AD 83-07-12 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | B-N Group Ltd. | BN-2 | Airworthiness Directives; Pilatus Model BN-2, BN2A, and BN-2B and BN-2A MK III Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A | Airworthiness Directives; Pilatus Model BN-2, BN2A, and BN-2B and BN-2A MK III Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-2 | Airworthiness Directives; Pilatus Model BN-2, BN2A, and BN-2B and BN-2A MK III Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-20 | Airworthiness Directives; Pilatus Model BN-2, BN2A, and BN-2B and BN-2A MK III Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-21 | Airworthiness Directives; Pilatus Model BN-2, BN2A, and BN-2B and BN-2A MK III Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-26 | Airworthiness Directives; Pilatus Model BN-2, BN2A, and BN-2B and BN-2A MK III Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-27 | Airworthiness Directives; Pilatus Model BN-2, BN2A, and BN-2B and BN-2A MK III Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-3 | Airworthiness Directives; Pilatus Model BN-2, BN2A, and BN-2B and BN-2A MK III Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-6 | Airworthiness Directives; Pilatus Model BN-2, BN2A, and BN-2B and BN-2A MK III Series Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-8 | Airworthiness Directives; Pilatus Model BN-2, BN2A, and BN-2B and BN-2A MK III Series Airplanes |
Unsafe Condition
Erosion of the wing tip tank fuel transmitter floats could restrict fuel flow and result in the loss of power.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 100 hours time-in-service after the effective date, and every 100 hours time-in-service thereafter, remove and visually inspect the floats for cracking, fretting, or erosion per Pilatus SB No. BN-2/SB.154. Replace floats with cracks/fretting/erosion before further flight. Drain affected tanks, clean filters/system if excessive erosion found. Adjust inspection intervals up to 10% for maintenance coordination. Equivalent methods require FAA approval.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 100 hours time-in-service after the effective date of this AD and thereafter at intervals not to exceed 100 hours time-in-service
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pilatus Britten-Norman Ltd. Model BN-2, BN2A, BN-2B Islander Series with wing tip fuel tanks and BN-2A MK III Trislander Series (all Serial Numbers)
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.