Honeywell has developed a required navigation performance-authorization required (RNP-AR) instrument approach for Runway 34 at Chicago Executive Airport (KPWK). There are no FAA IFR approaches for Runway 34, other than circling from Runway 16 and 30 when winds favor the north runway.
With a 3.2-degree glide path and decision altitude minima of 271 feet, the RNAV (RNP) or RNP-AR approach provides stable lateral and vertical guidance to Runway 34, according to Honeywell.
The approach is available only for qualified pilots with FAA letters of authorization or operations specifications, and aircraft must be certified for RNAV (RNP) to RNP 0.3 or RNP 0.1 lines of minima and radius-to-fix (RF) legs. “Operators of non-U.S.-registered aircraft should consult their regulatory guidance for RNAV (RNP) and special instrument approaches,” Honeywell explained. “Operators of U.S.-registered aircraft will need the following approvals: LOA/Ops Spec C384— Approval for RNAV (RNP) Approach Operations and LOA/Ops Spec C081—Approval for Special Instrument Flight Procedures.” Pilots must also undergo approved training for flying RNAV (RNP) approaches.
To help business jet operators who are new to RNP operations, Honeywell offers a consulting service to aid in obtaining approval. The company also developed an RNP-AR IFR approach for Aspen, and there are about 400 public RNAV (RNP) approaches.