
        
        00-96  Actual number
        97     More than 96
        98     Unknown, but some individuals were killed
        99     Unknown


S21. Hostages killed

        Values:
        
        00-96  Actual number
        97     More than 96
        98     Unknown, but some individuals were killed
        99     Unknown


S22. Hijackers killed

        Values:
        
        00-96  Actual number
        97     More than 96
        98     Unknown, but some individuals were killed
        99     Unknown


S23. Crew killed

        Values:
        
        00-96  Actual number
        97     More than 96
        98     Unknown, but some individuals were killed
        99     Unknown


S24. Damage to plane

        Values:
        
        0  None
        1  Slight - less than or equal to $10,000
        2  Moderate - less than or equal to $100,000
        3  High - less than or equal to $1 million
        4  Severe       - more than $1 million
        9  Unknown, but damage reported


S25. Logistical success of hijacking incident

        Values:
        
        1 Incident stopped by authorities at planning stage
        2 Incident stopped by authorities at scene or on the way to scene, 
          before initiation
        3 Aborted by hijackers during event
        4 Unsuccessful owing to faults or error by hijackers
        5 Stopped by authorities at the scene after initiation
        6 Apparently completed as planned
        9 Unknown


S26. Negotiation success of hijacking incident

        Values:
        
        1 Received some of their demands
        2 Received all of their demands
        3 Received none of their demands
        8 Irrelevant, no demands made
        9 Unknown


S27. Type of weapon

The most destructive weapon of all of those known to be in the possession
of the perpetrators at the scene of the incident is noted.

        Values:
        
        1  Hoax, no weapons used
        2  Non-explosive, non-projectile weapons, including knives
        3  Handguns
        4  Rifles, shotguns, or machine guns
        5  Explosives, incendiaries
        6  Missiles, other heavy projectiles
        7  Other
        9  Unknown