FAA-Approved Airspeed Reductions by AFM Supplement for Aircraft with RAM Vortex Generators
Aircraft - Modification	HP	TOW (lbs)	AFMS		VMC		Stall Speeds (zero bank angle)- KIAS
							gear/flaps UP		gear DN/flaps 15o		gear DN/flaps 45o
			NO VGs	RAM VGs	NO VGs	RAM VGs	NO VGs	RAM VGs	NO VGs	RAM VGs	NO VGs	RAM VGs
335 - std.	300	5990	Cessna	FM1004		71		76		72		68
340 - std.	285	5975	Cessna	FM1004	84	71	76	n/a	72	n/a	69	n/a
340 - Series 1 (-J engines)	310	5975	1090	1090, FM1004	85	71	76	n/a	72	n/a	69	n/a
340 - Series 1 (-N or -NB engines)	310	5975	1091	1091, FM1004	85	71	76	n/a	72	n/a	69	n/a
340 - Series 2	310	6140	Mar. 9, 1988	FM1005	85	71	77	79	73	74	70	70
340 - Series 3 or 4	325	6290	1092	FM1006	85	72	84	81	77	76	73	71
340 - Series 6	335	6290	n/a	FM1014	n/a	72	n/a	81	n/a	76	n/a	71
340 - Series 6, TOW incr.	335	6390	n/a	FM1037	n/a	72	n/a	81	n/a	76	n/a	71
340 - Series 7	335	6390	n/a	1095	n/a	72	n/a	81	n/a	76	n/a	71
340A - std.	310	5990	Cessna	FM1004	82	71	83	76	76	72	71	68
340A - Series 2	310	6140	Jan. 12, 1988	FM1005	85	71	84	79	77	74	72	70
340A Series 3 or 4	325	6290	1094	FM1006	85	72	84	81	77	76	73	71
340A - Series 6	335	6290	n/a	FM1014	n/a	72	n/a	81	n/a	76	n/a	71
340A - Series 6, TOW incr.	335	6390	n/a	FM1037	n/a	72	n/a	81	n/a	76	n/a	71
340A - Series 7	335	6390	n/a	1095	n/a	72	n/a	81	n/a	76	n/a	71
402C - TOW incr.	325	7210	FM1038	FM1039	80	69	87	79	79	75	72	71
414 - Series 6	335	6510	n/a	FM1013	n/a	86	n/a	87	n/a	82	n/a	75
414 - Series 6, TOW incr.	335	6765	n/a	FM1030	n/a	74	n/a	85	n/a	80	n/a	75
414 - Series 7	335	6765	n/a	1087	n/a	74	n/a	85	n/a	80	n/a	75
414A - std.	310	6750	Cessna	FM1027	79	72	82	74	76	70	71	67
414A - TOW incr.	310	7105	n/a	FM1050	n/a	72	n/a	79	n/a	74	n/a	69
414A - winglets	310	7087	FM1074	FM1021	80	72	79	71	82	75	77	72
414A - Series 2	310	6900	Jul. 28, 1988	FM1028	81	74	83	75	77	71	72	68
414A - Series 2, TOW incr.	310	7105	n/a	FM1051	n/a	74	n/a	79	n/a	74	n/a	69
414A - Series 2, winglets	310	7087	FM1068	FM1022	80	72	79	71	82	75	77	72
414A - Series 3 or 4	325	6900	Mar. 26, 1990	FM1029	81	74	83	75	77	71	73	68
414A - Series 3 or 4, TOW incr.	325	7105	n/a	FM1052	n/a	74	n/a	79	n/a	74	n/a	69
414A - Series 3 or 4, AA	325	6900	FM1033	FM1034	81	74	83	75	77	71	72	68
414A - Series 3 or 4, winglets	325	7087	FM1067	FM1023	80	72	79	71	82	75	77	72
414A - Series 3 or 4, AA, winglets	325	7087	FM1035	FM1036	80	72	79	71	82	75	77	72
414A - Series 5	350	7105	n/a	1078	n/a	76	n/a	77	n/a	74	n/a	68
414A - Series 5, winglets	350	7087	FM1031	1026	80	69	79	72	82	74	77	70
414A - Series 7	335	7105	n/a	1083	n/a	74	n/a	79	n/a	74	n/a	69
414A - Series 7, winglets	335	7087	n/a	1080	n/a	72	n/a	71	n/a	75	n/a	72
421C - std.	375	7450	Cessna	FM1024	80	71	86	75	82	72	77	68
421C - TOW incr.	375	7560	Nov. 6, 1985	FM1025	80	71	87	76	83	73	78	69
421C - TOW incr., winglets	375	7560	Jul. 25, 1985	FM1032	80	73	86	77	82	74	77	69