| A110*G | This airport has been surveyed by the national geodetic survey. |
| A110-1 | Birds and deer on and in vicinity of airport. |
| A110-2 | Airport located in noise sensitive area and populated areas to south and west should be avoided; see brainard tower ltrs to airmen. |
| A110-3 | Tgl and practice inst approach prohibited mon thru sat 2200-0600 and sunday 2200-0900. |
| A110-4 | Turf northeast/southwest runway closed during winter months from nov 2 to apr 30 except for SKI-EQUIPPED aircraft and helicopter training. |
| A110-5 | Twenty ft drop off departure end runway 20. |
| A110-6 | Be alert: hfd is located on west side of river. There is A closed airport 1 mile ene of hfd. |
| A24 | Landing fee for business/corporate and revenue producing aircraft. |
| A26 | Airport closed to air carrier operations |
| A34-02/20 | Grooving 130 ft wide. |
| A52-H1 | Hangar (26 ft high at 290 degrees west) 234 ft from heliport. |
| A57-02 | Approach ratio 20:1 to displaced threshold. |
| A57-20 | Approach ratio 8:1 to displaced threshold. |
| A57-29 | Approach ratio 20:1 to displaced threshold. |
| A58-20 | +27' berm 200' from runway end. |
| A81 | When air traffic control tower closed activate HIRL runway 02/20 and REIL runways 02 and 20 - CTAF. PAPI runway 02 and vasi runway 20 on 24 hours. |
