Les avis peuvent bien sûr diverger sur cette question, mais on peut citer
le classement suivant, synthèse d'autres classements :
| Cas |
Année |
Type (Hynek) |
Etrangeté (/5) |
Indices |
|
| enregistrés |
physiques |
constatés |
Enquête |
| Radar |
Film |
Photo |
Résidus |
Traces |
Visuelle |
EM |
Non identifié |
Identifié |
| Trindade |
1958 |
DD |
4 |
0 |
0 |
4 |
0 |
0 |
48 |
0 |
|
|
| Minot |
1968 |
DD |
3 |
2 |
0 |
0 |
|
|
15 |
1 |
|
|
| Lakenheath |
1956 |
LN |
2 |
4 |
0 |
0 |
0 |
0 |
n |
0 |
Condon, Gordon D. Thayer (AIAA) |
|
| RB-47 |
1957 |
RR2 |
2 |
2 |
0 |
0 |
0 |
0 |
6 |
0 |
McDonald |
|
| Tehéran |
1976 |
RR2 |
3 |
3 |
0 |
0 |
|
0 |
5 |
3 |
DIA |
|
| Cocoyoc |
1973 |
RR2 |
3 |
0 |
0 |
3 |
0 |
0 |
3 |
0 |
APRO, MUFON |
|
| Great Falls |
1950 |
DD |
2 |
0 |
1 |
0 |
0 |
0 |
2 |
0 |
ATIC, Condon |
|
| McMinnville |
1950 |
DD |
4 |
0 |
0 |
2 |
0 |
0 |
2 |
0 |
Condon, Maccabee, McDonald |
Klass |
| Chauvet |
1952 |
DD |
4 |
0 |
0 |
4 |
0 |
0 |
1 |
0 |
Guérin |
|
| Duboc |
1994 |
RR1 |
3 |
1 |
0 |
0 |
0 |
0 |
3 |
0 |
SEPRA |
|
| Vancouver |
1981 |
DD |
3 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
Haines |
|
| Levelland |
1957 |
RR2 |
2 |
0 |
0 |
0 |
|
0 |
15 |
Oui |
Hynek, Lagarde |
|
| Chesapeake Bay |
1952 |
DD |
2 |
0 |
0 |
0 |
|
0 |
2 + (6 + 2) |
0 |
Blue Book |
Menzel |
| Boianai |
1959 |
RR1 |
3 |
0 |
0 |
0 |
|
0 |
38 |
0 |
McDonald |
|
| Fort Itaipú |
1957 |
RR2 |
3 |
0 |
0 |
0 |
|
2 |
2 + n |
1 |
|
|
| Vol 117 |
1950 |
RR1 |
2 |
0 |
0 |
0 |
|
0 |
14 |
0 |
Keyhoe, McDonald |
|
| Coyne (Mansfield, Ohio) le (collision évitée depuis hélicoptère) |
1973 |
|
2 |
|
0 |
0 |
|
0 |
9 |
|
|
|
| Betty & Barney Hill |
1961 |
RR1 + RR3 |
3 |
0 |
0 |
0 |
|
0 |
2 (hyp) |
0 |
|
|
| Exeter (New Hampshire) le (plusieurs policiers) |
1965 |
|
|
|
|
|
|
|
3 |
|
|
|
| Ravenna (Comté de Portage, Ohio) le (prise en chasse par plusieurs policiers) |
1966 |
|
2 |
|
|
|
|
|
|
|
|
|
| Fogarty (Nouvelle Zélande) (multiple RV) |
1978 |
|
2 |
|
1 |
|
|
|
|
|
|
|
| Lubbock |
1951 |
LN |
1 |
|
|
5 |
0 |
|
|
|
|
|
| Tremonton |
1952 |
DD |
1 |
0 |
1 |
0 |
|
0 |
4 |
0 |
GSW |
Robertson, Hartmann, (Ruppelt) |
| Soccorro |
1964 |
RR3 |
4 |
0 |
0 |
0 |
|
1 |
1 |
0 |
|
|
| Washington (DC) les (aéroport national de Washington), enquêté par la commission Condon |
1952 |
|
2 |
2 |
|
|
0 |
0 |
|
|
|
|
| Mont Rainier |
1947 |
DD |
2 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
|
|
| Rapid City (Dakota du Sud) les (RV multiples avec jet), enquêté par la commission Condon |
1953 |
LN |
2 |
Oui |
|
|
|
|
|
|
|
|
| Red Bluff |
1960 |
|
|
|
|
|
|
|
|
|
|
|
| Willis Sperry |
1950 |
RR1 |
1 |
|
|
|
|
|
|
|
|
|
| Trans-en-Provence |
1981 |
RR2 |
4 |
0 |
0 |
0 |
|
2 |
1 |
0 |
GEPAN |
|
| Kinross AFB (disparition de jet) |
1953 |
RV |
1 |
1 |
0 |
0 |
2 (épave avion + objet non identifié) |
0 |
? |
0 |
Keyhoe |
|
| Clare Booth Luce |
1954 |
RR1 |
2 |
0 |
0 |
0 |
0 |
0 |
1+ 1000s |
0 |
McDonald |
|
| Goose Bay |
1954 |
|
|
0 |
0 |
0 |
|
|
2 |
0 |
|
Condon |
| Wilcox dans le New Jersey avec long dialogue |
1964 |
RR3 |
5 |
|
|
|
|
|
|
|
|
|
| Chiles-Whitted |
1948 |
|
|
|
|
|
0 |
|
2 |
|
|
|
| Ubatuba (Brésil), enquêté par la commission Condon |
1957 |
- |
2 |
0 |
0 |
0 |
1 |
0 |
(0) |
0 |
|
|
| Salem |
1952 |
RR1 |
1 |
0 |
0 |
1 |
0 |
|
1 |
0 |
|
|
| Emil J. Smith |
1947 |
RR1 |
1 |
0 |
0 |
0 |
0 |
|
3 |
0 |
McDonald |
|
| Rex Heflin / Santa Anna |
1965 |
RR2 |
4 |
0 |
0 |
4 |
0 |
0 |
1 |
1 |
|
|
| Mantell |
1948 |
RR1 |
1 |
0 |
0 |
0 |
0 |
|
n |
0 |
|
|
| Roswell |
1947 |
- |
2 |
0 |
0 |
0 |
n |
? |
>= 2 |
0 |
Bourdais (HET), Friedman (HET) |
Jeffreys |