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Service Letters

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Filter by Airframe or Float Model
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SL# Description A/C or Float Model Serial Numbers Rev Date Related
Service Kits
6000A - Beaver MKI, MKIII
60001-60006,60011,60012
04/26/1983
6000A - Beaver MKI, MKIII
60001-60006, 60011-60014
04/26/1983
6000A - Beaver MKI, MKIII
60001-60012, 60015,60016
04/26/1983
3730, C185, C206, 6000A - Beaver MKI, MKIII
0-37614, 0-60030
11/07/1984
C206 per STC SA18GL
Thru 37614 or inst. prior to 11-29-83
11/29/1983
6000A - Beaver MKI, MKIII
60001-60038
08/15/1984
6000A & 8000A Floats
60001 thru 60044
12/26/1984
6000A - Beaver MKI, MKIII
60001-60054
11/25/1985
3730 - C185, C206, 6000A - Beaver MKI, MKIII
37636 & down 60050 & down
3730, C206, 6000A - Beaver MKI, MKIII
37636 & down, 60050 & down
3730 - C185, C206, 6000A - Beaver MKI, MKIII, 8000A - Caravan
37652 & down, 60078 & down, 80006 & down
06/09/1987
8000, 8750, 10000, 7000, 6000, 6100
87078 & down, 10144 & down
Rev: B
01/02/2015
All
All amphib floats with electric hyd. pump mounted in floats or on firewall
08/04/1987
All
All floats with nylon plastic pump out tubes
08/13/1987
Beaver MKI, MKIII
Beaver MK I & MK III with pilot and Co-Pilot seats installed per STC SA711GL
10/19/1988
Beaver MKI, MKIII
Beaver MK I & MK III with pilot and Co-Pilot seats installed per STC SA711GL
Rev: 1
09/11/2026
C208 Caravan with 8000 floats
2080114 & up
10/26/1988
Beaver MKI, MKIII
Beaver MK I & MK III with pilot and Co-Pilot seats installed per STC SA711GL
10/27/1988
8000, Caravan
C208 Caravan with 8000 floats built before 1-1-90
01/15/1990
4000's on C206 a/c STC SA1483GL
40003-40026
01/01/1985
C208 Caravan with 8000 floats
80001-80026, 80029-80034
C208 Caravan with King autopilot & 8000A floats installed
09/23/1991
C206 or C185 with 4000 floats
40001-40016, 40019-40022, 40025-40054, 40057-40060, 40074-75
05/01/1992
3730A - C185, C206
Rev: B
09/16/2016
4000, 6000, 8000
40072A & down, 60210A & down, 80048A & down
10/10/1992
4000,6000,8000 floats
All
03/23/1993
Cessna 208 Caravan
2080001 & up
06/06/1993